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Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

hifive-unleashed-5.1
Ingo Molnar 2011-05-01 19:09:39 +02:00
parent 32673822e4 058e297d34
commit 809435ff4f
62 changed files with 640 additions and 291 deletions
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6
Documentation/sound/alsa/SB-Live-mixer.txt
View File

@ -87,14 +87,14 @@ accumulator. ALSA uses accumulators 0 and 1 for left and right PCM.
The result is forwarded to the ADC capture FIFO (thus to the standard capture
PCM device).
name='Music Playback Volume',index=0
name='Synth Playback Volume',index=0
This control is used to attenuate samples for left and right MIDI FX-bus
accumulators. ALSA uses accumulators 4 and 5 for left and right MIDI samples.
The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
name='Music Capture Volume',index=0
name='Music Capture Switch',index=0
name='Synth Capture Volume',index=0
name='Synth Capture Switch',index=0
These controls are used to attenuate samples for left and right MIDI FX-bus
accumulator. ALSA uses accumulators 4 and 5 for left and right PCM.

2
MAINTAINERS
View File

@ -5396,7 +5396,7 @@ F: drivers/media/video/*7146*
F: include/media/*7146*
SAMSUNG AUDIO (ASoC) DRIVERS
M: Jassi Brar <jassi.brar@samsung.com>
M: Jassi Brar <jassisinghbrar@gmail.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/samsung

5
arch/arm/mach-s3c2440/mach-gta02.c
View File

@ -409,6 +409,10 @@ struct platform_device s3c24xx_pwm_device = {
.num_resources = 0,
};
static struct platform_device gta02_dfbmcs320_device = {
.name = "dfbmcs320",
};
static struct i2c_board_info gta02_i2c_devs[] __initdata = {
{
I2C_BOARD_INFO("pcf50633", 0x73),
@ -523,6 +527,7 @@ static struct platform_device *gta02_devices[] __initdata = {
&s3c_device_iis,
&samsung_asoc_dma,
&s3c_device_i2c0,
&gta02_dfbmcs320_device,
&gta02_buttons_device,
&s3c_device_adc,
&s3c_device_ts,

19
arch/arm/mach-ux500/board-mop500.c
View File

@ -178,16 +178,15 @@ static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
.irq = NOMADIK_GPIO_TO_IRQ(217),
.platform_data = &mop500_tc35892_data,
},
};
/* I2C0 devices only available prior to HREFv60 */
static struct i2c_board_info __initdata mop500_i2c0_old_devices[] = {
/* I2C0 devices only available prior to HREFv60 */
{
I2C_BOARD_INFO("tps61052", 0x33),
.platform_data = &mop500_tps61052_data,
},
};
#define NUM_PRE_V60_I2C0_DEVICES 1
static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
{
/* lp5521 LED driver, 1st device */
@ -425,6 +424,8 @@ static void __init mop500_uart_init(void)
static void __init mop500_init_machine(void)
{
int i2c0_devs;
/*
* The HREFv60 board removed a GPIO expander and routed
* all these GPIO pins to the internal GPIO controller
@ -448,11 +449,11 @@ static void __init mop500_init_machine(void)
platform_device_register(&ab8500_device);
i2c_register_board_info(0, mop500_i2c0_devices,
ARRAY_SIZE(mop500_i2c0_devices));
if (!machine_is_hrefv60())
i2c_register_board_info(0, mop500_i2c0_old_devices,
ARRAY_SIZE(mop500_i2c0_old_devices));
i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
if (machine_is_hrefv60())
i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
i2c_register_board_info(2, mop500_i2c2_devices,
ARRAY_SIZE(mop500_i2c2_devices));
}

5
arch/x86/kernel/apm_32.c
View File

@ -228,6 +228,7 @@
#include <linux/kthread.h>
#include <linux/jiffies.h>
#include <linux/acpi.h>
#include <linux/syscore_ops.h>
#include <asm/system.h>
#include <asm/uaccess.h>
@ -1238,6 +1239,7 @@ static int suspend(int vetoable)
local_irq_disable();
sysdev_suspend(PMSG_SUSPEND);
syscore_suspend();
local_irq_enable();
@ -1255,6 +1257,7 @@ static int suspend(int vetoable)
apm_error("suspend", err);
err = (err == APM_SUCCESS) ? 0 : -EIO;
syscore_resume();
sysdev_resume();
local_irq_enable();
@ -1280,6 +1283,7 @@ static void standby(void)
local_irq_disable();
sysdev_suspend(PMSG_SUSPEND);
syscore_suspend();
local_irq_enable();
err = set_system_power_state(APM_STATE_STANDBY);
@ -1287,6 +1291,7 @@ static void standby(void)
apm_error("standby", err);
local_irq_disable();
syscore_resume();
sysdev_resume();
local_irq_enable();

22
arch/x86/kernel/cpu/perf_event.c
View File

@ -593,8 +593,12 @@ static int x86_setup_perfctr(struct perf_event *event)
return -EOPNOTSUPP;
}
/*
* Do not allow config1 (extended registers) to propagate,
* there's no sane user-space generalization yet:
*/
if (attr->type == PERF_TYPE_RAW)
return x86_pmu_extra_regs(event->attr.config, event);
return 0;
if (attr->type == PERF_TYPE_HW_CACHE)
return set_ext_hw_attr(hwc, event);
@ -616,8 +620,8 @@ static int x86_setup_perfctr(struct perf_event *event)
/*
* Branch tracing:
*/
if ((attr->config == PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
(hwc->sample_period == 1)) {
if (attr->config == PERF_COUNT_HW_BRANCH_INSTRUCTIONS &&
!attr->freq && hwc->sample_period == 1) {
/* BTS is not supported by this architecture. */
if (!x86_pmu.bts_active)
return -EOPNOTSUPP;
@ -1291,6 +1295,16 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
cpuc = &__get_cpu_var(cpu_hw_events);
/*
* Some chipsets need to unmask the LVTPC in a particular spot
* inside the nmi handler. As a result, the unmasking was pushed
* into all the nmi handlers.
*
* This generic handler doesn't seem to have any issues where the
* unmasking occurs so it was left at the top.
*/
apic_write(APIC_LVTPC, APIC_DM_NMI);
for (idx = 0; idx < x86_pmu.num_counters; idx++) {
if (!test_bit(idx, cpuc->active_mask)) {
/*
@ -1377,8 +1391,6 @@ perf_event_nmi_handler(struct notifier_block *self,
return NOTIFY_DONE;
}
apic_write(APIC_LVTPC, APIC_DM_NMI);
handled = x86_pmu.handle_irq(args->regs);
if (!handled)
return NOTIFY_DONE;

38
arch/x86/kernel/cpu/perf_event_intel.c
View File

@ -25,7 +25,7 @@ struct intel_percore {
/*
* Intel PerfMon, used on Core and later.
*/
static const u64 intel_perfmon_event_map[] =
static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
{
[PERF_COUNT_HW_CPU_CYCLES] = 0x003c,
[PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
@ -391,12 +391,12 @@ static __initconst const u64 nehalem_hw_cache_event_ids
{
[ C(L1D) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */
[ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */
[ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
[ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */
[ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */
[ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
[ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */
@ -933,6 +933,16 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
cpuc = &__get_cpu_var(cpu_hw_events);
/*
* Some chipsets need to unmask the LVTPC in a particular spot
* inside the nmi handler. As a result, the unmasking was pushed
* into all the nmi handlers.
*
* This handler doesn't seem to have any issues with the unmasking
* so it was left at the top.
*/
apic_write(APIC_LVTPC, APIC_DM_NMI);
intel_pmu_disable_all();
handled = intel_pmu_drain_bts_buffer();
status = intel_pmu_get_status();
@ -998,6 +1008,9 @@ intel_bts_constraints(struct perf_event *event)
struct hw_perf_event *hwc = &event->hw;
unsigned int hw_event, bts_event;
if (event->attr.freq)
return NULL;
hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
@ -1305,7 +1318,7 @@ static void intel_clovertown_quirks(void)
* AJ106 could possibly be worked around by not allowing LBR
* usage from PEBS, including the fixup.
* AJ68 could possibly be worked around by always programming
* a pebs_event_reset[0] value and coping with the lost events.
* a pebs_event_reset[0] value and coping with the lost events.
*
* But taken together it might just make sense to not enable PEBS on
* these chips.
@ -1409,6 +1422,18 @@ static __init int intel_pmu_init(void)
x86_pmu.percore_constraints = intel_nehalem_percore_constraints;
x86_pmu.enable_all = intel_pmu_nhm_enable_all;
x86_pmu.extra_regs = intel_nehalem_extra_regs;
if (ebx & 0x40) {
/*
* Erratum AAJ80 detected, we work it around by using
* the BR_MISP_EXEC.ANY event. This will over-count
* branch-misses, but it's still much better than the
* architectural event which is often completely bogus:
*/
intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89;
pr_cont("erratum AAJ80 worked around, ");
}
pr_cont("Nehalem events, ");
break;
@ -1425,6 +1450,7 @@ static __init int intel_pmu_init(void)
case 37: /* 32 nm nehalem, "Clarkdale" */
case 44: /* 32 nm nehalem, "Gulftown" */
case 47: /* 32 nm Xeon E7 */
memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,

19
arch/x86/kernel/cpu/perf_event_p4.c
View File

@ -946,14 +946,23 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
if (!x86_perf_event_set_period(event))
continue;
if (perf_event_overflow(event, 1, &data, regs))
p4_pmu_disable_event(event);
x86_pmu_stop(event, 0);
}
if (handled) {
/* p4 quirk: unmask it again */
apic_write(APIC_LVTPC, apic_read(APIC_LVTPC) & ~APIC_LVT_MASKED);
if (handled)
inc_irq_stat(apic_perf_irqs);
}
/*
* When dealing with the unmasking of the LVTPC on P4 perf hw, it has
* been observed that the OVF bit flag has to be cleared first _before_
* the LVTPC can be unmasked.
*
* The reason is the NMI line will continue to be asserted while the OVF
* bit is set. This causes a second NMI to generate if the LVTPC is
* unmasked before the OVF bit is cleared, leading to unknown NMI
* messages.
*/
apic_write(APIC_LVTPC, APIC_DM_NMI);
return handled;
}

18
arch/xtensa/kernel/irq.c
View File

@ -64,47 +64,41 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
int arch_show_interrupts(struct seq_file *p, int prec)
{
int j;
seq_printf(p, "%*s: ", prec, "NMI");
for_each_online_cpu(j)
seq_printf(p, "%10u ", nmi_count(j));
seq_putc(p, '\n');
seq_printf(p, "%*s: ", prec, "ERR");
seq_printf(p, "%10u\n", atomic_read(&irq_err_count));
return 0;
}
static void xtensa_irq_mask(struct irq_chip *d)
static void xtensa_irq_mask(struct irq_data *d)
{
cached_irq_mask &= ~(1 << d->irq);
set_sr (cached_irq_mask, INTENABLE);
}
static void xtensa_irq_unmask(struct irq_chip *d)
static void xtensa_irq_unmask(struct irq_data *d)
{
cached_irq_mask |= 1 << d->irq;
set_sr (cached_irq_mask, INTENABLE);
}
static void xtensa_irq_enable(struct irq_chip *d)
static void xtensa_irq_enable(struct irq_data *d)
{
variant_irq_enable(d->irq);
xtensa_irq_unmask(d->irq);
}
static void xtensa_irq_disable(struct irq_chip *d)
static void xtensa_irq_disable(struct irq_data *d)
{
xtensa_irq_mask(d->irq);
variant_irq_disable(d->irq);
}
static void xtensa_irq_ack(struct irq_chip *d)
static void xtensa_irq_ack(struct irq_data *d)
{
set_sr(1 << d->irq, INTCLEAR);
}
static int xtensa_irq_retrigger(struct irq_chip *d)
static int xtensa_irq_retrigger(struct irq_data *d)
{
set_sr (1 << d->irq, INTSET);
return 1;

8
drivers/ata/ahci.c
View File

@ -150,7 +150,7 @@ static const struct ata_port_info ahci_port_info[] = {
{
AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
AHCI_HFLAG_YES_NCQ),
.flags = AHCI_FLAG_COMMON,
.flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
@ -261,6 +261,12 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
{ PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
{ PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
{ PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
{ PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,

4
drivers/ata/ahci.h
View File

@ -229,6 +229,10 @@ enum {
EM_CTL_ALHD = (1 << 26), /* Activity LED */
EM_CTL_XMT = (1 << 25), /* Transmit Only */
EM_CTL_SMB = (1 << 24), /* Single Message Buffer */
EM_CTL_SGPIO = (1 << 19), /* SGPIO messages supported */
EM_CTL_SES = (1 << 18), /* SES-2 messages supported */
EM_CTL_SAFTE = (1 << 17), /* SAF-TE messages supported */
EM_CTL_LED = (1 << 16), /* LED messages supported */
/* em message type */
EM_MSG_TYPE_LED = (1 << 0), /* LED */

8
drivers/ata/ata_piix.c
View File

@ -309,6 +309,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
{ 0x8086, 0x1d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (PBG) */
{ 0x8086, 0x1d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (Panther Point) */
{ 0x8086, 0x1e00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (Panther Point) */
{ 0x8086, 0x1e01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata },
/* SATA Controller IDE (Panther Point) */
{ 0x8086, 0x1e08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (Panther Point) */
{ 0x8086, 0x1e09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};

60
drivers/ata/libahci.c
View File

@ -109,6 +109,8 @@ static ssize_t ahci_read_em_buffer(struct device *dev,
static ssize_t ahci_store_em_buffer(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size);
static ssize_t ahci_show_em_supported(struct device *dev,
struct device_attribute *attr, char *buf);
static DEVICE_ATTR(ahci_host_caps, S_IRUGO, ahci_show_host_caps, NULL);
static DEVICE_ATTR(ahci_host_cap2, S_IRUGO, ahci_show_host_cap2, NULL);
@ -116,6 +118,7 @@ static DEVICE_ATTR(ahci_host_version, S_IRUGO, ahci_show_host_version, NULL);
static DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
static DEVICE_ATTR(em_buffer, S_IWUSR | S_IRUGO,
ahci_read_em_buffer, ahci_store_em_buffer);
static DEVICE_ATTR(em_message_supported, S_IRUGO, ahci_show_em_supported, NULL);
struct device_attribute *ahci_shost_attrs[] = {
&dev_attr_link_power_management_policy,
@ -126,6 +129,7 @@ struct device_attribute *ahci_shost_attrs[] = {
&dev_attr_ahci_host_version,
&dev_attr_ahci_port_cmd,
&dev_attr_em_buffer,
&dev_attr_em_message_supported,
NULL
};
EXPORT_SYMBOL_GPL(ahci_shost_attrs);
@ -343,6 +347,24 @@ static ssize_t ahci_store_em_buffer(struct device *dev,
return size;
}
static ssize_t ahci_show_em_supported(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
struct ata_port *ap = ata_shost_to_port(shost);
struct ahci_host_priv *hpriv = ap->host->private_data;
void __iomem *mmio = hpriv->mmio;
u32 em_ctl;
em_ctl = readl(mmio + HOST_EM_CTL);
return sprintf(buf, "%s%s%s%s\n",
em_ctl & EM_CTL_LED ? "led " : "",
em_ctl & EM_CTL_SAFTE ? "saf-te " : "",
em_ctl & EM_CTL_SES ? "ses-2 " : "",
em_ctl & EM_CTL_SGPIO ? "sgpio " : "");
}
/**
* ahci_save_initial_config - Save and fixup initial config values
* @dev: target AHCI device
@ -539,6 +561,27 @@ void ahci_start_engine(struct ata_port *ap)
{
void __iomem *port_mmio = ahci_port_base(ap);
u32 tmp;
u8 status;
status = readl(port_mmio + PORT_TFDATA) & 0xFF;
/*
* At end of section 10.1 of AHCI spec (rev 1.3), it states
* Software shall not set PxCMD.ST to 1 until it is determined
* that a functoinal device is present on the port as determined by
* PxTFD.STS.BSY=0, PxTFD.STS.DRQ=0 and PxSSTS.DET=3h
*
* Even though most AHCI host controllers work without this check,
* specific controller will fail under this condition
*/
if (status & (ATA_BUSY | ATA_DRQ))
return;
else {
ahci_scr_read(&ap->link, SCR_STATUS, &tmp);
if ((tmp & 0xf) != 0x3)
return;
}
/* start DMA */
tmp = readl(port_mmio + PORT_CMD);
@ -1897,7 +1940,17 @@ static void ahci_pmp_attach(struct ata_port *ap)
ahci_enable_fbs(ap);
pp->intr_mask |= PORT_IRQ_BAD_PMP;
writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
/*
* We must not change the port interrupt mask register if the
* port is marked frozen, the value in pp->intr_mask will be
* restored later when the port is thawed.
*
* Note that during initialization, the port is marked as
* frozen since the irq handler is not yet registered.
*/
if (!(ap->pflags & ATA_PFLAG_FROZEN))
writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
}
static void ahci_pmp_detach(struct ata_port *ap)
@ -1913,7 +1966,10 @@ static void ahci_pmp_detach(struct ata_port *ap)
writel(cmd, port_mmio + PORT_CMD);
pp->intr_mask &= ~PORT_IRQ_BAD_PMP;
writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
/* see comment above in ahci_pmp_attach() */
if (!(ap->pflags & ATA_PFLAG_FROZEN))
writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
}
int ahci_port_resume(struct ata_port *ap)

3
drivers/ata/libata-core.c
View File

@ -4139,6 +4139,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
*/
{ "PIONEER DVD-RW DVRTD08", "1.00", ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-212D", "1.28", ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", "1.08", ATA_HORKAGE_NOSETXFER },
/* End Marker */
{ }
@ -5480,7 +5481,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
if (!ap)
return NULL;
ap->pflags |= ATA_PFLAG_INITIALIZING;
ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN;
ap->lock = &host->lock;
ap->print_id = -1;
ap->host = host;

6
drivers/ata/libata-eh.c
View File

@ -3316,6 +3316,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
struct ata_eh_context *ehc = &link->eh_context;
struct ata_device *dev, *link_dev = NULL, *lpm_dev = NULL;
enum ata_lpm_policy old_policy = link->lpm_policy;
bool no_dipm = ap->flags & ATA_FLAG_NO_DIPM;
unsigned int hints = ATA_LPM_EMPTY | ATA_LPM_HIPM;
unsigned int err_mask;
int rc;
@ -3332,7 +3333,7 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
*/
ata_for_each_dev(dev, link, ENABLED) {
bool hipm = ata_id_has_hipm(dev->id);
bool dipm = ata_id_has_dipm(dev->id);
bool dipm = ata_id_has_dipm(dev->id) && !no_dipm;
/* find the first enabled and LPM enabled devices */
if (!link_dev)
@ -3389,7 +3390,8 @@ static int ata_eh_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
/* host config updated, enable DIPM if transitioning to MIN_POWER */
ata_for_each_dev(dev, link, ENABLED) {
if (policy == ATA_LPM_MIN_POWER && ata_id_has_dipm(dev->id)) {
if (policy == ATA_LPM_MIN_POWER && !no_dipm &&
ata_id_has_dipm(dev->id)) {
err_mask = ata_dev_set_feature(dev,
SETFEATURES_SATA_ENABLE, SATA_DIPM);
if (err_mask && err_mask != AC_ERR_DEV) {

22
drivers/ata/pata_at91.c
View File

@ -33,11 +33,12 @@
#define DRV_NAME "pata_at91"
#define DRV_VERSION "0.1"
#define DRV_VERSION "0.2"
#define CF_IDE_OFFSET 0x00c00000
#define CF_ALT_IDE_OFFSET 0x00e00000
#define CF_IDE_RES_SIZE 0x08
#define NCS_RD_PULSE_LIMIT 0x3f /* maximal value for pulse bitfields */
struct at91_ide_info {
unsigned long mode;
@ -49,8 +50,18 @@ struct at91_ide_info {
void __iomem *alt_addr;
};
static const struct ata_timing initial_timing =
{XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0};
static const struct ata_timing initial_timing = {
.mode = XFER_PIO_0,
.setup = 70,
.act8b = 290,
.rec8b = 240,
.cyc8b = 600,
.active = 165,
.recover = 150,
.dmack_hold = 0,
.cycle = 600,
.udma = 0
};
static unsigned long calc_mck_cycles(unsigned long ns, unsigned long mck_hz)
{
@ -109,6 +120,11 @@ static void set_smc_timing(struct device *dev,
/* (CS0, CS1, DIR, OE) <= (CFCE1, CFCE2, CFRNW, NCSX) timings */
ncs_read_setup = 1;
ncs_read_pulse = read_cycle - 2;
if (ncs_read_pulse > NCS_RD_PULSE_LIMIT) {
ncs_read_pulse = NCS_RD_PULSE_LIMIT;
dev_warn(dev, "ncs_read_pulse limited to maximal value %lu\n",
ncs_read_pulse);
}
/* Write timings same as read timings */
write_cycle = read_cycle;

2
drivers/base/syscore.c
View File

@ -73,6 +73,7 @@ int syscore_suspend(void)
return ret;
}
EXPORT_SYMBOL_GPL(syscore_suspend);
/**
* syscore_resume - Execute all the registered system core resume callbacks.
@ -95,6 +96,7 @@ void syscore_resume(void)
"Interrupts enabled after %pF\n", ops->resume);
}
}
EXPORT_SYMBOL_GPL(syscore_resume);
#endif /* CONFIG_PM_SLEEP */
/**

8
drivers/parport/parport_pc.c
View File

@ -2550,7 +2550,6 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
const struct parport_pc_via_data *via)
{
short inta_addr[6] = { 0x2A0, 0x2C0, 0x220, 0x240, 0x1E0 };
struct resource *base_res;
u32 ite8872set;
u32 ite8872_lpt, ite8872_lpthi;
u8 ite8872_irq, type;
@ -2561,8 +2560,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
/* make sure which one chip */
for (i = 0; i < 5; i++) {
base_res = request_region(inta_addr[i], 32, "it887x");
if (base_res) {
if (request_region(inta_addr[i], 32, "it887x")) {
int test;
pci_write_config_dword(pdev, 0x60,
0xe5000000 | inta_addr[i]);
@ -2571,7 +2569,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
test = inb(inta_addr[i]);
if (test != 0xff)
break;
release_region(inta_addr[i], 0x8);
release_region(inta_addr[i], 32);
}
}
if (i >= 5) {
@ -2635,7 +2633,7 @@ static int __devinit sio_ite_8872_probe(struct pci_dev *pdev, int autoirq,
/*
* Release the resource so that parport_pc_probe_port can get it.
*/
release_resource(base_res);
release_region(inta_addr[i], 32);
if (parport_pc_probe_port(ite8872_lpt, ite8872_lpthi,
irq, PARPORT_DMA_NONE, &pdev->dev, 0)) {
printk(KERN_INFO

4
drivers/rtc/rtc-coh901331.c
View File

@ -220,6 +220,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
}
clk_disable(rtap->clk);
platform_set_drvdata(pdev, rtap);
rtap->rtc = rtc_device_register("coh901331", &pdev->dev, &coh901331_ops,
THIS_MODULE);
if (IS_ERR(rtap->rtc)) {
@ -227,11 +228,10 @@ static int __init coh901331_probe(struct platform_device *pdev)
goto out_no_rtc;
}
platform_set_drvdata(pdev, rtap);
return 0;
out_no_rtc:
platform_set_drvdata(pdev, NULL);
out_no_clk_enable:
clk_put(rtap->clk);
out_no_clk:

8
drivers/tty/n_gsm.c
View File

@ -1658,8 +1658,12 @@ static void gsm_queue(struct gsm_mux *gsm)
if ((gsm->control & ~PF) == UI)
gsm->fcs = gsm_fcs_add_block(gsm->fcs, gsm->buf, gsm->len);
/* generate final CRC with received FCS */
gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
if (gsm->encoding == 0){
/* WARNING: gsm->received_fcs is used for gsm->encoding = 0 only.
In this case it contain the last piece of data
required to generate final CRC */
gsm->fcs = gsm_fcs_add(gsm->fcs, gsm->received_fcs);
}
if (gsm->fcs != GOOD_FCS) {
gsm->bad_fcs++;
if (debug & 4)

3
drivers/tty/serial/imx.c
View File

@ -382,12 +382,13 @@ static void imx_start_tx(struct uart_port *port)
static irqreturn_t imx_rtsint(int irq, void *dev_id)
{
struct imx_port *sport = dev_id;
unsigned int val = readl(sport->port.membase + USR1) & USR1_RTSS;
unsigned int val;
unsigned long flags;
spin_lock_irqsave(&sport->port.lock, flags);
writel(USR1_RTSD, sport->port.membase + USR1);
val = readl(sport->port.membase + USR1) & USR1_RTSS;
uart_handle_cts_change(&sport->port, !!val);
wake_up_interruptible(&sport->port.state->port.delta_msr_wait);

9
drivers/xen/manage.c
View File

@ -8,6 +8,7 @@
#include <linux/sysrq.h>
#include <linux/stop_machine.h>
#include <linux/freezer.h>
#include <linux/syscore_ops.h>
#include <xen/xen.h>
#include <xen/xenbus.h>
@ -70,8 +71,13 @@ static int xen_suspend(void *data)
BUG_ON(!irqs_disabled());
err = sysdev_suspend(PMSG_FREEZE);
if (!err) {
err = syscore_suspend();
if (err)
sysdev_resume();
}
if (err) {
printk(KERN_ERR "xen_suspend: sysdev_suspend failed: %d\n",
printk(KERN_ERR "xen_suspend: system core suspend failed: %d\n",
err);
return err;
}
@ -95,6 +101,7 @@ static int xen_suspend(void *data)
xen_timer_resume();
}
syscore_resume();
sysdev_resume();
return 0;

87
fs/dcache.c
View File

@ -99,12 +99,9 @@ static struct kmem_cache *dentry_cache __read_mostly;
static unsigned int d_hash_mask __read_mostly;
static unsigned int d_hash_shift __read_mostly;
struct dcache_hash_bucket {
struct hlist_bl_head head;
};
static struct dcache_hash_bucket *dentry_hashtable __read_mostly;
static struct hlist_bl_head *dentry_hashtable __read_mostly;
static inline struct dcache_hash_bucket *d_hash(struct dentry *parent,
static inline struct hlist_bl_head *d_hash(struct dentry *parent,
unsigned long hash)
{
hash += ((unsigned long) parent ^ GOLDEN_RATIO_PRIME) / L1_CACHE_BYTES;
@ -112,16 +109,6 @@ static inline struct dcache_hash_bucket *d_hash(struct dentry *parent,
return dentry_hashtable + (hash & D_HASHMASK);
}
static inline void spin_lock_bucket(struct dcache_hash_bucket *b)
{
bit_spin_lock(0, (unsigned long *)&b->head.first);
}
static inline void spin_unlock_bucket(struct dcache_hash_bucket *b)
{
__bit_spin_unlock(0, (unsigned long *)&b->head.first);
}
/* Statistics gathering. */
struct dentry_stat_t dentry_stat = {
.age_limit = 45,
@ -167,8 +154,8 @@ static void d_free(struct dentry *dentry)
if (dentry->d_op && dentry->d_op->d_release)
dentry->d_op->d_release(dentry);
/* if dentry was never inserted into hash, immediate free is OK */
if (hlist_bl_unhashed(&dentry->d_hash))
/* if dentry was never visible to RCU, immediate free is OK */
if (!(dentry->d_flags & DCACHE_RCUACCESS))
__d_free(&dentry->d_u.d_rcu);
else
call_rcu(&dentry->d_u.d_rcu, __d_free);
@ -330,28 +317,19 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
*/
void __d_drop(struct dentry *dentry)
{
if (!(dentry->d_flags & DCACHE_UNHASHED)) {
if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED)) {
bit_spin_lock(0,
(unsigned long *)&dentry->d_sb->s_anon.first);
dentry->d_flags |= DCACHE_UNHASHED;
hlist_bl_del_init(&dentry->d_hash);
__bit_spin_unlock(0,
(unsigned long *)&dentry->d_sb->s_anon.first);
} else {
struct dcache_hash_bucket *b;
if (!d_unhashed(dentry)) {
struct hlist_bl_head *b;
if (unlikely(dentry->d_flags & DCACHE_DISCONNECTED))
b = &dentry->d_sb->s_anon;
else
b = d_hash(dentry->d_parent, dentry->d_name.hash);
spin_lock_bucket(b);
/*
* We may not actually need to put DCACHE_UNHASHED
* manipulations under the hash lock, but follow
* the principle of least surprise.
*/
dentry->d_flags |= DCACHE_UNHASHED;
hlist_bl_del_rcu(&dentry->d_hash);
spin_unlock_bucket(b);
dentry_rcuwalk_barrier(dentry);
}
hlist_bl_lock(b);
__hlist_bl_del(&dentry->d_hash);
dentry->d_hash.pprev = NULL;
hlist_bl_unlock(b);
dentry_rcuwalk_barrier(dentry);
}
}
EXPORT_SYMBOL(__d_drop);
@ -1304,7 +1282,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
dname[name->len] = 0;
dentry->d_count = 1;
dentry->d_flags = DCACHE_UNHASHED;
dentry->d_flags = 0;
spin_lock_init(&dentry->d_lock);
seqcount_init(&dentry->d_seq);
dentry->d_inode = NULL;
@ -1606,10 +1584,9 @@ struct dentry *d_obtain_alias(struct inode *inode)
tmp->d_inode = inode;
tmp->d_flags |= DCACHE_DISCONNECTED;
list_add(&tmp->d_alias, &inode->i_dentry);
bit_spin_lock(0, (unsigned long *)&tmp->d_sb->s_anon.first);
tmp->d_flags &= ~DCACHE_UNHASHED;
hlist_bl_lock(&tmp->d_sb->s_anon);
hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon);
__bit_spin_unlock(0, (unsigned long *)&tmp->d_sb->s_anon.first);
hlist_bl_unlock(&tmp->d_sb->s_anon);
spin_unlock(&tmp->d_lock);
spin_unlock(&inode->i_lock);
security_d_instantiate(tmp, inode);
@ -1789,7 +1766,7 @@ struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
unsigned int len = name->len;
unsigned int hash = name->hash;
const unsigned char *str = name->name;
struct dcache_hash_bucket *b = d_hash(parent, hash);
struct hlist_bl_head *b = d_hash(parent, hash);
struct hlist_bl_node *node;
struct dentry *dentry;
@ -1813,7 +1790,7 @@ struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
*
* See Documentation/filesystems/path-lookup.txt for more details.
*/
hlist_bl_for_each_entry_rcu(dentry, node, &b->head, d_hash) {
hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
struct inode *i;
const char *tname;
int tlen;
@ -1908,7 +1885,7 @@ struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
unsigned int len = name->len;
unsigned int hash = name->hash;
const unsigned char *str = name->name;
struct dcache_hash_bucket *b = d_hash(parent, hash);
struct hlist_bl_head *b = d_hash(parent, hash);
struct hlist_bl_node *node;
struct dentry *found = NULL;
struct dentry *dentry;
@ -1935,7 +1912,7 @@ struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
*/
rcu_read_lock();
hlist_bl_for_each_entry_rcu(dentry, node, &b->head, d_hash) {
hlist_bl_for_each_entry_rcu(dentry, node, b, d_hash) {
const char *tname;
int tlen;
@ -2086,13 +2063,13 @@ again:
}
EXPORT_SYMBOL(d_delete);
static void __d_rehash(struct dentry * entry, struct dcache_hash_bucket *b)
static void __d_rehash(struct dentry * entry, struct hlist_bl_head *b)
{
BUG_ON(!d_unhashed(entry));
spin_lock_bucket(b);
entry->d_flags &= ~DCACHE_UNHASHED;
hlist_bl_add_head_rcu(&entry->d_hash, &b->head);
spin_unlock_bucket(b);
hlist_bl_lock(b);
entry->d_flags |= DCACHE_RCUACCESS;
hlist_bl_add_head_rcu(&entry->d_hash, b);
hlist_bl_unlock(b);
}
static void _d_rehash(struct dentry * entry)
@ -3025,7 +3002,7 @@ static void __init dcache_init_early(void)
dentry_hashtable =
alloc_large_system_hash("Dentry cache",
sizeof(struct dcache_hash_bucket),
sizeof(struct hlist_bl_head),
dhash_entries,
13,
HASH_EARLY,
@ -3034,7 +3011,7 @@ static void __init dcache_init_early(void)
0);
for (loop = 0; loop < (1 << d_hash_shift); loop++)
INIT_HLIST_BL_HEAD(&dentry_hashtable[loop].head);
INIT_HLIST_BL_HEAD(dentry_hashtable + loop);
}
static void __init dcache_init(void)
@ -3057,7 +3034,7 @@ static void __init dcache_init(void)
dentry_hashtable =
alloc_large_system_hash("Dentry cache",
sizeof(struct dcache_hash_bucket),
sizeof(struct hlist_bl_head),
dhash_entries,
13,
0,
@ -3066,7 +3043,7 @@ static void __init dcache_init(void)
0);
for (loop = 0; loop < (1 << d_hash_shift); loop++)
INIT_HLIST_BL_HEAD(&dentry_hashtable[loop].head);
INIT_HLIST_BL_HEAD(dentry_hashtable + loop);
}
/* SLAB cache for __getname() consumers */

21
fs/ecryptfs/crypto.c
View File

@ -1452,6 +1452,25 @@ static void set_default_header_data(struct ecryptfs_crypt_stat *crypt_stat)
crypt_stat->metadata_size = ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
}
void ecryptfs_i_size_init(const char *page_virt, struct inode *inode)
{
struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
struct ecryptfs_crypt_stat *crypt_stat;
u64 file_size;
crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
mount_crypt_stat =
&ecryptfs_superblock_to_private(inode->i_sb)->mount_crypt_stat;
if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) {
file_size = i_size_read(ecryptfs_inode_to_lower(inode));
if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
file_size += crypt_stat->metadata_size;
} else
file_size = get_unaligned_be64(page_virt);
i_size_write(inode, (loff_t)file_size);
crypt_stat->flags |= ECRYPTFS_I_SIZE_INITIALIZED;
}
/**
* ecryptfs_read_headers_virt
* @page_virt: The virtual address into which to read the headers
@ -1482,6 +1501,8 @@ static int ecryptfs_read_headers_virt(char *page_virt,
rc = -EINVAL;
goto out;
}
if (!(crypt_stat->flags & ECRYPTFS_I_SIZE_INITIALIZED))
ecryptfs_i_size_init(page_virt, ecryptfs_dentry->d_inode);
offset += MAGIC_ECRYPTFS_MARKER_SIZE_BYTES;
rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),
&bytes_read);

7
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -269,6 +269,7 @@ struct ecryptfs_crypt_stat {
#define ECRYPTFS_ENCFN_USE_MOUNT_FNEK 0x00000800
#define ECRYPTFS_ENCFN_USE_FEK 0x00001000
#define ECRYPTFS_UNLINK_SIGS 0x00002000
#define ECRYPTFS_I_SIZE_INITIALIZED 0x00004000
u32 flags;
unsigned int file_version;
size_t iv_bytes;
@ -295,6 +296,8 @@ struct ecryptfs_crypt_stat {
struct ecryptfs_inode_info {
struct inode vfs_inode;
struct inode *wii_inode;
struct mutex lower_file_mutex;
atomic_t lower_file_count;
struct file *lower_file;
struct ecryptfs_crypt_stat crypt_stat;
};
@ -626,6 +629,7 @@ struct ecryptfs_open_req {
int ecryptfs_interpose(struct dentry *hidden_dentry,
struct dentry *this_dentry, struct super_block *sb,
u32 flags);
void ecryptfs_i_size_init(const char *page_virt, struct inode *inode);
int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
struct dentry *lower_dentry,
struct inode *ecryptfs_dir_inode);
@ -757,7 +761,8 @@ int ecryptfs_privileged_open(struct file **lower_file,
struct dentry *lower_dentry,
struct vfsmount *lower_mnt,
const struct cred *cred);
int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry);
int ecryptfs_get_lower_file(struct dentry *ecryptfs_dentry);
void ecryptfs_put_lower_file(struct inode *inode);
int
ecryptfs_write_tag_70_packet(char *dest, size_t *remaining_bytes,
size_t *packet_size,

25
fs/ecryptfs/file.c
View File

@ -191,10 +191,10 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
| ECRYPTFS_ENCRYPTED);
}
mutex_unlock(&crypt_stat->cs_mutex);
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
rc = ecryptfs_get_lower_file(ecryptfs_dentry);
if (rc) {
printk(KERN_ERR "%s: Error attempting to initialize "
"the persistent file for the dentry with name "
"the lower file for the dentry with name "
"[%s]; rc = [%d]\n", __func__,
ecryptfs_dentry->d_name.name, rc);
goto out_free;
@ -202,9 +202,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_ACCMODE)
== O_RDONLY && (file->f_flags & O_ACCMODE) != O_RDONLY) {
rc = -EPERM;
printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
printk(KERN_WARNING "%s: Lower file is RO; eCryptfs "
"file must hence be opened RO\n", __func__);
goto out_free;
goto out_put;
}
ecryptfs_set_file_lower(
file, ecryptfs_inode_to_private(inode)->lower_file);
@ -232,10 +232,11 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
"Plaintext passthrough mode is not "
"enabled; returning -EIO\n");
mutex_unlock(&crypt_stat->cs_mutex);
goto out_free;
goto out_put;
}
rc = 0;
crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
| ECRYPTFS_ENCRYPTED);
mutex_unlock(&crypt_stat->cs_mutex);
goto out;
}
@ -245,6 +246,8 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
"[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino,
(unsigned long long)i_size_read(inode));
goto out;
out_put:
ecryptfs_put_lower_file(inode);
out_free:
kmem_cache_free(ecryptfs_file_info_cache,
ecryptfs_file_to_private(file));
@ -254,17 +257,13 @@ out:
static int ecryptfs_flush(struct file *file, fl_owner_t td)
{
int rc = 0;
struct file *lower_file = NULL;
lower_file = ecryptfs_file_to_lower(file);
if (lower_file->f_op && lower_file->f_op->flush)
rc = lower_file->f_op->flush(lower_file, td);
return rc;
return file->f_mode & FMODE_WRITE
? filemap_write_and_wait(file->f_mapping) : 0;
}
static int ecryptfs_release(struct inode *inode, struct file *file)
{
ecryptfs_put_lower_file(inode);
kmem_cache_free(ecryptfs_file_info_cache,
ecryptfs_file_to_private(file));
return 0;

60
fs/ecryptfs/inode.c
View File

@ -168,19 +168,18 @@ static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry)
"context; rc = [%d]\n", rc);
goto out;
}
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
rc = ecryptfs_get_lower_file(ecryptfs_dentry);
if (rc) {
printk(KERN_ERR "%s: Error attempting to initialize "
"the persistent file for the dentry with name "
"the lower file for the dentry with name "
"[%s]; rc = [%d]\n", __func__,
ecryptfs_dentry->d_name.name, rc);
goto out;
}
rc = ecryptfs_write_metadata(ecryptfs_dentry);
if (rc) {
if (rc)
printk(KERN_ERR "Error writing headers; rc = [%d]\n", rc);
goto out;
}
ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
out:
return rc;
}
@ -226,11 +225,9 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
struct dentry *lower_dir_dentry;
struct vfsmount *lower_mnt;
struct inode *lower_inode;
struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
struct ecryptfs_crypt_stat *crypt_stat;
char *page_virt = NULL;
u64 file_size;
int rc = 0;
int put_lower = 0, rc = 0;
lower_dir_dentry = lower_dentry->d_parent;
lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(
@ -277,14 +274,15 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
rc = -ENOMEM;
goto out;
}
rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
rc = ecryptfs_get_lower_file(ecryptfs_dentry);
if (rc) {
printk(KERN_ERR "%s: Error attempting to initialize "
"the persistent file for the dentry with name "
"the lower file for the dentry with name "
"[%s]; rc = [%d]\n", __func__,
ecryptfs_dentry->d_name.name, rc);
goto out_free_kmem;
}
put_lower = 1;
crypt_stat = &ecryptfs_inode_to_private(
ecryptfs_dentry->d_inode)->crypt_stat;
/* TODO: lock for crypt_stat comparison */
@ -302,18 +300,7 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
}
crypt_stat->flags |= ECRYPTFS_METADATA_IN_XATTR;
}
mount_crypt_stat = &ecryptfs_superblock_to_private(
ecryptfs_dentry->d_sb)->mount_crypt_stat;
if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) {
if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
file_size = (crypt_stat->metadata_size
+ i_size_read(lower_dentry->d_inode));
else
file_size = i_size_read(lower_dentry->d_inode);
} else {
file_size = get_unaligned_be64(page_virt);
}
i_size_write(ecryptfs_dentry->d_inode, (loff_t)file_size);
ecryptfs_i_size_init(page_virt, ecryptfs_dentry->d_inode);
out_free_kmem:
kmem_cache_free(ecryptfs_header_cache_2, page_virt);
goto out;
@ -322,6 +309,8 @@ out_put:
mntput(lower_mnt);
d_drop(ecryptfs_dentry);
out:
if (put_lower)
ecryptfs_put_lower_file(ecryptfs_dentry->d_inode);
return rc;
}
@ -538,8 +527,6 @@ static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry)
dget(lower_dentry);
rc = vfs_rmdir(lower_dir_dentry->d_inode, lower_dentry);
dput(lower_dentry);
if (!rc)
d_delete(lower_dentry);
fsstack_copy_attr_times(dir, lower_dir_dentry->d_inode);
dir->i_nlink = lower_dir_dentry->d_inode->i_nlink;
unlock_dir(lower_dir_dentry);
@ -610,8 +597,8 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
fsstack_copy_attr_all(old_dir, lower_old_dir_dentry->d_inode);
out_lock:
unlock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
dput(lower_new_dentry->d_parent);
dput(lower_old_dentry->d_parent);
dput(lower_new_dir_dentry);
dput(lower_old_dir_dentry);
dput(lower_new_dentry);
dput(lower_old_dentry);
return rc;
@ -759,8 +746,11 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
if (unlikely((ia->ia_size == i_size))) {
lower_ia->ia_valid &= ~ATTR_SIZE;
goto out;
return 0;
}
rc = ecryptfs_get_lower_file(dentry);
if (rc)
return rc;
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
/* Switch on growing or shrinking file */
if (ia->ia_size > i_size) {
@ -838,6 +828,7 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia,
lower_ia->ia_valid &= ~ATTR_SIZE;
}
out:
ecryptfs_put_lower_file(inode);
return rc;
}
@ -913,7 +904,13 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
mount_crypt_stat = &ecryptfs_superblock_to_private(
dentry->d_sb)->mount_crypt_stat;
rc = ecryptfs_get_lower_file(dentry);
if (rc) {
mutex_unlock(&crypt_stat->cs_mutex);
goto out;
}
rc = ecryptfs_read_metadata(dentry);
ecryptfs_put_lower_file(inode);
if (rc) {
if (!(mount_crypt_stat->flags
& ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) {
@ -927,10 +924,17 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
goto out;
}
rc = 0;
crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED
| ECRYPTFS_ENCRYPTED);
}
}
mutex_unlock(&crypt_stat->cs_mutex);
if (S_ISREG(inode->i_mode)) {
rc = filemap_write_and_wait(inode->i_mapping);
if (rc)
goto out;
fsstack_copy_attr_all(inode, lower_inode);
}
memcpy(&lower_ia, ia, sizeof(lower_ia));
if (ia->ia_valid & ATTR_FILE)
lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);

6
fs/ecryptfs/kthread.c
View File

@ -44,7 +44,7 @@ static struct task_struct *ecryptfs_kthread;
* @ignored: ignored
*
* The eCryptfs kernel thread that has the responsibility of getting
* the lower persistent file with RW permissions.
* the lower file with RW permissions.
*
* Returns zero on success; non-zero otherwise
*/
@ -141,8 +141,8 @@ int ecryptfs_privileged_open(struct file **lower_file,
int rc = 0;
/* Corresponding dput() and mntput() are done when the
* persistent file is fput() when the eCryptfs inode is
* destroyed. */
* lower file is fput() when all eCryptfs files for the inode are
* released. */
dget(lower_dentry);
mntget(lower_mnt);
flags |= IS_RDONLY(lower_dentry->d_inode) ? O_RDONLY : O_RDWR;

74
fs/ecryptfs/main.c
View File

@ -96,7 +96,7 @@ void __ecryptfs_printk(const char *fmt, ...)
}
/**
* ecryptfs_init_persistent_file
* ecryptfs_init_lower_file
* @ecryptfs_dentry: Fully initialized eCryptfs dentry object, with
* the lower dentry and the lower mount set
*
@ -104,42 +104,70 @@ void __ecryptfs_printk(const char *fmt, ...)
* inode. All I/O operations to the lower inode occur through that
* file. When the first eCryptfs dentry that interposes with the first
* lower dentry for that inode is created, this function creates the
* persistent file struct and associates it with the eCryptfs
* inode. When the eCryptfs inode is destroyed, the file is closed.
* lower file struct and associates it with the eCryptfs
* inode. When all eCryptfs files associated with the inode are released, the
* file is closed.
*
* The persistent file will be opened with read/write permissions, if
* The lower file will be opened with read/write permissions, if
* possible. Otherwise, it is opened read-only.
*
* This function does nothing if a lower persistent file is already
* This function does nothing if a lower file is already
* associated with the eCryptfs inode.
*
* Returns zero on success; non-zero otherwise
*/
int ecryptfs_init_persistent_file(struct dentry *ecryptfs_dentry)
static int ecryptfs_init_lower_file(struct dentry *dentry,
struct file **lower_file)
{
const struct cred *cred = current_cred();
struct ecryptfs_inode_info *inode_info =
ecryptfs_inode_to_private(ecryptfs_dentry->d_inode);
int rc = 0;
struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
struct vfsmount *lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
int rc;
if (!inode_info->lower_file) {
struct dentry *lower_dentry;
struct vfsmount *lower_mnt =
ecryptfs_dentry_to_lower_mnt(ecryptfs_dentry);
lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
rc = ecryptfs_privileged_open(&inode_info->lower_file,
lower_dentry, lower_mnt, cred);
if (rc) {
printk(KERN_ERR "Error opening lower persistent file "
"for lower_dentry [0x%p] and lower_mnt [0x%p]; "
"rc = [%d]\n", lower_dentry, lower_mnt, rc);
inode_info->lower_file = NULL;
}
rc = ecryptfs_privileged_open(lower_file, lower_dentry, lower_mnt,
cred);
if (rc) {
printk(KERN_ERR "Error opening lower file "
"for lower_dentry [0x%p] and lower_mnt [0x%p]; "
"rc = [%d]\n", lower_dentry, lower_mnt, rc);
(*lower_file) = NULL;
}
return rc;
}
int ecryptfs_get_lower_file(struct dentry *dentry)
{
struct ecryptfs_inode_info *inode_info =
ecryptfs_inode_to_private(dentry->d_inode);
int count, rc = 0;
mutex_lock(&inode_info->lower_file_mutex);
count = atomic_inc_return(&inode_info->lower_file_count);
if (WARN_ON_ONCE(count < 1))
rc = -EINVAL;
else if (count == 1) {
rc = ecryptfs_init_lower_file(dentry,
&inode_info->lower_file);
if (rc)
atomic_set(&inode_info->lower_file_count, 0);
}
mutex_unlock(&inode_info->lower_file_mutex);
return rc;
}
void ecryptfs_put_lower_file(struct inode *inode)
{
struct ecryptfs_inode_info *inode_info;
inode_info = ecryptfs_inode_to_private(inode);
if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count,
&inode_info->lower_file_mutex)) {
fput(inode_info->lower_file);
inode_info->lower_file = NULL;
mutex_unlock(&inode_info->lower_file_mutex);
}
}
static struct inode *ecryptfs_get_inode(struct inode *lower_inode,
struct super_block *sb)
{

16
fs/ecryptfs/super.c
View File

@ -55,6 +55,8 @@ static struct inode *ecryptfs_alloc_inode(struct super_block *sb)
if (unlikely(!inode_info))
goto out;
ecryptfs_init_crypt_stat(&inode_info->crypt_stat);
mutex_init(&inode_info->lower_file_mutex);
atomic_set(&inode_info->lower_file_count, 0);
inode_info->lower_file = NULL;
inode = &inode_info->vfs_inode;
out:
@ -77,8 +79,7 @@ static void ecryptfs_i_callback(struct rcu_head *head)
*
* This is used during the final destruction of the inode. All
* allocation of memory related to the inode, including allocated
* memory in the crypt_stat struct, will be released here. This
* function also fput()'s the persistent file for the lower inode.
* memory in the crypt_stat struct, will be released here.
* There should be no chance that this deallocation will be missed.
*/
static void ecryptfs_destroy_inode(struct inode *inode)
@ -86,16 +87,7 @@ static void ecryptfs_destroy_inode(struct inode *inode)
struct ecryptfs_inode_info *inode_info;
inode_info = ecryptfs_inode_to_private(inode);
if (inode_info->lower_file) {
struct dentry *lower_dentry =
inode_info->lower_file->f_dentry;
BUG_ON(!lower_dentry);
if (lower_dentry->d_inode) {
fput(inode_info->lower_file);
inode_info->lower_file = NULL;
}
}
BUG_ON(inode_info->lower_file);
ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat);
call_rcu(&inode->i_rcu, ecryptfs_i_callback);
}

6
fs/gfs2/glock.c
View File

@ -93,14 +93,12 @@ static unsigned int gl_hash(const struct gfs2_sbd *sdp,
static inline void spin_lock_bucket(unsigned int hash)
{
struct hlist_bl_head *bl = &gl_hash_table[hash];
bit_spin_lock(0, (unsigned long *)bl);
hlist_bl_lock(&gl_hash_table[hash]);
}
static inline void spin_unlock_bucket(unsigned int hash)
{
struct hlist_bl_head *bl = &gl_hash_table[hash];
__bit_spin_unlock(0, (unsigned long *)bl);
hlist_bl_unlock(&gl_hash_table[hash]);
}
static void gfs2_glock_dealloc(struct rcu_head *rcu)

26
fs/ubifs/recovery.c
View File

@ -317,6 +317,32 @@ int ubifs_recover_master_node(struct ubifs_info *c)
goto out_free;
}
memcpy(c->rcvrd_mst_node, c->mst_node, UBIFS_MST_NODE_SZ);
/*
* We had to recover the master node, which means there was an
* unclean reboot. However, it is possible that the master node
* is clean at this point, i.e., %UBIFS_MST_DIRTY is not set.
* E.g., consider the following chain of events:
*
* 1. UBIFS was cleanly unmounted, so the master node is clean
* 2. UBIFS is being mounted R/W and starts changing the master
* node in the first (%UBIFS_MST_LNUM). A power cut happens,
* so this LEB ends up with some amount of garbage at the
* end.
* 3. UBIFS is being mounted R/O. We reach this place and
* recover the master node from the second LEB
* (%UBIFS_MST_LNUM + 1). But we cannot update the media
* because we are being mounted R/O. We have to defer the
* operation.
* 4. However, this master node (@c->mst_node) is marked as
* clean (since the step 1). And if we just return, the
* mount code will be confused and won't recover the master
* node when it is re-mounter R/W later.
*
* Thus, to force the recovery by marking the master node as
* dirty.
*/
c->mst_node->flags |= cpu_to_le32(UBIFS_MST_DIRTY);
} else {
/* Write the recovered master node */
c->max_sqnum = le64_to_cpu(mst->ch.sqnum) - 1;

29
fs/ubifs/super.c
View File

@ -1671,14 +1671,25 @@ static int ubifs_remount_rw(struct ubifs_info *c)
if (err)
goto out;
dbg_gen("re-mounted read-write");
c->remounting_rw = 0;
if (c->need_recovery) {
c->need_recovery = 0;
ubifs_msg("deferred recovery completed");
} else {
/*
* Do not run the debugging space check if the were doing
* recovery, because when we saved the information we had the
* file-system in a state where the TNC and lprops has been
* modified in memory, but all the I/O operations (including a
* commit) were deferred. So the file-system was in
* "non-committed" state. Now the file-system is in committed
* state, and of course the amount of free space will change
* because, for example, the old index size was imprecise.
*/
err = dbg_check_space_info(c);
}
dbg_gen("re-mounted read-write");
c->remounting_rw = 0;
err = dbg_check_space_info(c);
mutex_unlock(&c->umount_mutex);
return err;
@ -1761,10 +1772,12 @@ static void ubifs_put_super(struct super_block *sb)
* of the media. For example, there will be dirty inodes if we failed
* to write them back because of I/O errors.
*/
ubifs_assert(atomic_long_read(&c->dirty_pg_cnt) == 0);
ubifs_assert(c->budg_idx_growth == 0);
ubifs_assert(c->budg_dd_growth == 0);
ubifs_assert(c->budg_data_growth == 0);
if (!c->ro_error) {
ubifs_assert(atomic_long_read(&c->dirty_pg_cnt) == 0);
ubifs_assert(c->budg_idx_growth == 0);
ubifs_assert(c->budg_dd_growth == 0);
ubifs_assert(c->budg_data_growth == 0);
}
/*
* The 'c->umount_lock' prevents races between UBIFS memory shrinker

8
include/linux/bit_spinlock.h
View File

@ -23,11 +23,11 @@ static inline void bit_spin_lock(int bitnum, unsigned long *addr)
preempt_disable();
#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
while (unlikely(test_and_set_bit_lock(bitnum, addr))) {
while (test_bit(bitnum, addr)) {
preempt_enable();
preempt_enable();
do {
cpu_relax();
preempt_disable();
}
} while (test_bit(bitnum, addr));
preempt_disable();
}
#endif
__acquire(bitlock);

4
include/linux/dcache.h
View File

@ -197,7 +197,7 @@ struct dentry_operations {
* typically using d_splice_alias. */
#define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
#define DCACHE_UNHASHED 0x0010
#define DCACHE_RCUACCESS 0x0010 /* Entry has ever been RCU-visible */
#define DCACHE_INOTIFY_PARENT_WATCHED 0x0020
/* Parent inode is watched by inotify */
@ -384,7 +384,7 @@ extern struct dentry *dget_parent(struct dentry *dentry);
static inline int d_unhashed(struct dentry *dentry)
{
return (dentry->d_flags & DCACHE_UNHASHED);
return hlist_bl_unhashed(&dentry->d_hash);
}
static inline int d_unlinked(struct dentry *dentry)

3
include/linux/libata.h
View File

@ -137,8 +137,6 @@ enum {
ATA_DFLAG_ACPI_PENDING = (1 << 5), /* ACPI resume action pending */
ATA_DFLAG_ACPI_FAILED = (1 << 6), /* ACPI on devcfg has failed */
ATA_DFLAG_AN = (1 << 7), /* AN configured */
ATA_DFLAG_HIPM = (1 << 8), /* device supports HIPM */
ATA_DFLAG_DIPM = (1 << 9), /* device supports DIPM */
ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */
ATA_DFLAG_CFG_MASK = (1 << 12) - 1,
@ -198,6 +196,7 @@ enum {
* management */
ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity
* led */
ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */

11
include/linux/list_bl.h
View File

@ -2,6 +2,7 @@
#define _LINUX_LIST_BL_H
#include <linux/list.h>
#include <linux/bit_spinlock.h>
/*
* Special version of lists, where head of the list has a lock in the lowest
@ -114,6 +115,16 @@ static inline void hlist_bl_del_init(struct hlist_bl_node *n)
}
}
static inline void hlist_bl_lock(struct hlist_bl_head *b)
{
bit_spin_lock(0, (unsigned long *)b);
}
static inline void hlist_bl_unlock(struct hlist_bl_head *b)
{
__bit_spin_unlock(0, (unsigned long *)b);
}
/**
* hlist_bl_for_each_entry - iterate over list of given type
* @tpos: the type * to use as a loop cursor.

2
include/linux/security.h
View File

@ -1456,7 +1456,7 @@ struct security_operations {
struct inode *new_dir, struct dentry *new_dentry);
int (*inode_readlink) (struct dentry *dentry);
int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
int (*inode_permission) (struct inode *inode, int mask);
int (*inode_permission) (struct inode *inode, int mask, unsigned flags);
int (*inode_setattr) (struct dentry *dentry, struct iattr *attr);
int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
int (*inode_setxattr) (struct dentry *dentry, const char *name,

7
kernel/kexec.c
View File

@ -33,6 +33,7 @@
#include <linux/vmalloc.h>
#include <linux/swap.h>
#include <linux/kmsg_dump.h>
#include <linux/syscore_ops.h>
#include <asm/page.h>
#include <asm/uaccess.h>
@ -1532,6 +1533,11 @@ int kernel_kexec(void)
local_irq_disable();
/* Suspend system devices */
error = sysdev_suspend(PMSG_FREEZE);
if (!error) {
error = syscore_suspend();
if (error)
sysdev_resume();
}
if (error)
goto Enable_irqs;
} else
@ -1546,6 +1552,7 @@ int kernel_kexec(void)
#ifdef CONFIG_KEXEC_JUMP
if (kexec_image->preserve_context) {
syscore_resume();
sysdev_resume();
Enable_irqs:
local_irq_enable();

10
kernel/power/hibernate.c
View File

@ -273,8 +273,11 @@ static int create_image(int platform_mode)
local_irq_disable();
error = sysdev_suspend(PMSG_FREEZE);
if (!error)
if (!error) {
error = syscore_suspend();
if (error)
sysdev_resume();
}
if (error) {
printk(KERN_ERR "PM: Some system devices failed to power down, "
"aborting hibernation\n");
@ -407,8 +410,11 @@ static int resume_target_kernel(bool platform_mode)
local_irq_disable();
error = sysdev_suspend(PMSG_QUIESCE);
if (!error)
if (!error) {
error = syscore_suspend();
if (error)
sysdev_resume();
}
if (error)
goto Enable_irqs;

5
kernel/power/suspend.c
View File

@ -164,8 +164,11 @@ static int suspend_enter(suspend_state_t state)
BUG_ON(!irqs_disabled());
error = sysdev_suspend(PMSG_SUSPEND);
if (!error)
if (!error) {
error = syscore_suspend();
if (error)
sysdev_resume();
}
if (!error) {
if (!(suspend_test(TEST_CORE) || pm_wakeup_pending())) {
error = suspend_ops->enter(state);

2
kernel/trace/Kconfig
View File

@ -141,7 +141,7 @@ if FTRACE
config FUNCTION_TRACER
bool "Kernel Function Tracer"
depends on HAVE_FUNCTION_TRACER
select FRAME_POINTER if !ARM_UNWIND && !S390
select FRAME_POINTER if !ARM_UNWIND && !S390 && !MICROBLAZE
select KALLSYMS
select GENERIC_TRACER
select CONTEXT_SWITCH_TRACER

12
kernel/trace/ftrace.c
View File

@ -2413,14 +2413,16 @@ ftrace_regex_release(struct inode *inode, struct file *file, int enable)
ftrace_match_records(parser->buffer, parser->idx, enable);
}
mutex_lock(&ftrace_lock);
if (ftrace_start_up && ftrace_enabled)
ftrace_run_update_code(FTRACE_ENABLE_CALLS);
mutex_unlock(&ftrace_lock);
trace_parser_put(parser);
kfree(iter);
if (file->f_mode & FMODE_WRITE) {
mutex_lock(&ftrace_lock);
if (ftrace_start_up && ftrace_enabled)
ftrace_run_update_code(FTRACE_ENABLE_CALLS);
mutex_unlock(&ftrace_lock);
}
mutex_unlock(&ftrace_regex_lock);
return 0;
}

2
scripts/kconfig/conf.c
View File

@ -332,7 +332,7 @@ static int conf_choice(struct menu *menu)
}
if (!child)
continue;
if (line[strlen(line) - 1] == '?') {
if (line[0] && line[strlen(line) - 1] == '?') {
print_help(child);
continue;
}

2
security/capability.c
View File

@ -181,7 +181,7 @@ static int cap_inode_follow_link(struct dentry *dentry,
return 0;
}
static int cap_inode_permission(struct inode *inode, int mask)
static int cap_inode_permission(struct inode *inode, int mask, unsigned flags)
{
return 0;
}

6
security/security.c
View File

@ -518,16 +518,14 @@ int security_inode_permission(struct inode *inode, int mask)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
return security_ops->inode_permission(inode, mask);
return security_ops->inode_permission(inode, mask, 0);
}
int security_inode_exec_permission(struct inode *inode, unsigned int flags)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
if (flags)
return -ECHILD;
return security_ops->inode_permission(inode, MAY_EXEC);
return security_ops->inode_permission(inode, MAY_EXEC, flags);
}
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)

36
security/selinux/avc.c
View File

@ -471,6 +471,7 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
* @avd: access vector decisions
* @result: result from avc_has_perm_noaudit
* @a: auxiliary audit data
* @flags: VFS walk flags
*
* Audit the granting or denial of permissions in accordance
* with the policy. This function is typically called by
@ -481,9 +482,10 @@ static void avc_audit_post_callback(struct audit_buffer *ab, void *a)
* be performed under a lock, to allow the lock to be released
* before calling the auditing code.
*/
void avc_audit(u32 ssid, u32 tsid,
int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd, int result, struct common_audit_data *a)
struct av_decision *avd, int result, struct common_audit_data *a,
unsigned flags)
{
struct common_audit_data stack_data;
u32 denied, audited;
@ -515,11 +517,24 @@ void avc_audit(u32 ssid, u32 tsid,
else
audited = requested & avd->auditallow;
if (!audited)
return;
return 0;
if (!a) {
a = &stack_data;
COMMON_AUDIT_DATA_INIT(a, NONE);
}
/*
* When in a RCU walk do the audit on the RCU retry. This is because
* the collection of the dname in an inode audit message is not RCU
* safe. Note this may drop some audits when the situation changes
* during retry. However this is logically just as if the operation
* happened a little later.
*/
if ((a->type == LSM_AUDIT_DATA_FS) &&
(flags & IPERM_FLAG_RCU))
return -ECHILD;
a->selinux_audit_data.tclass = tclass;
a->selinux_audit_data.requested = requested;
a->selinux_audit_data.ssid = ssid;
@ -529,6 +544,7 @@ void avc_audit(u32 ssid, u32 tsid,
a->lsm_pre_audit = avc_audit_pre_callback;
a->lsm_post_audit = avc_audit_post_callback;
common_lsm_audit(a);
return 0;
}
/**
@ -793,6 +809,7 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
* @tclass: target security class
* @requested: requested permissions, interpreted based on @tclass
* @auditdata: auxiliary audit data
* @flags: VFS walk flags
*
* Check the AVC to determine whether the @requested permissions are granted
* for the SID pair (@ssid, @tsid), interpreting the permissions
@ -802,14 +819,19 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
* permissions are granted, -%EACCES if any permissions are denied, or
* another -errno upon other errors.
*/
int avc_has_perm(u32 ssid, u32 tsid, u16 tclass,
u32 requested, struct common_audit_data *auditdata)
int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass,
u32 requested, struct common_audit_data *auditdata,
unsigned flags)
{
struct av_decision avd;
int rc;
int rc, rc2;
rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd);
avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata,
flags);
if (rc2)
return rc2;
return rc;
}

24
security/selinux/hooks.c
View File

@ -1446,8 +1446,11 @@ static int task_has_capability(struct task_struct *tsk,
}
rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd);
if (audit == SECURITY_CAP_AUDIT)
avc_audit(sid, sid, sclass, av, &avd, rc, &ad);
if (audit == SECURITY_CAP_AUDIT) {
int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0);
if (rc2)
return rc2;
}
return rc;
}
@ -1467,7 +1470,8 @@ static int task_has_system(struct task_struct *tsk,
static int inode_has_perm(const struct cred *cred,
struct inode *inode,
u32 perms,
struct common_audit_data *adp)
struct common_audit_data *adp,
unsigned flags)
{
struct inode_security_struct *isec;
struct common_audit_data ad;
@ -1487,7 +1491,7 @@ static int inode_has_perm(const struct cred *cred,
ad.u.fs.inode = inode;
}
return avc_has_perm(sid, isec->sid, isec->sclass, perms, adp);
return avc_has_perm_flags(sid, isec->sid, isec->sclass, perms, adp, flags);
}
/* Same as inode_has_perm, but pass explicit audit data containing
@ -1504,7 +1508,7 @@ static inline int dentry_has_perm(const struct cred *cred,
COMMON_AUDIT_DATA_INIT(&ad, FS);
ad.u.fs.path.mnt = mnt;
ad.u.fs.path.dentry = dentry;
return inode_has_perm(cred, inode, av, &ad);
return inode_has_perm(cred, inode, av, &ad, 0);
}
/* Check whether a task can use an open file descriptor to
@ -1540,7 +1544,7 @@ static int file_has_perm(const struct cred *cred,
/* av is zero if only checking access to the descriptor. */
rc = 0;
if (av)
rc = inode_has_perm(cred, inode, av, &ad);
rc = inode_has_perm(cred, inode, av, &ad, 0);
out:
return rc;
@ -2103,7 +2107,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
file = file_priv->file;
inode = file->f_path.dentry->d_inode;
if (inode_has_perm(cred, inode,
FILE__READ | FILE__WRITE, NULL)) {
FILE__READ | FILE__WRITE, NULL, 0)) {
drop_tty = 1;
}
}
@ -2635,7 +2639,7 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na
return dentry_has_perm(cred, NULL, dentry, FILE__READ);
}
static int selinux_inode_permission(struct inode *inode, int mask)
static int selinux_inode_permission(struct inode *inode, int mask, unsigned flags)
{
const struct cred *cred = current_cred();
struct common_audit_data ad;
@ -2657,7 +2661,7 @@ static int selinux_inode_permission(struct inode *inode, int mask)
perms = file_mask_to_av(inode->i_mode, mask);
return inode_has_perm(cred, inode, perms, &ad);
return inode_has_perm(cred, inode, perms, &ad, flags);
}
static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr)
@ -3205,7 +3209,7 @@ static int selinux_dentry_open(struct file *file, const struct cred *cred)
* new inode label or new policy.
* This check is not redundant - do not remove.
*/
return inode_has_perm(cred, inode, open_file_to_av(file), NULL);
return inode_has_perm(cred, inode, open_file_to_av(file), NULL, 0);
}
/* task security operations */

18
security/selinux/include/avc.h
View File

@ -54,11 +54,11 @@ struct avc_cache_stats {
void __init avc_init(void);
void avc_audit(u32 ssid, u32 tsid,
int avc_audit(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct av_decision *avd,
int result,
struct common_audit_data *a);
struct common_audit_data *a, unsigned flags);
#define AVC_STRICT 1 /* Ignore permissive mode. */
int avc_has_perm_noaudit(u32 ssid, u32 tsid,
@ -66,9 +66,17 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
unsigned flags,
struct av_decision *avd);
int avc_has_perm(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata);
int avc_has_perm_flags(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata,
unsigned);
static inline int avc_has_perm(u32 ssid, u32 tsid,
u16 tclass, u32 requested,
struct common_audit_data *auditdata)
{
return avc_has_perm_flags(ssid, tsid, tclass, requested, auditdata, 0);
}
u32 avc_policy_seqno(void);

6
security/smack/smack_lsm.c
View File

@ -686,7 +686,7 @@ static int smack_inode_rename(struct inode *old_inode,
*
* Returns 0 if access is permitted, -EACCES otherwise
*/
static int smack_inode_permission(struct inode *inode, int mask)
static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
{
struct smk_audit_info ad;
@ -696,6 +696,10 @@ static int smack_inode_permission(struct inode *inode, int mask)
*/
if (mask == 0)
return 0;
/* May be droppable after audit */
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
smk_ad_setfield_u_fs_inode(&ad, inode);
return smk_curacc(smk_of_inode(inode), mask, &ad);

4
sound/pci/hda/hda_codec.c
View File

@ -937,6 +937,7 @@ void snd_hda_shutup_pins(struct hda_codec *codec)
}
EXPORT_SYMBOL_HDA(snd_hda_shutup_pins);
#ifdef SND_HDA_NEEDS_RESUME
/* Restore the pin controls cleared previously via snd_hda_shutup_pins() */
static void restore_shutup_pins(struct hda_codec *codec)
{
@ -953,6 +954,7 @@ static void restore_shutup_pins(struct hda_codec *codec)
}
codec->pins_shutup = 0;
}
#endif
static void init_hda_cache(struct hda_cache_rec *cache,
unsigned int record_size);
@ -1329,6 +1331,7 @@ static void purify_inactive_streams(struct hda_codec *codec)
}
}
#ifdef SND_HDA_NEEDS_RESUME
/* clean up all streams; called from suspend */
static void hda_cleanup_all_streams(struct hda_codec *codec)
{
@ -1340,6 +1343,7 @@ static void hda_cleanup_all_streams(struct hda_codec *codec)
really_cleanup_stream(codec, p);
}
}
#endif
/*
* amp access functions

25
sound/pci/hda/patch_realtek.c
View File

@ -14868,6 +14868,23 @@ static void alc269_fixup_hweq(struct hda_codec *codec,
alc_write_coef_idx(codec, 0x1e, coef | 0x80);
}
static void alc271_fixup_dmic(struct hda_codec *codec,
const struct alc_fixup *fix, int action)
{
static struct hda_verb verbs[] = {
{0x20, AC_VERB_SET_COEF_INDEX, 0x0d},
{0x20, AC_VERB_SET_PROC_COEF, 0x4000},
{}
};
unsigned int cfg;
if (strcmp(codec->chip_name, "ALC271X"))
return;
cfg = snd_hda_codec_get_pincfg(codec, 0x12);
if (get_defcfg_connect(cfg) == AC_JACK_PORT_FIXED)
snd_hda_sequence_write(codec, verbs);
}
enum {
ALC269_FIXUP_SONY_VAIO,
ALC275_FIXUP_SONY_VAIO_GPIO2,
@ -14876,6 +14893,7 @@ enum {
ALC269_FIXUP_ASUS_G73JW,
ALC269_FIXUP_LENOVO_EAPD,
ALC275_FIXUP_SONY_HWEQ,
ALC271_FIXUP_DMIC,
};
static const struct alc_fixup alc269_fixups[] = {
@ -14929,7 +14947,11 @@ static const struct alc_fixup alc269_fixups[] = {
.v.func = alc269_fixup_hweq,
.chained = true,
.chain_id = ALC275_FIXUP_SONY_VAIO_GPIO2
}
},
[ALC271_FIXUP_DMIC] = {
.type = ALC_FIXUP_FUNC,
.v.func = alc271_fixup_dmic,
},
};
static struct snd_pci_quirk alc269_fixup_tbl[] = {
@ -14938,6 +14960,7 @@ static struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),

2
sound/soc/codecs/jz4740.c
View File

@ -308,8 +308,6 @@ static int jz4740_codec_dev_probe(struct snd_soc_codec *codec)
snd_soc_dapm_add_routes(dapm, jz4740_codec_dapm_routes,
ARRAY_SIZE(jz4740_codec_dapm_routes));
snd_soc_dapm_new_widgets(codec);
jz4740_codec_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;

2
sound/soc/codecs/sn95031.c
View File

@ -927,7 +927,7 @@ static struct platform_driver sn95031_codec_driver = {
.owner = THIS_MODULE,
},
.probe = sn95031_device_probe,
.remove = sn95031_device_remove,
.remove = __devexit_p(sn95031_device_remove),
};
static int __init sn95031_init(void)

38
sound/soc/codecs/wm8903.c
View File

@ -247,8 +247,6 @@ static int wm8903_volatile_register(struct snd_soc_codec *codec, unsigned int re
case WM8903_REVISION_NUMBER:
case WM8903_INTERRUPT_STATUS_1:
case WM8903_WRITE_SEQUENCER_4:
case WM8903_POWER_MANAGEMENT_3:
case WM8903_POWER_MANAGEMENT_2:
case WM8903_DC_SERVO_READBACK_1:
case WM8903_DC_SERVO_READBACK_2:
case WM8903_DC_SERVO_READBACK_3:
@ -875,34 +873,40 @@ SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
4, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_ANALOGUE_HP_0,
SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
1, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
0, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 1, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 1, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
NULL, 0),
SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
@ -1037,10 +1041,14 @@ static const struct snd_soc_dapm_route intercon[] = {
{ "Left Speaker PGA", NULL, "Left Speaker Mixer" },
{ "Right Speaker PGA", NULL, "Right Speaker Mixer" },
{ "HPL_ENA_DLY", NULL, "Left Headphone Output PGA" },
{ "HPR_ENA_DLY", NULL, "Right Headphone Output PGA" },
{ "LINEOUTL_ENA_DLY", NULL, "Left Line Output PGA" },
{ "LINEOUTR_ENA_DLY", NULL, "Right Line Output PGA" },
{ "HPL_ENA", NULL, "Left Headphone Output PGA" },
{ "HPR_ENA", NULL, "Right Headphone Output PGA" },
{ "HPL_ENA_DLY", NULL, "HPL_ENA" },
{ "HPR_ENA_DLY", NULL, "HPR_ENA" },
{ "LINEOUTL_ENA", NULL, "Left Line Output PGA" },
{ "LINEOUTR_ENA", NULL, "Right Line Output PGA" },
{ "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" },
{ "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" },
{ "HPL_DCS", NULL, "DCS Master" },
{ "HPR_DCS", NULL, "DCS Master" },

16
sound/soc/codecs/wm8994.c
View File

@ -3261,20 +3261,36 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch volume updates (right only; we always do left then right). */
snd_soc_update_bits(codec, WM8994_AIF1_DAC1_LEFT_VOLUME,
WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);
snd_soc_update_bits(codec, WM8994_AIF1_DAC1_RIGHT_VOLUME,
WM8994_AIF1DAC1_VU, WM8994_AIF1DAC1_VU);
snd_soc_update_bits(codec, WM8994_AIF1_DAC2_LEFT_VOLUME,
WM8994_AIF1DAC2_VU, WM8994_AIF1DAC2_VU);
snd_soc_update_bits(codec, WM8994_AIF1_DAC2_RIGHT_VOLUME,
WM8994_AIF1DAC2_VU, WM8994_AIF1DAC2_VU);
snd_soc_update_bits(codec, WM8994_AIF2_DAC_LEFT_VOLUME,
WM8994_AIF2DAC_VU, WM8994_AIF2DAC_VU);
snd_soc_update_bits(codec, WM8994_AIF2_DAC_RIGHT_VOLUME,
WM8994_AIF2DAC_VU, WM8994_AIF2DAC_VU);
snd_soc_update_bits(codec, WM8994_AIF1_ADC1_LEFT_VOLUME,
WM8994_AIF1ADC1_VU, WM8994_AIF1ADC1_VU);
snd_soc_update_bits(codec, WM8994_AIF1_ADC1_RIGHT_VOLUME,
WM8994_AIF1ADC1_VU, WM8994_AIF1ADC1_VU);
snd_soc_update_bits(codec, WM8994_AIF1_ADC2_LEFT_VOLUME,
WM8994_AIF1ADC2_VU, WM8994_AIF1ADC2_VU);
snd_soc_update_bits(codec, WM8994_AIF1_ADC2_RIGHT_VOLUME,
WM8994_AIF1ADC2_VU, WM8994_AIF1ADC2_VU);
snd_soc_update_bits(codec, WM8994_AIF2_ADC_LEFT_VOLUME,
WM8994_AIF2ADC_VU, WM8994_AIF1ADC2_VU);
snd_soc_update_bits(codec, WM8994_AIF2_ADC_RIGHT_VOLUME,
WM8994_AIF2ADC_VU, WM8994_AIF1ADC2_VU);
snd_soc_update_bits(codec, WM8994_DAC1_LEFT_VOLUME,
WM8994_DAC1_VU, WM8994_DAC1_VU);
snd_soc_update_bits(codec, WM8994_DAC1_RIGHT_VOLUME,
WM8994_DAC1_VU, WM8994_DAC1_VU);
snd_soc_update_bits(codec, WM8994_DAC2_LEFT_VOLUME,
WM8994_DAC2_VU, WM8994_DAC2_VU);
snd_soc_update_bits(codec, WM8994_DAC2_RIGHT_VOLUME,
WM8994_DAC2_VU, WM8994_DAC2_VU);

8
sound/soc/codecs/wm_hubs.c
View File

@ -740,12 +740,12 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
{ "SPKL", "Input Switch", "MIXINL" },
{ "SPKL", "IN1LP Switch", "IN1LP" },
{ "SPKL", "Output Switch", "Left Output Mixer" },
{ "SPKL", "Output Switch", "Left Output PGA" },
{ "SPKL", NULL, "TOCLK" },
{ "SPKR", "Input Switch", "MIXINR" },
{ "SPKR", "IN1RP Switch", "IN1RP" },
{ "SPKR", "Output Switch", "Right Output Mixer" },
{ "SPKR", "Output Switch", "Right Output PGA" },
{ "SPKR", NULL, "TOCLK" },
{ "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
@ -767,8 +767,8 @@ static const struct snd_soc_dapm_route analogue_routes[] = {
{ "SPKOUTRP", NULL, "SPKR Driver" },
{ "SPKOUTRN", NULL, "SPKR Driver" },
{ "Left Headphone Mux", "Mixer", "Left Output Mixer" },
{ "Right Headphone Mux", "Mixer", "Right Output Mixer" },
{ "Left Headphone Mux", "Mixer", "Left Output PGA" },
{ "Right Headphone Mux", "Mixer", "Right Output PGA" },
{ "Headphone PGA", NULL, "Left Headphone Mux" },
{ "Headphone PGA", NULL, "Right Headphone Mux" },

10
sound/soc/mid-x86/sst_platform.c
View File

@ -116,18 +116,20 @@ struct snd_soc_dai_driver sst_platform_dai[] = {
static inline void sst_set_stream_status(struct sst_runtime_stream *stream,
int state)
{
spin_lock(&stream->status_lock);
unsigned long flags;
spin_lock_irqsave(&stream->status_lock, flags);
stream->stream_status = state;
spin_unlock(&stream->status_lock);
spin_unlock_irqrestore(&stream->status_lock, flags);
}
static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
{
int state;
unsigned long flags;
spin_lock(&stream->status_lock);
spin_lock_irqsave(&stream->status_lock, flags);
state = stream->stream_status;
spin_unlock(&stream->status_lock);
spin_unlock_irqrestore(&stream->status_lock, flags);
return state;
}

4
sound/soc/samsung/pcm.c
View File

@ -350,8 +350,8 @@ static int s3c_pcm_set_fmt(struct snd_soc_dai *cpu_dai,
ctl = readl(regs + S3C_PCM_CTL);
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
/* Nothing to do, NB_NF by default */
case SND_SOC_DAIFMT_IB_NF:
/* Nothing to do, IB_NF by default */
break;
default:
dev_err(pcm->dev, "Unsupported clock inversion!\n");

22
sound/soc/sh/fsi.c
View File

@ -1200,10 +1200,11 @@ static int fsi_probe(struct platform_device *pdev)
master->fsib.master = master;
pm_runtime_enable(&pdev->dev);
pm_runtime_resume(&pdev->dev);
dev_set_drvdata(&pdev->dev, master);
pm_runtime_get_sync(&pdev->dev);
fsi_soft_all_reset(master);
pm_runtime_put_sync(&pdev->dev);
ret = request_irq(irq, &fsi_interrupt, IRQF_DISABLED,
id_entry->name, master);
@ -1218,8 +1219,17 @@ static int fsi_probe(struct platform_device *pdev)
goto exit_free_irq;
}
return snd_soc_register_dais(&pdev->dev, fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai));
ret = snd_soc_register_dais(&pdev->dev, fsi_soc_dai,
ARRAY_SIZE(fsi_soc_dai));
if (ret < 0) {
dev_err(&pdev->dev, "cannot snd dai register\n");
goto exit_snd_soc;
}
return ret;
exit_snd_soc:
snd_soc_unregister_platform(&pdev->dev);
exit_free_irq:
free_irq(irq, master);
exit_iounmap:
@ -1238,12 +1248,11 @@ static int fsi_remove(struct platform_device *pdev)
master = dev_get_drvdata(&pdev->dev);
snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
snd_soc_unregister_platform(&pdev->dev);
free_irq(master->irq, master);
pm_runtime_disable(&pdev->dev);
free_irq(master->irq, master);
snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(fsi_soc_dai));
snd_soc_unregister_platform(&pdev->dev);
iounmap(master->base);
kfree(master);
@ -1321,3 +1330,4 @@ module_exit(fsi_mobile_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SuperH onchip FSI audio driver");
MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
MODULE_ALIAS("platform:fsi-pcm-audio");

5
sound/soc/soc-core.c
View File

@ -629,6 +629,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
runtime->hw.rates |= codec_dai_drv->capture.rates;
}
ret = -EINVAL;
snd_pcm_limit_hw_rates(runtime);
if (!runtime->hw.rates) {
printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
@ -640,7 +641,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
codec_dai->name, cpu_dai->name);
goto config_err;
}
if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
runtime->hw.channels_min > runtime->hw.channels_max) {
printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
codec_dai->name, cpu_dai->name);
goto config_err;
@ -2060,6 +2062,7 @@ const struct dev_pm_ops snd_soc_pm_ops = {
.resume = snd_soc_resume,
.poweroff = snd_soc_poweroff,
};
EXPORT_SYMBOL_GPL(snd_soc_pm_ops);
/* ASoC platform driver */
static struct platform_driver soc_driver = {

1
sound/soc/tegra/harmony.c
View File

@ -370,6 +370,7 @@ static struct platform_driver tegra_snd_harmony_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
},
.probe = tegra_snd_harmony_probe,
.remove = __devexit_p(tegra_snd_harmony_remove),