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Merge branch 'for-3.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata into for-3.20 

09c32aaa36 ("ahci_xgene: Fix the dma state machine lockup for the
ATA_CMD_SMART PIO mode command.") missed 3.19 release.  Fold it into
for-3.20.

Signed-off-by: Tejun Heo <tj@kernel.org>
hifive-unleashed-5.1
Tejun Heo 2015-02-09 07:54:41 -05:00
parent f627cfdeb7 09c32aaa36
commit b12aa1f25e
9 changed files with 56 additions and 13 deletions
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1
drivers/ata/Kconfig
View File

@ -835,6 +835,7 @@ config PATA_AT32
config PATA_AT91
tristate "PATA support for AT91SAM9260"
depends on ARM && SOC_AT91SAM9
depends on !ARCH_MULTIPLATFORM
help
This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.

1
drivers/ata/ahci.c
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@ -325,7 +325,6 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */

3
drivers/ata/ahci_xgene.c
View File

@ -213,7 +213,8 @@ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc)
}
if (unlikely((ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA) ||
(ctx->last_cmd[ap->port_no] == ATA_CMD_PACKET)))
(ctx->last_cmd[ap->port_no] == ATA_CMD_PACKET) ||
(ctx->last_cmd[ap->port_no] == ATA_CMD_SMART)))
xgene_ahci_restart_engine(ap);
rc = ahci_qc_issue(qc);

2
drivers/ata/libahci.c
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@ -2003,7 +2003,7 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
devslp = readl(port_mmio + PORT_DEVSLP);
if (!(devslp & PORT_DEVSLP_DSP)) {
dev_err(ap->host->dev, "port does not support device sleep\n");
dev_info(ap->host->dev, "port does not support device sleep\n");
return;
}

36
drivers/ata/libata-core.c
View File

@ -4206,10 +4206,33 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* devices that don't properly handle queued TRIM commands */
{ "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
{ "Crucial_CT???M500SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
{ "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
{ "Crucial_CT*M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
{ "Micron_M[56]*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Crucial_CT*SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
/*
* As defined, the DRAT (Deterministic Read After Trim) and RZAT
* (Return Zero After Trim) flags in the ATA Command Set are
* unreliable in the sense that they only define what happens if
* the device successfully executed the DSM TRIM command. TRIM
* is only advisory, however, and the device is free to silently
* ignore all or parts of the request.
*
* Whitelist drives that are known to reliably return zeroes
* after TRIM.
*/
/*
* The intel 510 drive has buggy DRAT/RZAT. Explicitly exclude
* that model before whitelisting all other intel SSDs.
*/
{ "INTEL*SSDSC2MH*", NULL, 0, },
{ "INTEL*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
/*
* Some WD SATA-I drives spin up and down erratically when the link
@ -4721,7 +4744,10 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
return NULL;
for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
tag = tag < max_queue ? tag : 0;
if (ap->flags & ATA_FLAG_LOWTAG)
tag = i;
else
tag = tag < max_queue ? tag : 0;
/* the last tag is reserved for internal command. */
if (tag == ATA_TAG_INTERNAL)

10
drivers/ata/libata-scsi.c
View File

@ -2532,13 +2532,15 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
rbuf[15] = lowest_aligned;
if (ata_id_has_trim(args->id)) {
rbuf[14] |= 0x80; /* TPE */
rbuf[14] |= 0x80; /* LBPME */
if (ata_id_has_zero_after_trim(args->id))
rbuf[14] |= 0x40; /* TPRZ */
if (ata_id_has_zero_after_trim(args->id) &&
dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) {
ata_dev_info(dev, "Enabling discard_zeroes_data\n");
rbuf[14] |= 0x40; /* LBPRZ */
}
}
}
return 0;
}

12
drivers/ata/libata-sff.c
View File

@ -1333,7 +1333,19 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
DPRINTK("ENTER\n");
cancel_delayed_work_sync(&ap->sff_pio_task);
/*
* We wanna reset the HSM state to IDLE. If we do so without
* grabbing the port lock, critical sections protected by it which
* expect the HSM state to stay stable may get surprised. For
* example, we may set IDLE in between the time
* __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls
* ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG().
*/
spin_lock_irq(ap->lock);
ap->hsm_task_state = HSM_ST_IDLE;
spin_unlock_irq(ap->lock);
ap->sff_pio_task_link = NULL;
if (ata_msg_ctl(ap))

2
drivers/ata/sata_sil24.c
View File

@ -246,7 +246,7 @@ enum {
/* host flags */
SIL24_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
ATA_FLAG_AN | ATA_FLAG_PMP,
ATA_FLAG_AN | ATA_FLAG_PMP | ATA_FLAG_LOWTAG,
SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
IRQ_STAT_4PORTS = 0xf,

2
include/linux/libata.h
View File

@ -231,6 +231,7 @@ enum {
ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity
* led */
ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
ATA_FLAG_LOWTAG = (1 << 24), /* host wants lowest available tag */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */
@ -422,6 +423,7 @@ enum {
ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */
ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */