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powerpc/mpic: Invert the meaning of MPIC_PRIMARY 

It turns out that there are only 2 in-tree platforms which use MPICs
which are not "primary":  IBM Cell and PowerMac.  To reduce the
complexity of the typical board setup code, invert the MPIC_PRIMARY bit
into MPIC_SECONDARY.

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
hifive-unleashed-5.1
Kyle Moffett 2011-12-02 06:28:03 +00:00 committed by Benjamin Herrenschmidt
parent 996983b75c
commit be8bec56df
31 changed files with 42 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/powerpc/include/asm/mpic.h
View File

@ -334,11 +334,11 @@ struct mpic
* Note setting any ID (leaving those bits to 0) means standard MPIC
*/
/* This is the primary controller, only that one has IPIs and
* has afinity control. A non-primary MPIC always uses CPU0
* registers only
/*
* This is a secondary ("chained") controller; it only uses the CPU0
* registers. Primary controllers have IPIs and affinity control.
*/
#define MPIC_PRIMARY 0x00000001
#define MPIC_SECONDARY 0x00000001
/* Set this for a big-endian MPIC */
#define MPIC_BIG_ENDIAN 0x00000002

2
arch/powerpc/platforms/44x/iss4xx.c
View File

@ -71,7 +71,7 @@ static void __init iss4xx_init_irq(void)
/* The MPIC driver will get everything it needs from the
* device-tree, just pass 0 to all arguments
*/
struct mpic *mpic = mpic_alloc(np, 0, MPIC_PRIMARY, 0, 0,
struct mpic *mpic = mpic_alloc(np, 0, 0, 0, 0,
" MPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/corenet_ds.c
View File

@ -36,7 +36,7 @@
void __init corenet_ds_pic_init(void)
{
struct mpic *mpic;
unsigned int flags = MPIC_PRIMARY | MPIC_BIG_ENDIAN |
unsigned int flags = MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU;
if (ppc_md.get_irq == mpic_get_coreint_irq)

2
arch/powerpc/platforms/85xx/ksi8560.c
View File

@ -58,7 +58,7 @@ static void machine_restart(char *cmd)
static void __init ksi8560_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/mpc8536_ds.c
View File

@ -37,7 +37,7 @@
void __init mpc8536_ds_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);

2
arch/powerpc/platforms/85xx/mpc85xx_ads.c
View File

@ -51,7 +51,7 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
static void __init mpc85xx_ads_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/mpc85xx_cds.c
View File

@ -189,7 +189,7 @@ static void __init mpc85xx_cds_pic_init(void)
{
struct mpic *mpic;
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

3
arch/powerpc/platforms/85xx/mpc85xx_ds.c
View File

@ -72,13 +72,12 @@ void __init mpc85xx_ds_pic_init(void)
if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) {
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
} else {
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");

2
arch/powerpc/platforms/85xx/mpc85xx_mds.c
View File

@ -435,7 +435,7 @@ machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);
static void __init mpc85xx_mds_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);

3
arch/powerpc/platforms/85xx/mpc85xx_rdb.c
View File

@ -49,13 +49,12 @@ void __init mpc85xx_rdb_pic_init(void)
if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) {
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
} else {
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");

4
arch/powerpc/platforms/85xx/p1010rdb.c
View File

@ -33,8 +33,8 @@
void __init p1010_rdb_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);

2
arch/powerpc/platforms/85xx/p1022_ds.c
View File

@ -242,7 +242,7 @@ p1022ds_valid_monitor_port(enum fsl_diu_monitor_port port)
void __init p1022_ds_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");

2
arch/powerpc/platforms/85xx/p1023_rds.c
View File

@ -94,7 +94,7 @@ machine_device_initcall(p1023_rds, mpc85xx_common_publish_devices);
static void __init mpc85xx_rds_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " OpenPIC ");

2
arch/powerpc/platforms/85xx/sbc8548.c
View File

@ -55,7 +55,7 @@ static int sbc_rev;
static void __init sbc8548_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/sbc8560.c
View File

@ -42,7 +42,7 @@
static void __init sbc8560_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/socrates.c
View File

@ -49,7 +49,7 @@ static void __init socrates_pic_init(void)
struct device_node *np;
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/stx_gp3.c
View File

@ -49,7 +49,7 @@
static void __init stx_gp3_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/tqm85xx.c
View File

@ -47,7 +47,7 @@
static void __init tqm85xx_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);

2
arch/powerpc/platforms/85xx/xes_mpc85xx.c
View File

@ -44,7 +44,7 @@
void __init xes_mpc85xx_pic_init(void)
{
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);

5
arch/powerpc/platforms/86xx/pic.c
View File

@ -38,9 +38,8 @@ void __init mpc86xx_init_irq(void)
#endif
struct mpic *mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS |
MPIC_SINGLE_DEST_CPU,
MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
0, 256, " MPIC ");
BUG_ON(mpic == NULL);

2
arch/powerpc/platforms/cell/setup.c
View File

@ -211,7 +211,7 @@ static void __init mpic_init_IRQ(void)
/* The MPIC driver will get everything it needs from the
* device-tree, just pass 0 to all arguments
*/
mpic = mpic_alloc(dn, 0, 0, 0, 0, " MPIC ");
mpic = mpic_alloc(dn, 0, MPIC_SECONDARY, 0, 0, " MPIC ");
if (mpic == NULL)
continue;
mpic_init(mpic);

3
arch/powerpc/platforms/chrp/setup.c
View File

@ -435,8 +435,7 @@ static void __init chrp_find_openpic(void)
if (len > 1)
isu_size = iranges[3];
chrp_mpic = mpic_alloc(np, opaddr, MPIC_PRIMARY,
isu_size, 0, " MPIC ");
chrp_mpic = mpic_alloc(np, opaddr, 0, isu_size, 0, " MPIC ");
if (chrp_mpic == NULL) {
printk(KERN_ERR "Failed to allocate MPIC structure\n");
goto bail;

2
arch/powerpc/platforms/embedded6xx/holly.c
View File

@ -155,7 +155,7 @@ static void __init holly_init_IRQ(void)
#endif
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
24,
NR_IRQS-4, /* num_sources used */

2
arch/powerpc/platforms/embedded6xx/linkstation.c
View File

@ -82,7 +82,7 @@ static void __init linkstation_init_IRQ(void)
{
struct mpic *mpic;
mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET,
mpic = mpic_alloc(NULL, 0, MPIC_WANTS_RESET,
4, 32, " EPIC ");
BUG_ON(mpic == NULL);

2
arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
View File

@ -109,7 +109,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
#endif
mpic = mpic_alloc(NULL, 0,
MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
24,
NR_IRQS-4, /* num_sources used */

2
arch/powerpc/platforms/embedded6xx/storcenter.c
View File

@ -84,7 +84,7 @@ static void __init storcenter_init_IRQ(void)
{
struct mpic *mpic;
mpic = mpic_alloc(NULL, 0, MPIC_PRIMARY | MPIC_WANTS_RESET,
mpic = mpic_alloc(NULL, 0, MPIC_WANTS_RESET,
16, 32, " OpenPIC ");
BUG_ON(mpic == NULL);

2
arch/powerpc/platforms/maple/setup.c
View File

@ -221,7 +221,7 @@ static void __init maple_init_IRQ(void)
unsigned long openpic_addr = 0;
int naddr, n, i, opplen, has_isus = 0;
struct mpic *mpic;
unsigned int flags = MPIC_PRIMARY;
unsigned int flags = 0;
/* Locate MPIC in the device-tree. Note that there is a bug
* in Maple device-tree where the type of the controller is

2
arch/powerpc/platforms/pasemi/setup.c
View File

@ -224,7 +224,7 @@ static __init void pas_init_IRQ(void)
openpic_addr = of_read_number(opprop, naddr);
printk(KERN_DEBUG "OpenPIC addr: %lx\n", openpic_addr);
mpic_flags = MPIC_PRIMARY | MPIC_LARGE_VECTORS | MPIC_NO_BIAS;
mpic_flags = MPIC_LARGE_VECTORS | MPIC_NO_BIAS;
nmiprop = of_get_property(mpic_node, "nmi-source", NULL);
if (nmiprop)

2
arch/powerpc/platforms/powermac/pic.c
View File

@ -499,7 +499,7 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np,
{
const char *name = master ? " MPIC 1 " : " MPIC 2 ";
struct mpic *mpic;
unsigned int flags = master ? MPIC_PRIMARY : 0;
unsigned int flags = master ? 0 : MPIC_SECONDARY;
pmac_call_feature(PMAC_FTR_ENABLE_MPIC, np, 0, 0);

3
arch/powerpc/platforms/pseries/setup.c
View File

@ -192,8 +192,7 @@ static void __init pseries_mpic_init_IRQ(void)
BUG_ON(openpic_addr == 0);
/* Setup the openpic driver */
mpic = mpic_alloc(pSeries_mpic_node, openpic_addr,
MPIC_PRIMARY,
mpic = mpic_alloc(pSeries_mpic_node, openpic_addr, 0,
16, 250, /* isu size, irq count */
" MPIC ");
BUG_ON(mpic == NULL);

14
arch/powerpc/sysdev/mpic.c
View File

@ -154,7 +154,7 @@ static inline unsigned int mpic_processor_id(struct mpic *mpic)
{
unsigned int cpu = 0;
if (mpic->flags & MPIC_PRIMARY)
if (!(mpic->flags & MPIC_SECONDARY))
cpu = hard_smp_processor_id();
return cpu;
@ -990,7 +990,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
#ifdef CONFIG_SMP
else if (hw >= mpic->ipi_vecs[0]) {
WARN_ON(!(mpic->flags & MPIC_PRIMARY));
WARN_ON(mpic->flags & MPIC_SECONDARY);
DBG("mpic: mapping as IPI\n");
irq_set_chip_data(virq, mpic);
@ -1001,7 +1001,7 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
#endif /* CONFIG_SMP */
if (hw >= mpic->timer_vecs[0] && hw <= mpic->timer_vecs[7]) {
WARN_ON(!(mpic->flags & MPIC_PRIMARY));
WARN_ON(mpic->flags & MPIC_SECONDARY);
DBG("mpic: mapping as timer\n");
irq_set_chip_data(virq, mpic);
@ -1184,12 +1184,12 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->hc_irq = mpic_irq_chip;
mpic->hc_irq.name = name;
if (flags & MPIC_PRIMARY)
if (!(flags & MPIC_SECONDARY))
mpic->hc_irq.irq_set_affinity = mpic_set_affinity;
#ifdef CONFIG_MPIC_U3_HT_IRQS
mpic->hc_ht_irq = mpic_irq_ht_chip;
mpic->hc_ht_irq.name = name;
if (flags & MPIC_PRIMARY)
if (!(flags & MPIC_SECONDARY))
mpic->hc_ht_irq.irq_set_affinity = mpic_set_affinity;
#endif /* CONFIG_MPIC_U3_HT_IRQS */
@ -1375,7 +1375,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
mpic->next = mpics;
mpics = mpic;
if (flags & MPIC_PRIMARY) {
if (!(flags & MPIC_SECONDARY)) {
mpic_primary = mpic;
irq_set_default_host(mpic->irqhost);
}
@ -1450,7 +1450,7 @@ void __init mpic_init(struct mpic *mpic)
/* Do the HT PIC fixups on U3 broken mpic */
DBG("MPIC flags: %x\n", mpic->flags);
if ((mpic->flags & MPIC_U3_HT_IRQS) && (mpic->flags & MPIC_PRIMARY)) {
if ((mpic->flags & MPIC_U3_HT_IRQS) && !(mpic->flags & MPIC_SECONDARY)) {
mpic_scan_ht_pics(mpic);
mpic_u3msi_init(mpic);
}