diff options
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r-- | arch/powerpc/sysdev/mpic.c | 43 |
1 files changed, 12 insertions, 31 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index f6299cca7814..c82babb70074 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c | |||
@@ -600,7 +600,7 @@ static int irq_choose_cpu(unsigned int virt_irq) | |||
600 | cpuid = first_cpu(tmp); | 600 | cpuid = first_cpu(tmp); |
601 | } | 601 | } |
602 | 602 | ||
603 | return cpuid; | 603 | return get_hard_smp_processor_id(cpuid); |
604 | } | 604 | } |
605 | #else | 605 | #else |
606 | static int irq_choose_cpu(unsigned int virt_irq) | 606 | static int irq_choose_cpu(unsigned int virt_irq) |
@@ -661,17 +661,6 @@ static inline void mpic_eoi(struct mpic *mpic) | |||
661 | (void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI)); | 661 | (void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI)); |
662 | } | 662 | } |
663 | 663 | ||
664 | #ifdef CONFIG_SMP | ||
665 | static irqreturn_t mpic_ipi_action(int irq, void *data) | ||
666 | { | ||
667 | long ipi = (long)data; | ||
668 | |||
669 | smp_message_recv(ipi); | ||
670 | |||
671 | return IRQ_HANDLED; | ||
672 | } | ||
673 | #endif /* CONFIG_SMP */ | ||
674 | |||
675 | /* | 664 | /* |
676 | * Linux descriptor level callbacks | 665 | * Linux descriptor level callbacks |
677 | */ | 666 | */ |
@@ -1271,6 +1260,7 @@ void __init mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count) | |||
1271 | void __init mpic_init(struct mpic *mpic) | 1260 | void __init mpic_init(struct mpic *mpic) |
1272 | { | 1261 | { |
1273 | int i; | 1262 | int i; |
1263 | int cpu; | ||
1274 | 1264 | ||
1275 | BUG_ON(mpic->num_sources == 0); | 1265 | BUG_ON(mpic->num_sources == 0); |
1276 | 1266 | ||
@@ -1313,6 +1303,11 @@ void __init mpic_init(struct mpic *mpic) | |||
1313 | 1303 | ||
1314 | mpic_pasemi_msi_init(mpic); | 1304 | mpic_pasemi_msi_init(mpic); |
1315 | 1305 | ||
1306 | if (mpic->flags & MPIC_PRIMARY) | ||
1307 | cpu = hard_smp_processor_id(); | ||
1308 | else | ||
1309 | cpu = 0; | ||
1310 | |||
1316 | for (i = 0; i < mpic->num_sources; i++) { | 1311 | for (i = 0; i < mpic->num_sources; i++) { |
1317 | /* start with vector = source number, and masked */ | 1312 | /* start with vector = source number, and masked */ |
1318 | u32 vecpri = MPIC_VECPRI_MASK | i | | 1313 | u32 vecpri = MPIC_VECPRI_MASK | i | |
@@ -1323,8 +1318,7 @@ void __init mpic_init(struct mpic *mpic) | |||
1323 | continue; | 1318 | continue; |
1324 | /* init hw */ | 1319 | /* init hw */ |
1325 | mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri); | 1320 | mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri); |
1326 | mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), | 1321 | mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), 1 << cpu); |
1327 | 1 << hard_smp_processor_id()); | ||
1328 | } | 1322 | } |
1329 | 1323 | ||
1330 | /* Init spurious vector */ | 1324 | /* Init spurious vector */ |
@@ -1543,13 +1537,7 @@ unsigned int mpic_get_mcirq(void) | |||
1543 | void mpic_request_ipis(void) | 1537 | void mpic_request_ipis(void) |
1544 | { | 1538 | { |
1545 | struct mpic *mpic = mpic_primary; | 1539 | struct mpic *mpic = mpic_primary; |
1546 | long i, err; | 1540 | int i; |
1547 | static char *ipi_names[] = { | ||
1548 | "IPI0 (call function)", | ||
1549 | "IPI1 (reschedule)", | ||
1550 | "IPI2 (call function single)", | ||
1551 | "IPI3 (debugger break)", | ||
1552 | }; | ||
1553 | BUG_ON(mpic == NULL); | 1541 | BUG_ON(mpic == NULL); |
1554 | 1542 | ||
1555 | printk(KERN_INFO "mpic: requesting IPIs ... \n"); | 1543 | printk(KERN_INFO "mpic: requesting IPIs ... \n"); |
@@ -1558,17 +1546,10 @@ void mpic_request_ipis(void) | |||
1558 | unsigned int vipi = irq_create_mapping(mpic->irqhost, | 1546 | unsigned int vipi = irq_create_mapping(mpic->irqhost, |
1559 | mpic->ipi_vecs[0] + i); | 1547 | mpic->ipi_vecs[0] + i); |
1560 | if (vipi == NO_IRQ) { | 1548 | if (vipi == NO_IRQ) { |
1561 | printk(KERN_ERR "Failed to map IPI %ld\n", i); | 1549 | printk(KERN_ERR "Failed to map %s\n", smp_ipi_name[i]); |
1562 | break; | 1550 | continue; |
1563 | } | ||
1564 | err = request_irq(vipi, mpic_ipi_action, | ||
1565 | IRQF_DISABLED|IRQF_PERCPU, | ||
1566 | ipi_names[i], (void *)i); | ||
1567 | if (err) { | ||
1568 | printk(KERN_ERR "Request of irq %d for IPI %ld failed\n", | ||
1569 | vipi, i); | ||
1570 | break; | ||
1571 | } | 1551 | } |
1552 | smp_request_message_ipi(vipi, i); | ||
1572 | } | 1553 | } |
1573 | } | 1554 | } |
1574 | 1555 | ||