diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/smp.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/smp.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 1949b657b092..eeb2ae5ffc58 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -160,7 +160,7 @@ static inline void psurge_clr_ipi(int cpu) */ static unsigned long psurge_smp_message[NR_CPUS]; -void psurge_smp_message_recv(struct pt_regs *regs) +void psurge_smp_message_recv(void) { int cpu = smp_processor_id(); int msg; @@ -174,12 +174,12 @@ void psurge_smp_message_recv(struct pt_regs *regs) /* make sure there is a message there */ for (msg = 0; msg < 4; msg++) if (test_and_clear_bit(msg, &psurge_smp_message[cpu])) - smp_message_recv(msg, regs); + smp_message_recv(msg); } -irqreturn_t psurge_primary_intr(int irq, void *d, struct pt_regs *regs) +irqreturn_t psurge_primary_intr(int irq, void *d) { - psurge_smp_message_recv(regs); + psurge_smp_message_recv(); return IRQ_HANDLED; } @@ -328,6 +328,7 @@ static void __init smp_psurge_kick_cpu(int nr) { unsigned long start = __pa(__secondary_start_pmac_0) + nr * 8; unsigned long a; + int i; /* may need to flush here if secondary bats aren't setup */ for (a = KERNELBASE; a < KERNELBASE + 0x800000; a += 32) @@ -340,7 +341,11 @@ static void __init smp_psurge_kick_cpu(int nr) mb(); psurge_set_ipi(nr); - udelay(10); + /* + * We can't use udelay here because the timebase is now frozen. + */ + for (i = 0; i < 2000; ++i) + barrier(); psurge_clr_ipi(nr); if (ppc_md.progress) ppc_md.progress("smp_psurge_kick_cpu - done", 0x354); |