diff options
| author | Geoff Levand <geoffrey.levand@am.sony.com> | 2007-06-16 08:06:09 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-06-28 19:16:45 +1000 |
| commit | a354ab8557566e9462ea7af20345f6927e6665b3 (patch) | |
| tree | 590eb787e150011acd5ca83dd554e2c56341af43 /arch | |
| parent | aab835007097122c3a1e7a7dddda0cf89a94cd4e (diff) | |
| download | blackbird-op-linux-a354ab8557566e9462ea7af20345f6927e6665b3.tar.gz blackbird-op-linux-a354ab8557566e9462ea7af20345f6927e6665b3.zip | |
[POWERPC] PS3: Use clear_bit
Replace the inline asm with bitops in the PS3 interrupt
chip mask routines.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/ps3/interrupt.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index e2de899d7463..67e32ec9b37e 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -100,24 +100,13 @@ static DEFINE_PER_CPU(struct ps3_private, ps3_private); static void ps3_chip_mask(unsigned int virq) { struct ps3_private *pd = get_irq_chip_data(virq); - u64 bit = 0x8000000000000000UL >> virq; - u64 *p = &pd->bmp.mask; - u64 old; unsigned long flags; pr_debug("%s:%d: thread_id %lu, virq %d\n", __func__, __LINE__, pd->thread_id, virq); local_irq_save(flags); - asm volatile( - "1: ldarx %0,0,%3\n" - "andc %0,%0,%2\n" - "stdcx. %0,0,%3\n" - "bne- 1b" - : "=&r" (old), "+m" (*p) - : "r" (bit), "r" (p) - : "cc" ); - + clear_bit(63 - virq, &pd->bmp.mask); lv1_did_update_interrupt_mask(pd->ppe_id, pd->thread_id); local_irq_restore(flags); } @@ -132,24 +121,13 @@ static void ps3_chip_mask(unsigned int virq) static void ps3_chip_unmask(unsigned int virq) { struct ps3_private *pd = get_irq_chip_data(virq); - u64 bit = 0x8000000000000000UL >> virq; - u64 *p = &pd->bmp.mask; - u64 old; unsigned long flags; pr_debug("%s:%d: thread_id %lu, virq %d\n", __func__, __LINE__, pd->thread_id, virq); local_irq_save(flags); - asm volatile( - "1: ldarx %0,0,%3\n" - "or %0,%0,%2\n" - "stdcx. %0,0,%3\n" - "bne- 1b" - : "=&r" (old), "+m" (*p) - : "r" (bit), "r" (p) - : "cc" ); - + set_bit(63 - virq, &pd->bmp.mask); lv1_did_update_interrupt_mask(pd->ppe_id, pd->thread_id); local_irq_restore(flags); } |
