pmac_pic_lock needs to be a real spinlock in RT. Convert it to raw_spinlock. Signed-off-by: Thomas Gleixner --- arch/powerpc/platforms/powermac/pic.c | 38 +++++++++++++++++----------------- 1 file changed, 19 insertions(+), 19 deletions(-) Index: linux-2.6-tip/arch/powerpc/platforms/powermac/pic.c =================================================================== --- linux-2.6-tip.orig/arch/powerpc/platforms/powermac/pic.c +++ linux-2.6-tip/arch/powerpc/platforms/powermac/pic.c @@ -57,7 +57,7 @@ static int max_irqs; static int max_real_irqs; static u32 level_mask[4]; -static DEFINE_SPINLOCK(pmac_pic_lock); +static DEFINE_RAW_SPINLOCK(pmac_pic_lock); #define NR_MASK_WORDS ((NR_IRQS + 31) / 32) static unsigned long ppc_lost_interrupts[NR_MASK_WORDS]; @@ -85,7 +85,7 @@ static void pmac_mask_and_ack_irq(unsign int i = src >> 5; unsigned long flags; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); __clear_bit(src, ppc_cached_irq_mask); if (__test_and_clear_bit(src, ppc_lost_interrupts)) atomic_dec(&ppc_n_lost_interrupts); @@ -97,7 +97,7 @@ static void pmac_mask_and_ack_irq(unsign mb(); } while((in_le32(&pmac_irq_hw[i]->enable) & bit) != (ppc_cached_irq_mask[i] & bit)); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); } static void pmac_ack_irq(unsigned int virq) @@ -107,12 +107,12 @@ static void pmac_ack_irq(unsigned int vi int i = src >> 5; unsigned long flags; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); if (__test_and_clear_bit(src, ppc_lost_interrupts)) atomic_dec(&ppc_n_lost_interrupts); out_le32(&pmac_irq_hw[i]->ack, bit); (void)in_le32(&pmac_irq_hw[i]->ack); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); } static void __pmac_set_irq_mask(unsigned int irq_nr, int nokicklost) @@ -152,12 +152,12 @@ static unsigned int pmac_startup_irq(uns unsigned long bit = 1UL << (src & 0x1f); int i = src >> 5; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); if ((irq_to_desc(virq)->status & IRQ_LEVEL) == 0) out_le32(&pmac_irq_hw[i]->ack, bit); __set_bit(src, ppc_cached_irq_mask); __pmac_set_irq_mask(src, 0); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); return 0; } @@ -167,10 +167,10 @@ static void pmac_mask_irq(unsigned int v unsigned long flags; unsigned int src = irq_map[virq].hwirq; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); __clear_bit(src, ppc_cached_irq_mask); __pmac_set_irq_mask(src, 1); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); } static void pmac_unmask_irq(unsigned int virq) @@ -178,19 +178,19 @@ static void pmac_unmask_irq(unsigned int unsigned long flags; unsigned int src = irq_map[virq].hwirq; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); __set_bit(src, ppc_cached_irq_mask); __pmac_set_irq_mask(src, 0); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); } static int pmac_retrigger(unsigned int virq) { unsigned long flags; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); __pmac_retrigger(irq_map[virq].hwirq); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); return 1; } @@ -210,7 +210,7 @@ static irqreturn_t gatwick_action(int cp int irq, bits; int rc = IRQ_NONE; - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) { int i = irq >> 5; bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; @@ -220,12 +220,12 @@ static irqreturn_t gatwick_action(int cp if (bits == 0) continue; irq += __ilog2(bits); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); generic_handle_irq(irq); - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); rc = IRQ_HANDLED; } - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); return rc; } @@ -244,7 +244,7 @@ static unsigned int pmac_pic_get_irq(voi return NO_IRQ_IGNORE; /* ignore, already handled */ } #endif /* CONFIG_SMP */ - spin_lock_irqsave(&pmac_pic_lock, flags); + raw_spin_lock_irqsave(&pmac_pic_lock, flags); for (irq = max_real_irqs; (irq -= 32) >= 0; ) { int i = irq >> 5; bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; @@ -256,7 +256,7 @@ static unsigned int pmac_pic_get_irq(voi irq += __ilog2(bits); break; } - spin_unlock_irqrestore(&pmac_pic_lock, flags); + raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); if (unlikely(irq < 0)) return NO_IRQ; return irq_linear_revmap(pmac_pic_host, irq);