Interrupt controllers' hooks are executed in the atomic context, so
they are not permitted to sleep (with RT kernels non-raw spinlocks are
sleepable). So, pci_pic_lock has to be a real (non-sleepable) spinlock.
Signed-off-by: Anton Vorontsov <avoront...@ru.mvista.com>
---
arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 9d962d7..d4a09f8 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -24,7 +24,7 @@
#include "pq2.h"
-static DEFINE_SPINLOCK(pci_pic_lock);
+static DEFINE_RAW_SPINLOCK(pci_pic_lock);
struct pq2ads_pci_pic {
struct device_node *node;
@@ -45,12 +45,12 @@ static void pq2ads_pci_mask_irq(unsigned int virq)
if (irq != -1) {
unsigned long flags;
- spin_lock_irqsave(&pci_pic_lock, flags);
+ raw_spin_lock_irqsave(&pci_pic_lock, flags);
setbits32(&priv->regs->mask, 1 << irq);
mb();
- spin_unlock_irqrestore(&pci_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
}
}
@@ -62,9 +62,9 @@ static void pq2ads_pci_unmask_irq(unsigned int virq)
if (irq != -1) {
unsigned long flags;
- spin_lock_irqsave(&pci_pic_lock, flags);
+ raw_spin_lock_irqsave(&pci_pic_lock, flags);
clrbits32(&priv->regs->mask, 1 << irq);
- spin_unlock_irqrestore(&pci_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
}
}
--
1.6.5.7
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