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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2010-02-18 16:57:38 +0300 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2010-03-04 10:42:58 -0600 |
| commit | 0e5d359cca2d685311c4eaeb570f2e7e7915da31 (patch) | |
| tree | 91048ce4c5a917777da6851d533fd9a0dc1ce75f /arch/powerpc | |
| parent | 7e026f72cf05137e0b52b7aa5420e95a76bd3195 (diff) | |
| download | kernel_samsung_crespo-0e5d359cca2d685311c4eaeb570f2e7e7915da31.zip kernel_samsung_crespo-0e5d359cca2d685311c4eaeb570f2e7e7915da31.tar.gz kernel_samsung_crespo-0e5d359cca2d685311c4eaeb570f2e7e7915da31.tar.bz2 | |
powerpc/82xx: Convert pci_pic_lock to raw_spinlock
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 <avorontsov@ru.mvista.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | 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); } } |