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Blackfin: add dma_disable_irq_nosync() API for irq handlers 

Some IRQ handlers need to disable a DMA channel without waiting.

Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Barry Song 2010-01-22 10:07:30 +00:00 committed by Mike Frysinger
parent 3750411fb7
commit 4ab069e535
1 changed files with 4 additions and 0 deletions
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4
arch/blackfin/include/asm/dma.h
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@ -262,6 +262,10 @@ static inline void dma_disable_irq(unsigned int channel)
{
disable_irq(dma_ch[channel].irq);
}
static inline void dma_disable_irq_nosync(unsigned int channel)
{
disable_irq_nosync(dma_ch[channel].irq);
}
static inline void dma_enable_irq(unsigned int channel)
{
enable_irq(dma_ch[channel].irq);