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authorBarry Song <barry.song@analog.com>2010-01-22 10:07:30 +0000
committerMike Frysinger <vapier@gentoo.org>2010-03-09 00:30:50 -0500
commit4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25 (patch)
tree3ff228e89253d39f3b8d0ba6be36804029d0bbe9 /arch/blackfin
parent3750411fb7ca96dd11ce8a63f213b60bfe4b5c29 (diff)
downloadop-kernel-dev-4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25.zip
op-kernel-dev-4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25.tar.gz
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>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/include/asm/dma.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index bd2e622..2c09b1d 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -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);
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