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authorBarry Song <barry.song@analog.com>2010-01-22 11:07:30 +0100
committerMike Frysinger <vapier@gentoo.org>2010-03-09 06:30:50 +0100
commit4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25 (patch)
tree3ff228e89253d39f3b8d0ba6be36804029d0bbe9
parentBlackfin: fix whitespace damage in thread_info.h (diff)
downloadlinux-4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25.tar.xz
linux-4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25.zip
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>
-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 bd2e62243abe..2c09b1d50ec9 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);