From: Barry Song <barry.song@analog.com>
Date: Fri, 22 Jan 2010 10:07:30 +0000 (+0000)
Subject: Blackfin: add dma_disable_irq_nosync() API for irq handlers
X-Git-Tag: firefly_0821_release~9833^2~2554^2~37
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4ab069e5356bae71dda2ce6bb2b2a62a34f2bf25;p=firefly-linux-kernel-4.4.55.git

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>
---

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);