[PATCH 7/7] S3C64XX DMA: AUTOSTART flag implementation
From: Jassi <hidden>
Date: 2009-09-15 10:01:25
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Implemented the S3C2410_DMAF_AUTOSTART flag as is available for S3C24XX Dma driver. Signed-Off-by: Jassi <redacted> --- arch/arm/mach-s3c6400/include/mach/dma.h | 1 + arch/arm/plat-s3c64xx/dma.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s3c6400/include/mach/dma.h b/arch/arm/mach-s3c6400/include/mach/dma.h
index 1067619..b96e663 100644
--- a/arch/arm/mach-s3c6400/include/mach/dma.h
+++ b/arch/arm/mach-s3c6400/include/mach/dma.h@@ -67,6 +67,7 @@ static __inline__ int s3c_dma_has_circular(void) } #define S3C2410_DMAF_CIRCULAR (1 << 0) +#define S3C2410_DMAF_AUTOSTART (1 << 1) #include <plat/dma.h>
diff --git a/arch/arm/plat-s3c64xx/dma.c b/arch/arm/plat-s3c64xx/dma.c
index 727072b..49bcfb8 100644
--- a/arch/arm/plat-s3c64xx/dma.c
+++ b/arch/arm/plat-s3c64xx/dma.c@@ -394,6 +394,9 @@ int s3c2410_dma_enqueue(unsigned int channel, void *id, chan->end = buff; s3c64xx_lli_to_regs(chan, lli); + + if (chan->flags & S3C2410_DMAF_AUTOSTART) + return s3c2410_dma_ctrl(channel, S3C2410_DMAOP_START); } local_irq_restore(flags);
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1.6.2.5