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authorRussell King - ARM Linux <linux@arm.linux.org.uk>2012-03-06 23:34:06 +0100
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-13 07:06:06 +0100
commit4d4e58de32a192fea65ab84509d17d199bd291c8 (patch)
treebe35531778c9cc6bee73beb94d07e176a6f3599d /drivers/dma/mv_xor.h
parentdmaengine: mv_xor: remove write-only is_complete_cookie (diff)
downloadlinux-4d4e58de32a192fea65ab84509d17d199bd291c8.tar.xz
linux-4d4e58de32a192fea65ab84509d17d199bd291c8.zip
dmaengine: move last completed cookie into generic dma_chan structure
Every DMA engine implementation declares a last completed dma cookie in their private dma channel structures. This is pointless, and forces driver specific code. Move this out into the common dma_chan structure. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> [imx-sdma.c & mxs-dma.c] Tested-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/mv_xor.h')
-rw-r--r--drivers/dma/mv_xor.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h
index da04ac23def3..654876b7ba1d 100644
--- a/drivers/dma/mv_xor.h
+++ b/drivers/dma/mv_xor.h
@@ -78,7 +78,6 @@ struct mv_xor_device {
/**
* struct mv_xor_chan - internal representation of a XOR channel
* @pending: allows batching of hardware operations
- * @completed_cookie: identifier for the most recently completed operation
* @lock: serializes enqueue/dequeue operations to the descriptors pool
* @mmr_base: memory mapped register base
* @idx: the index of the xor channel
@@ -93,7 +92,6 @@ struct mv_xor_device {
*/
struct mv_xor_chan {
int pending;
- dma_cookie_t completed_cookie;
spinlock_t lock; /* protects the descriptor slot pool */
void __iomem *mmr_base;
unsigned int idx;