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authorRussell King - ARM Linux <linux@arm.linux.org.uk>2012-03-06 22:34:06 +0000
committerSimone Willett <swillett@nvidia.com>2012-04-03 09:35:53 -0700
commit0ca3ff10db648a38b0aeb219a19980fec6ae5135 (patch)
treef8b0624510b32a13a1e69969239c36de813dd252 /drivers/dma/mv_xor.h
parentb7ce7f54652d73d6fc1f787dfb4aeec3f475a17f (diff)
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> cherry-picked from mainline 4d4e58de32a192fea65ab84509d17d199bd291c8 Change-Id: Ib653bcfa5f492986946fd34006a8de3090db0441 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-on: http://git-master/r/93778
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 977b592e976b..4e4780e1b7e0 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;