diff options
| author | Russell King - ARM Linux <linux@arm.linux.org.uk> | 2012-03-06 22:34:06 +0000 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-03 09:35:53 -0700 |
| commit | 0ca3ff10db648a38b0aeb219a19980fec6ae5135 (patch) | |
| tree | f8b0624510b32a13a1e69969239c36de813dd252 /arch/arm/include | |
| parent | b7ce7f54652d73d6fc1f787dfb4aeec3f475a17f (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 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/hardware/iop_adma.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm/include/asm/hardware/iop_adma.h b/arch/arm/include/asm/hardware/iop_adma.h index 59b8c3892f76..122f86d8c991 100644 --- a/arch/arm/include/asm/hardware/iop_adma.h +++ b/arch/arm/include/asm/hardware/iop_adma.h @@ -49,7 +49,6 @@ struct iop_adma_device { /** * struct iop_adma_chan - internal representation of an ADMA device * @pending: allows batching of hardware operations - * @completed_cookie: identifier for the most recently completed operation * @lock: serializes enqueue/dequeue operations to the slot pool * @mmr_base: memory mapped register base * @chain: device chain view of the descriptors @@ -62,7 +61,6 @@ struct iop_adma_device { */ struct iop_adma_chan { int pending; - dma_cookie_t completed_cookie; spinlock_t lock; /* protects the descriptor slot pool */ void __iomem *mmr_base; struct list_head chain; |