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(parent: 53c0634) | patch
dmaengine: pl330: Limit MFIFO usage for memcpy to avoid exhausting entries
authorJon Medhurst <tixy@linaro.org>
Fri, 7 Nov 2014 18:05:18 +0000 (18:05 +0000)
committerVinod Koul <vinod.koul@intel.com>
Mon, 17 Nov 2014 07:31:20 +0000 (13:01 +0530)
commitb9e47d9d77b566408734f4151fad63e60fdc80b1
tree6ef10fba0dd31fc5b14dec0eed88d73a9f4f9994tree | snapshot
parent53c06342483ecf70b768941035791346888be9b1commit | diff
dmaengine: pl330: Limit MFIFO usage for memcpy to avoid exhausting entries

The MFIFO is shared by all channels so restrict each memcpy to it's fair
share. This is being over cautious, but without a global view of DMA
channel usage on a system it's not possible to come up with a more
optimum safe limit.

Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/pl330.c diff | blob | history
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