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authorKedareswara rao Appana <appana.durga.rao@xilinx.com>2017-12-07 10:51:02 +0530
committerVinod Koul <vinod.koul@intel.com>2017-12-18 10:44:09 +0530
commit21e02a3e05cfd3994ca598a5c9c2e1795007b603 (patch)
treea0dbb05b182e949b1c2515b90b4a40e2481c4125 /fs/nfsd/nfscache.c
parent5ba080aada5e739165e0f38d5cc3b04c82b323c8 (diff)
downloadlinux-21e02a3e05cfd3994ca598a5c9c2e1795007b603.tar.gz
dmaengine: xilinx_dma: Check for channel idle state before submitting dma descriptor
Add variable for checking channel idle state to ensure that dma
descriptor is not submitted when dmaengine is in progress.

This will avoid the polling for a bit in the status register to know
dma state in the driver hot path.

Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'fs/nfsd/nfscache.c')
0 files changed, 0 insertions, 0 deletions