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author | Per Forlin <per.forlin@stericsson.com> | 2011-09-28 09:32:20 +0200 |
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committer | Fabio Baltieri <fabio.baltieri@linaro.org> | 2013-01-14 10:50:15 +0100 |
commit | 8a5d2039ab9050a8a2e649eaf3ca4e372a7709f1 (patch) | |
tree | 8b597cd23c8a58c6a0ff33da85a9bb4b7553c8da /drivers/dma/txx9dmac.h | |
parent | 0fd602235dd702d16722857da748d15c26b81ed1 (diff) | |
download | op-kernel-dev-8a5d2039ab9050a8a2e649eaf3ca4e372a7709f1.zip op-kernel-dev-8a5d2039ab9050a8a2e649eaf3ca4e372a7709f1.tar.gz |
dmaengine: ste_dma40: use writel_relaxed for lcxa
lcpa and lcla are written often and the cache_sync() overhead in writel
is costly, especially for wlan where every single network packet (in RX
mode) corresponds to a separate DMA transfer.
Signed-off-by: Per Forlin <per.forlin@stericsson.com>
Reviewed-by: Narayanan Gopalakrishnan <narayanan.gopalakrishnan@stericsson.com>
Reviewed-by: Rabin Vincent <rabin.vincent@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Diffstat (limited to 'drivers/dma/txx9dmac.h')
0 files changed, 0 insertions, 0 deletions