projects / platform / kernel / linux-rpi.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: e991c06) | patch
dmaengine: sf-pdma: remove redundant irqsave and irqrestore in hardIRQ
authorBarry Song <song.bao.hua@hisilicon.com>
Tue, 27 Oct 2020 21:52:45 +0000 (10:52 +1300)
committerVinod Koul <vkoul@kernel.org>
Mon, 9 Nov 2020 11:55:54 +0000 (17:25 +0530)
commit302b3b38236a70bffb13f3a90a52bd630841aa90
tree30533c2eb19dbde30f74c79566cc1b5f8de68de2tree | snapshot
parente991c06ed714c64d3d79696513370f894a4ab751commit | diff
dmaengine: sf-pdma: remove redundant irqsave and irqrestore in hardIRQ

Running in hardIRQ, disabling IRQ is redundant since hardIRQ has disabled
IRQ. This patch removes the irqsave and irqstore to save some instruction
cycles.

Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
Cc: Green Wan <green.wan@sifive.com>
Link: https://lore.kernel.org/r/20201027215252.25820-4-song.bao.hua@hisilicon.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/sf-pdma/sf-pdma.c diff | blob | history
Domain: System / Kernel;