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authorLaxman Dewangan <ldewangan@nvidia.com>2012-06-20 18:06:34 +0530
committerStephen Warren <swarren@nvidia.com>2012-07-06 11:48:56 -0600
commitb861c275ea5cfeab32241c3c92a203579d5699ff (patch)
tree42f5a062a8c5856681d56aa8eda0d0fbb13220ac /arch/parisc/kernel/irq.c
parent702b0e4f2f2782962aab7d9a0a40ad68770bb1f6 (diff)
downloadtalos-op-linux-b861c275ea5cfeab32241c3c92a203579d5699ff.tar.gz
talos-op-linux-b861c275ea5cfeab32241c3c92a203579d5699ff.zip
ARM: tegra: apbio access using dma for tegra20 only
The Tegra20 HW issue with accessing APBIO registers (such as fuse registers) directly from the CPU concurrently with APB DMA accesses has been fixed in Tegra30 and later chips. Access these registers directly from the CPU on Tegra30 and later, and apply the workaround only for Tegra20. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Tested-by: Chaitanya Bandi <bandik@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
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