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arm64: zynqmp: Keep SMMU disabled by default
authorMubin Usman Sayyed <mubin.usman.sayyed@xilinx.com>
Wed, 5 Sep 2018 11:17:19 +0000 (16:47 +0530)
committerMichal Simek <michal.simek@xilinx.com>
Wed, 27 Feb 2019 07:53:07 +0000 (08:53 +0100)
commit76e44aaf40f2bb07df250a8c4f920108df15b64f
tree7e23288582753e76eb0f46c755d1d122b53a4f73tree
parent2c3f2141f576e1c8f03d94082d44f5edff69b415commit | diff
arm64: zynqmp: Keep SMMU disabled by default

SMMU adds overhead in mapping/un-mapping of DMA buffers. It
will degrade performance numbers for some of the peripherals.
Disabling SMMU to avoid the same.
Please check Xilinx documentation for more information.

Signed-off-by: Mubin Usman Sayyed <mubin.usman.sayyed@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
arch/arm/dts/zynqmp.dtsi diff | blob | blame | history
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