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由 Russell King 提交于
For ARMv7 kernels running in the non-secure world, writing to the auxillary control register causes an abort, so we must avoid directly writing the auxillary control register. If the ACR has already been reinitialized by SoC code, don't try to restore it. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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