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SubjectRe: [PATCH 1/3] i2c: uniphier-f: make driver robust against concurrency
On Tue, Oct 16, 2018 at 12:01:47PM +0900, Masahiro Yamada wrote:
> This is unlikely to happen, but it is possible for a CPU to enter
> the interrupt handler just after wait_for_completion_timeout() has
> expired. If this happens, the hardware is accessed from multiple
> contexts concurrently.
> Disable the IRQ after wait_for_completion_timeout(), and do nothing
> from the handler when the IRQ is disabled.
> Fixes: 6a62974b667f ("i2c: uniphier_f: add UniPhier FIFO-builtin I2C driver")
> Signed-off-by: Masahiro Yamada <>

Applied to for-next, thanks!

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