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commit1da4cbefedupstream. ACPM PMIC command handlers returned a u8 value when they should have returned either zero or negative error codes. Translate the APM PMIC errno to linux errno. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-input/aElHlTApXj-W_o1r@stanley.mountain/ Fixes:a88927b534("firmware: add Exynos ACPM protocol driver") Cc: stable@vger.kernel.org Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>