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authorSam Protsenko <semen.protsenko@linaro.org>2021-12-12 20:10:57 +0200
committerWolfram Sang <wsa@kernel.org>2021-12-16 22:21:27 +0100
commitac18935d2e5130744b9675f6fb72acb783f86d77 (patch)
tree1f8769a9705e7522223e42d0dcb5b9d962a07776 /drivers/firmware
parent2759181d9a131a2334211637eb56db3de2e7d84c (diff)
downloadlinux-ac18935d2e5130744b9675f6fb72acb783f86d77.tar.gz
i2c: exynos5: Fix getting the optional clock
"hsi2c_pclk" clock is optional and may not be present for some SoCs
supported by this driver. Nevertheless, in case the clock is provided
but some error happens during its getting, that error should be handled
properly. Use devm_clk_get_optional() API for that. Also report possible
errors using dev_err_probe() to handle properly -EPROBE_DEFER error (if
clock provider is not ready by the time I2C probe function is executed).

Fixes: 697ad2490c96 ("i2c: exynos5: Add bus clock support")
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Chanho Park <chanho61.park@samsung.com>
[wsa: fixed SHA1 of Fixes tag]
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/firmware')
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