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由 Chunyan Zhang 提交于
The sprd serial console can work with only 26M fixed clock, but the probe() is returning fail if the clock "enable" is not configured in device tree. This patch will fix the problem to let the uart device which is used for console can be initialized even missing "enable" clock configured in devicetree. We should make sure the debug function as available as we can. Signed-off-by: NChunyan Zhang <chunyan.zhang@unisoc.com> Signed-off-by: NChunyan Zhang <zhang.lyra@gmail.com> Reviewed-by: NBaolin Wang <baolin.wang@linaro.org> Tested-by: NBaolin Wang <baolin.wang@linaro.org> Link: https://lore.kernel.org/r/20190826072929.7696-4-zhang.lyra@gmail.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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