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由 Mark Brown 提交于
Refactor so that register writes for configuration are only performed if the device has a regmap provided and also register as a platform driver. This allows the driver to be used to manage GPIO based control of the device. Signed-off-by: NMark Brown <broonie@linaro.org> Cc: devicetree@vger.kernel.org Reviewed-by: NDongjin Kim <tobetter@gmail.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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