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由 Felipe Balbi 提交于
if we would reach serial_omap_get_char() while Data Ready bit isn't set, we would return from it without kicking our pm timer. This would mean we would, eventually, have an unbalanced pm_runtime_get on our device which would prevent it from ever sleeping again. Tested-by: NShubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: NFelipe Balbi <balbi@ti.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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