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usb: chipidea: imx: improve logic if samsung,picophy-* parameter is 0
commit 3666851 upstream. In current driver, the value of tuning parameter will not take effect if samsung,picophy-* is assigned as 0. Because 0 is also a valid value acccording to the description of USB_PHY_CFG1 register, this will improve the logic to let it work. Fixes: 58a3cef ("usb: chipidea: imx: add two samsung picophy parameters tuning implementation") cc: <stable@vger.kernel.org> Signed-off-by: Xu Yang <xu.yang_2@nxp.com> Acked-by: Peter Chen <peter.chen@kernel.org> Link: https://lore.kernel.org/r/20230627112126.1882666-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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