From: Andy Shevchenko Date: Mon, 13 Jun 2022 16:08:48 +0000 (+0300) Subject: phy: ti: tusb1210: Don't check for write errors when powering on X-Git-Tag: v6.6.17~6911^2~5^2~66 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d4a0a189b72a7c98e4256292b18b67c69fbc9343;p=platform%2Fkernel%2Flinux-rpi.git phy: ti: tusb1210: Don't check for write errors when powering on On some platforms, like Intel Merrifield, the writing values during power on may timeout: tusb1210 dwc3.0.auto.ulpi: error -110 writing val 0x41 to reg 0x80 phy phy-dwc3.0.auto.ulpi.0: phy poweron failed --> -110 dwc3 dwc3.0.auto: error -ETIMEDOUT: failed to initialize core dwc3: probe of dwc3.0.auto failed with error -110 which effectively fails the probe of the USB controller. Drop the check as it was before the culprit commit (see Fixes tag). Fixes: 09a3512681b3 ("phy: ti: tusb1210: Improve ulpi_read()/_write() error checking") Signed-off-by: Andy Shevchenko Acked-by: Hans de Goede Tested-by: Ferry Toth Link: https://lore.kernel.org/r/20220613160848.82746-1-andriy.shevchenko@linux.intel.com Signed-off-by: Vinod Koul --- diff --git a/drivers/phy/ti/phy-tusb1210.c b/drivers/phy/ti/phy-tusb1210.c index c3ab4b6..669c13d 100644 --- a/drivers/phy/ti/phy-tusb1210.c +++ b/drivers/phy/ti/phy-tusb1210.c @@ -105,8 +105,9 @@ static int tusb1210_power_on(struct phy *phy) msleep(TUSB1210_RESET_TIME_MS); /* Restore the optional eye diagram optimization value */ - return tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2, - tusb->vendor_specific2); + tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2, tusb->vendor_specific2); + + return 0; } static int tusb1210_power_off(struct phy *phy)