The 'gpio_reset' field was implicitly set to zero, which is a valid GPIO line and results in the NOP PHY layer trying to request it. Instead, the AM335x SoC need special USB PHY reset handling so let's set 'gpio_reset' to EINVAL and prevent the NOP PHY from messing with it. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx> --- Commit bd27fa44e13830d2baa278d5702e766380659cb3 (usb: phy: generic: Don't use regulator framework for RESET line) introduced this. drivers/usb/phy/phy-am335x.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c index 6370e50..7fff9f3 100644 --- a/drivers/usb/phy/phy-am335x.c +++ b/drivers/usb/phy/phy-am335x.c @@ -43,6 +43,9 @@ static int am335x_phy_probe(struct platform_device *pdev) if (!am_phy) return -ENOMEM; + /* Prevent GPIO Reset from the Generic PHY */ + am_phy->usb_phy_gen.gpio_reset = -EINVAL; + am_phy->phy_ctrl = am335x_get_phy_control(dev); if (!am_phy->phy_ctrl) return -EPROBE_DEFER; -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
