Messages in this thread Patch in this message | | | From | Chen-Yu Tsai <> | Subject | [PATCH 2/2] usb: core: Try generic PHY_MODE_USB_HOST if usb_phy_roothub_set_mode fails | Date | Fri, 22 Mar 2019 16:51:08 +0800 |
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From: Chen-Yu Tsai <wens@csie.org>
Some PHYs do not support PHY_MODE_USB_HOST_SS, i.e. USB 3.0 or higher. Fall back and try the more generic PHY_MODE_USB_HOST if it fails.
Fixes: b97a31348379 ("usb: core: comply to PHY framework") Signed-off-by: Chen-Yu Tsai <wens@csie.org> --- drivers/usb/core/hcd.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3189181bb628..975d7c1288e3 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2741,6 +2741,9 @@ int usb_add_hcd(struct usb_hcd *hcd, retval = usb_phy_roothub_set_mode(hcd->phy_roothub, PHY_MODE_USB_HOST_SS); + if (retval) + retval = usb_phy_roothub_set_mode(hcd->phy_roothub, + PHY_MODE_USB_HOST); if (retval) goto err_usb_phy_roothub_power_on; -- 2.20.1
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