[PATCH v14 27/38] phy: rockchip: usbdp: Only enable USB3 when not in high-speed mode
Sebastian Reichel <[email protected]>
| Newsgroups | org.infradead.lists.linux-rockchip,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-phy,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-usb |
|---|---|
| Message-ID | <20260813-rockchip-usbdp-cleanup-v14-27-b5ad9c68fa11@collabora.com> |
Ensure that USB3 mode is not accidently enabled during PHY re-init
for systems that are configured as high-speed only via DT.
Fixes: 2f70bbddeb45 ("phy: rockchip: add usbdp combo phy driver")
Reported-by: Sashiko <[email protected]>
Closes: https://sashiko.dev/#/message/20260626212424.C215E1F000E9%40smtp.kernel.org
Tested-by: Igor Paunovic <[email protected]> # Orange Pi 5 Plus
Signed-off-by: Sebastian Reichel <[email protected]>
---
drivers/phy/rockchip/phy-rockchip-usbdp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rockchip/phy-rockchip-usbdp.c
index 701c92ed6e2d..59b836a3796c 100644
--- a/drivers/phy/rockchip/phy-rockchip-usbdp.c
+++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c
@@ -1009,7 +1009,7 @@ static int rk_udphy_power_on(struct rk_udphy *udphy, u8 mode)
if (ret)
return ret;
- if (udphy->mode & UDPHY_MODE_USB)
+ if (!udphy->hs && udphy->mode & UDPHY_MODE_USB)
rk_udphy_u3_port_disable(udphy, false);
udphy->phy_needs_reinit = false;
} else if (udphy->phy_needs_reinit) {
--
2.53.0
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