This is a note to let you know that I've just added the patch titled
phy: rockchip-inno-usb2: Fix missing clk_disable_unprepare() in rockchip_usb2phy_power_on()
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
phy-rockchip-inno-usb2-fix-missing-clk_disable_unpre.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c6a4e67a680a27c82c41e89e150739578d0a5660
Author: Shang XiaoJing <shangxiaojing@xxxxxxxxxx>
Date: Mon Dec 5 19:58:23 2022 +0800
phy: rockchip-inno-usb2: Fix missing clk_disable_unprepare() in rockchip_usb2phy_power_on()
[ Upstream commit 5daba914da0e48950e9407ea4d75fa57029c9adc ]
The clk_disable_unprepare() should be called in the error handling of
rockchip_usb2phy_power_on().
Fixes: 0e08d2a727e6 ("phy: rockchip-inno-usb2: add a new driver for Rockchip usb2phy")
Signed-off-by: Shang XiaoJing <shangxiaojing@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221205115823.16957-1-shangxiaojing@xxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 5049dac79bd0..77c1c3ffaed7 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -477,8 +477,10 @@ static int rockchip_usb2phy_power_on(struct phy *phy)
return ret;
ret = property_enable(base, &rport->port_cfg->phy_sus, false);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(rphy->clk480m);
return ret;
+ }
/* waiting for the utmi_clk to become stable */
usleep_range(1500, 2000);
