This is a note to let you know that I've just added the patch titled
phy: qcom-qmp-usb: initialize PCS_USB registers
to the 6.5-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-qcom-qmp-usb-initialize-pcs_usb-registers.patch
and it can be found in the queue-6.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 95cbd34b914f888d93f1644214d146a158835872
Author: Adrien Thierry <athierry@xxxxxxxxxx>
Date: Mon Aug 28 11:23:50 2023 -0400
phy: qcom-qmp-usb: initialize PCS_USB registers
[ Upstream commit 2d3465a75c9f83684d17da6807423824bf260524 ]
Currently, PCS_USB registers that have their initialization data in a
pcs_usb_tbl table are never initialized. Fix that.
Fixes: fc64623637da ("phy: qcom-qmp-combo,usb: add support for separate PCS_USB region")
Signed-off-by: Adrien Thierry <athierry@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230828152353.16529-2-athierry@xxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
index 466f0a56c82e1..f9cb60f12575b 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
@@ -2233,6 +2233,7 @@ static int qmp_usb_power_on(struct phy *phy)
void __iomem *tx = qmp->tx;
void __iomem *rx = qmp->rx;
void __iomem *pcs = qmp->pcs;
+ void __iomem *pcs_usb = qmp->pcs_usb;
void __iomem *status;
unsigned int val;
int ret;
@@ -2256,6 +2257,9 @@ static int qmp_usb_power_on(struct phy *phy)
qmp_usb_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);
+ if (pcs_usb)
+ qmp_usb_configure(pcs_usb, cfg->pcs_usb_tbl, cfg->pcs_usb_tbl_num);
+
if (cfg->has_pwrdn_delay)
usleep_range(10, 20);
