This is a note to let you know that I've just added the patch titled
reset: renesas: Check return value of reset_control_deassert()
to the 5.17-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:
reset-renesas-check-return-value-of-reset_control_de.patch
and it can be found in the queue-5.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3151dfe440a3997846624defd8985d6632a0d1ba
Author: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Date: Wed Dec 15 11:25:46 2021 +0100
reset: renesas: Check return value of reset_control_deassert()
[ Upstream commit da18980a855edf44270f05455e0ec3f2472f64cc ]
Deasserting the reset is vital, therefore bail out in case of error.
Suggested-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@xxxxxxxxx
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index 1e8315038850..a8dde4606360 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
return dev_err_probe(dev, PTR_ERR(priv->rstc),
"failed to get reset\n");
- reset_control_deassert(priv->rstc);
+ error = reset_control_deassert(priv->rstc);
+ if (error)
+ return error;
priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
priv->rcdev.of_reset_n_cells = 1;
