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 5.15-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-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5660907658027ff8cb4a250ddf3f9413881b6dc3 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;