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reset: renesas: Check return value of reset_control_deassert()

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[ Upstream commit da18980a855edf44270f05455e0ec3f2472f64cc ]

Deasserting the reset is vital, therefore bail out in case of error.

Suggested-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/b2131908-0110-006b-862f-080517f3e2d8@gmail.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Heiner Kallweit 2021-12-15 11:25:46 +01:00 committed by Greg Kroah-Hartman
parent 70fa727835
commit a6ec9d95c2
1 changed files with 3 additions and 1 deletions
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4
drivers/reset/reset-rzg2l-usbphy-ctrl.c
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@ -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;