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usb: chipidea: imx: change hsic power regulator as optional

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[ Upstream commit 7d5ec335f94e74e885ca2f6c97a3479fe9fe3b15 ]

Not every platform needs this regulator.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Stable-dep-of: 8c531e0a8c2d ("usb: chipidea: ci_hdrc_imx: implement usb_phy_init() error handling")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Chen 2019-10-10 08:40:46 +08:00 • committed by Greg Kroah-Hartman
commit 8604f11114
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -369,7 +369,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
return PTR_ERR(data->pinctrl_hsic_active);
}
data->hsic_pad_regulator = devm_regulator_get(dev, "hsic");
data->hsic_pad_regulator =
devm_regulator_get_optional(dev, "hsic");
if (PTR_ERR(data->hsic_pad_regulator) == -EPROBE_DEFER) {
return -EPROBE_DEFER;
} else if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {