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usb: chipidea: imx: refine the error handling for hsic

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- -EPROBE_DEFER is an error, but without need show error message
- If pintrol is not existed, as pintrol is NULL

Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Peter Chen 2019-10-10 08:59:14 +08:00
parent 7d5ec335f9
commit 3f4aad6e1a
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GPG Key ID: 4859298150D671BB
1 changed files with 9 additions and 6 deletions
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15
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -330,8 +330,11 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
pdata.flags |= CI_HDRC_IMX_IS_HSIC;
data->usbmisc_data->hsic = 1;
data->pinctrl = devm_pinctrl_get(dev);
if (IS_ERR(data->pinctrl)) {
dev_err(dev, "pinctrl get failed, err=%ld\n",
if (PTR_ERR(data->pinctrl) == -ENODEV)
data->pinctrl = NULL;
else if (IS_ERR(data->pinctrl)) {
if (PTR_ERR(data->pinctrl) != -EPROBE_DEFER)
dev_err(dev, "pinctrl get failed, err=%ld\n",
PTR_ERR(data->pinctrl));
return PTR_ERR(data->pinctrl);
}
@ -361,13 +364,13 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
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) {
if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
/* no pad regualator is needed */
data->hsic_pad_regulator = NULL;
} else if (IS_ERR(data->hsic_pad_regulator)) {
dev_err(dev, "Get HSIC pad regulator error: %ld\n",
if (PTR_ERR(data->hsic_pad_regulator) != -EPROBE_DEFER)
dev_err(dev,
"Get HSIC pad regulator error: %ld\n",
PTR_ERR(data->hsic_pad_regulator));
return PTR_ERR(data->hsic_pad_regulator);
}