diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_imx.c | 63 |
1 files changed, 35 insertions, 28 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index c34fcc079cd4..d8e7eb2f97b9 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -274,11 +274,14 @@ static int ci_hdrc_imx_notify_event(struct ci_hdrc *ci, unsigned int event) switch (event) { case CI_HDRC_IMX_HSIC_ACTIVE_EVENT: - ret = pinctrl_select_state(data->pinctrl, - data->pinctrl_hsic_active); - if (ret) - dev_err(dev, "hsic_active select failed, err=%d\n", - ret); + if (data->pinctrl) { + ret = pinctrl_select_state(data->pinctrl, + data->pinctrl_hsic_active); + if (ret) + dev_err(dev, + "hsic_active select failed, err=%d\n", + ret); + } break; case CI_HDRC_IMX_HSIC_SUSPEND_EVENT: ret = imx_usbmisc_hsic_set_connect(data->usbmisc_data); @@ -306,7 +309,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) const struct ci_hdrc_imx_platform_flag *imx_platform_flag; struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; - struct pinctrl_state *pinctrl_hsic_idle; of_id = of_match_device(ci_hdrc_imx_dt_ids, dev); if (!of_id) @@ -339,6 +341,33 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) return PTR_ERR(data->pinctrl); } + data->hsic_pad_regulator = + devm_regulator_get_optional(dev, "hsic"); + 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)) { + 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); + } + + if (data->hsic_pad_regulator) { + ret = regulator_enable(data->hsic_pad_regulator); + if (ret) { + dev_err(dev, + "Failed to enable HSIC pad regulator\n"); + return ret; + } + } + } + + /* HSIC pinctrl handling */ + if (data->pinctrl) { + struct pinctrl_state *pinctrl_hsic_idle; + pinctrl_hsic_idle = pinctrl_lookup_state(data->pinctrl, "idle"); if (IS_ERR(pinctrl_hsic_idle)) { dev_err(dev, @@ -361,28 +390,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) PTR_ERR(data->pinctrl_hsic_active)); return PTR_ERR(data->pinctrl_hsic_active); } - - data->hsic_pad_regulator = - devm_regulator_get_optional(dev, "hsic"); - 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)) { - 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); - } - - if (data->hsic_pad_regulator) { - ret = regulator_enable(data->hsic_pad_regulator); - if (ret) { - dev_err(dev, - "Failed to enable HSIC pad regulator\n"); - return ret; - } - } } if (pdata.flags & CI_HDRC_PMQOS) |