On Thu, Jul 11, 2013 at 02:27:10PM +0800, Peter Chen wrote:
> Since we have added vbus reguatlor operation at common
> host file (chipidea/host.c), the glue layer vbus operation
> isn't needed any more.
>
> Signed-off-by: Peter Chen <peter.c...@freescale.com>
> ---
> drivers/usb/chipidea/ci_hdrc_imx.c | 30 +++++++-----------------------
> 1 files changed, 7 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c
> b/drivers/usb/chipidea/ci_hdrc_imx.c
> index 14362c0..d06355e 100644
> --- a/drivers/usb/chipidea/ci_hdrc_imx.c
> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c
> @@ -31,7 +31,6 @@ struct ci_hdrc_imx_data {
> struct usb_phy *phy;
> struct platform_device *ci_pdev;
> struct clk *clk;
> - struct regulator *reg_vbus;
> };
>
> static const struct usbmisc_ops *usbmisc_ops;
> @@ -141,22 +140,13 @@ static int ci_hdrc_imx_probe(struct platform_device
> *pdev)
> goto err_clk;
> }
>
> - /* we only support host now, so enable vbus here */
> - data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
> - if (!IS_ERR(data->reg_vbus)) {
> - ret = regulator_enable(data->reg_vbus);
> - if (ret) {
> - dev_err(&pdev->dev,
> - "Failed to enable vbus regulator, err=%d\n",
> - ret);
> - goto err_clk;
> - }
> - } else {
> - data->reg_vbus = NULL;
> - }
> -
> pdata.phy = data->phy;
>
> + /* Get the vbus regulator */
> + pdata.reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
> + if (IS_ERR(pdata.reg_vbus))
> + pdata.reg_vbus = NULL;
I think you should bail out at least in the -EPROBE_DEFER case.
Sascha
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