On Fri, Dec 20, 2013 at 03:52:06PM +0800, Peter Chen wrote:
> It is used to access un-regulator registers according to
> different controllers.
>
> Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> ---
> drivers/usb/phy/phy-mxs-usb.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
> index f28bdd8..09ece2b 100644
> --- a/drivers/usb/phy/phy-mxs-usb.c
> +++ b/drivers/usb/phy/phy-mxs-usb.c
> @@ -111,6 +111,7 @@ struct mxs_phy {
> struct clk *clk;
> const struct mxs_phy_data *data;
> struct regmap *regmap_anatop;
> + int port_id;
> };
>
> static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
> @@ -237,6 +238,13 @@ static int mxs_phy_probe(struct platform_device *pdev)
> return -ENOMEM;
> }
>
> + ret = of_alias_get_id(np, "usbphy");
> + if (ret < 0) {
> + dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret);
> + return ret;
> + }
It has the same compatibility issue with an old DTB. In case the alias
is not found, we should keep driver work in the existing way rather than
failing out.
Shawn
> + mxs_phy->port_id = ret;
> +
> mxs_phy->phy.io_priv = base;
> mxs_phy->phy.dev = &pdev->dev;
> mxs_phy->phy.label = DRIVER_NAME;
> --
> 1.7.8
>
>
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