Re: [PATCH] phy: twl4030-usb: make driver DT only

From: Kishon Vijay Abraham I
Date: Tue Nov 15 2016 - 08:21:00 EST


Hi,

On Saturday 12 November 2016 04:09 PM, Nicolae Rosia wrote:
> All users are DT-only and it makes no sense to keep
> unused code

Are you sure about this? I still see a bunch of board files in mach-omap2 using
twl4030.

Thanks
Kishon
>
> Signed-off-by: Nicolae Rosia <Nicolae_Rosia@xxxxxxxxxx>
> ---
> drivers/phy/Kconfig | 1 +
> drivers/phy/phy-twl4030-usb.c | 22 +++++++---------------
> 2 files changed, 8 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index fe00f91..265391e 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -196,6 +196,7 @@ config TWL4030_USB
> depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
> depends on USB_SUPPORT
> depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't 'y'
> + depends on OF
> select GENERIC_PHY
> select USB_PHY
> help
> diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
> index 87e6334..a5e4927 100644
> --- a/drivers/phy/phy-twl4030-usb.c
> +++ b/drivers/phy/phy-twl4030-usb.c
> @@ -656,7 +656,6 @@ static const struct dev_pm_ops twl4030_usb_pm_ops = {
>
> static int twl4030_usb_probe(struct platform_device *pdev)
> {
> - struct twl4030_usb_data *pdata = dev_get_platdata(&pdev->dev);
> struct twl4030_usb *twl;
> struct phy *phy;
> int status, err;
> @@ -664,19 +663,17 @@ static int twl4030_usb_probe(struct platform_device *pdev)
> struct device_node *np = pdev->dev.of_node;
> struct phy_provider *phy_provider;
>
> + if (!np) {
> + dev_err(&pdev->dev, "no DT info\n");
> + return -EINVAL;
> + }
> +
> twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL);
> if (!twl)
> return -ENOMEM;
>
> - if (np)
> - of_property_read_u32(np, "usb_mode",
> - (enum twl4030_usb_mode *)&twl->usb_mode);
> - else if (pdata) {
> - twl->usb_mode = pdata->usb_mode;
> - } else {
> - dev_err(&pdev->dev, "twl4030 initialized without pdata\n");
> - return -EINVAL;
> - }
> + of_property_read_u32(np, "usb_mode",
> + (enum twl4030_usb_mode *)&twl->usb_mode);
>
> otg = devm_kzalloc(&pdev->dev, sizeof(*otg), GFP_KERNEL);
> if (!otg)
> @@ -750,11 +747,6 @@ static int twl4030_usb_probe(struct platform_device *pdev)
> return status;
> }
>
> - if (pdata)
> - err = phy_create_lookup(phy, "usb", "musb-hdrc.0");
> - if (err)
> - return err;
> -
> pm_runtime_mark_last_busy(&pdev->dev);
> pm_runtime_put_autosuspend(twl->dev);
>
>