[PATCH] phy: rockchip: handle clock without enable function

[Kever Yang]

On 2022/12/6 20:48, John Keeping wrote:
> If a clock doesn't supply the enable hook, clk_enable() will return
> -ENOSYS.  In this case the clock is always enabled so there is no error
> and the phy initialisation should continue.
>
> Signed-off-by: John Keeping <john at metanate.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> index 62b8ba3a4a..b32a498ea7 100644
> --- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> +++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
> @@ -119,7 +119,7 @@ static int rockchip_usb2phy_init(struct phy *phy)
>   	int ret;
>   
>   	ret = clk_enable(&priv->phyclk);
> -	if (ret) {
> +	if (ret && ret != -ENOSYS) {
>   		dev_err(phy->dev, "failed to enable phyclk (ret=%d)\n", ret);
>   		return ret;
>   	}