Subject: [RESEND PATCH v2 3/7] usb: xhci: plat: Fix suspend/resume when the optional usb_phy exists

From: [email-masked] (Felipe Balbi)
Date: Wed, 27 Apr 2016 08:30:52 +0300

Hi,

Jisheng Zhang <[email-masked]> writes:
> Commit 7b8ef22ea547 ("usb: xhci: plat: Add USB phy support") adds the
> usb_phy for usb3, but it forgets to shutdown/init the usb_phy in the
> suspend/resume path. This patch fixes this issue by adding missing
> usb_phy related calls.

Fixes: 7b8ef22ea547 ("usb: xhci: plat: Add USB phy support")
Cc: <[email-masked]> # v4.1+

> Signed-off-by: Jisheng Zhang <[email-masked]>
> ---
>  drivers/usb/host/xhci-plat.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 9ff89e9..fbd23fd 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -313,6 +313,7 @@ static int xhci_plat_suspend(struct device *dev)
>  	if (ret)
>  		return ret;
>  
> +	usb_phy_shutdown(xhci->shared_hcd->usb_phy);
>  	clk_disable_unprepare(xhci->clk);
>  
>  	return ret;
> @@ -328,6 +329,10 @@ static int xhci_plat_resume(struct device *dev)
>  	if (ret)
>  		return ret;
>  
> +	ret = usb_phy_init(xhci->shared_hcd->usb_phy);
> +	if (ret)
> +		return ret;
> +
>  	return xhci_resume(xhci, 0);
>  }

-- 
balbi
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