[usb-next PATCH] usb: xhci: skip phys initialization of shared hcd

[rogerq@ti.com (Roger Quadros)]

Hi Chunfeng,

On 21/03/18 08:12, Chunfeng Yun wrote:
> The phys has already been initialized when add primary hcd,
> including usb2 phys and usb3 phys also if exist, so needn't
> re-parse "phys" property again.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
>  drivers/usb/host/xhci-mtk.c  | 1 +
>  drivers/usb/host/xhci-plat.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
> index 7334da9..6bb23fb 100644
> --- a/drivers/usb/host/xhci-mtk.c
> +++ b/drivers/usb/host/xhci-mtk.c
> @@ -554,6 +554,7 @@ static int xhci_mtk_probe(struct platform_device *pdev)
>  	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
>  		xhci->shared_hcd->can_do_streams = 1;
>  
> +	xhci->shared_hcd->skip_phy_initialization = 1;
>  	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
>  	if (ret)
>  		goto dealloc_usb2_hcd;
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 6700e5e..65a4294 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -294,6 +294,7 @@ static int xhci_plat_probe(struct platform_device *pdev)
>  	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
>  		xhci->shared_hcd->can_do_streams = 1;
>  
> +	xhci->shared_hcd->skip_phy_initialization = 1;

I think this is unnecessary.
There aren't separate PHYs for the primary and shared HCDs right?

Also how can you be sure that phy_init() has been done for all platform HCD users?

>  	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
>  	if (ret)
>  		goto dealloc_usb2_hcd;
> 

-- 
cheers,
-roger

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