Re: [PATCH] usb: dwc: host: add xhci_plat_priv quirk XHCI_SKIP_PHY_INIT

From: Greg Kroah-Hartman
Date: Tue Oct 12 2021 - 03:32:57 EST


On Mon, Oct 11, 2021 at 03:31:57PM +0530, Sandeep Maheswaram wrote:
> dwc3 manages PHY by own DRD driver, so skip the management by
> HCD core.
> During runtime suspend phy was not getting suspend because
> runtime_usage value is 2.
>
> Signed-off-by: Sandeep Maheswaram <sanm@xxxxxxxxxxxxxx>
> ---
> drivers/usb/dwc3/host.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
> index f29a264..0921f05 100644
> --- a/drivers/usb/dwc3/host.c
> +++ b/drivers/usb/dwc3/host.c
> @@ -11,6 +11,11 @@
> #include <linux/platform_device.h>
>
> #include "core.h"
> +#include "../host/xhci-plat.h"

Why are you tying the dwc3 driver to the xhci driver?


> +
> +static const struct xhci_plat_priv xhci_plat_dwc3_xhci = {
> + .quirks = XHCI_SKIP_PHY_INIT,

If these quirks are now "global", they should go into a
include/linux/usb/ .h file, right?

thanks,

greg k-h