Re: [PATCH v4 3/5] usb: host: xhci-plat: support override of hc driver

Greg Kroah-Hartman
2022-04-26T10:34:55Z

On Tue, Apr 26, 2022 at 06:18:46PM +0900, Daehwan Jung wrote:
> It helps xhci-plat driver increase usability. Vendors could use functions
> in xhci-plat mostly and use some overrides to do what they wants without
> modifying xhci-plat driver.
>
> Signed-off-by: Daehwan Jung <dh10.jung@samsung.com>
> ---
> drivers/usb/host/xhci-plat.c | 6 ++++++
> drivers/usb/host/xhci-plat.h | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index a5881ff945a6..6efa3169bf69 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -173,6 +173,12 @@ static const struct of_device_id usb_xhci_of_match[] = {
> MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
> #endif
>
> +void xhci_plat_override_driver(const struct xhci_driver_overrides *xhci_vendor_overrides)
> +{
> + xhci_init_driver(&xhci_plat_hc_driver, xhci_vendor_overrides);
> +}
> +EXPORT_SYMBOL(xhci_plat_override_driver);

EXPORT_SYMBOL_GPL() please.

thanks,

greg k-h