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

Daehwan Jung
2022-04-26T09:59:20Z

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);
+
static struct xhci_plat_priv_overwrite xhci_plat_vendor_overwrite;

int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops)
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index 8c204f3234d8..455e0018d5e6 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -28,5 +28,6 @@ struct xhci_plat_priv_overwrite {
};

int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops);
+void xhci_plat_override_driver(const struct xhci_driver_overrides *xhci_vendor_overrides);

#endif /* _XHCI_PLAT_H */
--
2.31.1