linux-kernel - [PATCH v5 2/3] xhci: Add hub_control to xhci_driver

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Message-ID: <20221027133127.27592-3-jilin@nvidia.com>
Date:   Thu, 27 Oct 2022 21:31:26 +0800
From:   Jim Lin <jilin@...dia.com>
To:     <mathias.nyman@...el.com>, <gregkh@...uxfoundation.org>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <jilin@...dia.com>
Subject: [PATCH v5 2/3] xhci: Add hub_control to xhci_driver_overrides

Add hub_control to "struct xhci_driver_overrides".
Add hub_control to xhci_init_driver() for platform xhci driver to
override it for local feature.

Signed-off-by: Jim Lin <jilin@...dia.com>

---
v5: new change

 drivers/usb/host/xhci.c | 2 ++
 drivers/usb/host/xhci.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 902f410874e8..3c7bf0a0e0b4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -5461,6 +5461,8 @@ void xhci_init_driver(struct hc_driver *drv,
 			drv->check_bandwidth = over->check_bandwidth;
 		if (over->reset_bandwidth)
 			drv->reset_bandwidth = over->reset_bandwidth;
+		if (over->hub_control)
+			drv->hub_control = over->hub_control;
 	}
 }
 EXPORT_SYMBOL_GPL(xhci_init_driver);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 5a75fe563123..f5a17c75c144 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1943,6 +1943,8 @@ struct xhci_driver_overrides {
 			     struct usb_host_endpoint *ep);
 	int (*check_bandwidth)(struct usb_hcd *, struct usb_device *);
 	void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
+	int (*hub_control)(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+		u16 wIndex, char *buf, u16 wLength);
 };
 
 #define	XHCI_CFC_DELAY		10
-- 
2.17.1