USB: core, wusbcore: use bus_to_hcd
Use bus_to_hcd() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2237,7 +2237,7 @@ int usb_hcd_get_frame_number (struct usb_device *udev)
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int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg)
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{
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struct usb_hcd *hcd = container_of(rhdev->bus, struct usb_hcd, self);
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struct usb_hcd *hcd = bus_to_hcd(rhdev->bus);
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int status;
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int old_state = hcd->state;
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@ -2286,7 +2286,7 @@ int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg)
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int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg)
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{
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struct usb_hcd *hcd = container_of(rhdev->bus, struct usb_hcd, self);
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struct usb_hcd *hcd = bus_to_hcd(rhdev->bus);
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int status;
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int old_state = hcd->state;
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@ -2400,7 +2400,7 @@ int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num)
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* boards with root hubs hooked up to internal devices (instead of
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* just the OTG port) may need more attention to resetting...
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*/
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hcd = container_of (bus, struct usb_hcd, self);
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hcd = bus_to_hcd(bus);
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if (port_num && hcd->driver->start_port_reset)
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status = hcd->driver->start_port_reset(hcd, port_num);
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@ -2659,7 +2659,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub)
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struct usb_hcd *hcd;
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if (hub->hdev->parent != NULL) /* not a root hub? */
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return 0;
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hcd = container_of(hub->hdev->bus, struct usb_hcd, self);
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hcd = bus_to_hcd(hub->hdev->bus);
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return hcd->wireless;
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}
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@ -397,7 +397,7 @@ struct device_type usb_device_type = {
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/* Returns 1 if @usb_bus is WUSB, 0 otherwise */
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static unsigned usb_bus_is_wusb(struct usb_bus *bus)
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{
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struct usb_hcd *hcd = container_of(bus, struct usb_hcd, self);
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struct usb_hcd *hcd = bus_to_hcd(bus);
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return hcd->wireless;
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}
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@ -336,7 +336,7 @@ static inline
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struct usb_hcd *usb_hcd_get_by_usb_dev(struct usb_device *usb_dev)
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{
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struct usb_hcd *usb_hcd;
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usb_hcd = container_of(usb_dev->bus, struct usb_hcd, self);
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usb_hcd = bus_to_hcd(usb_dev->bus);
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return usb_get_hcd(usb_hcd);
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}
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