From 6ae706aeaf42cd2fe6e541c72af6e2c0befe057c Mon Sep 17 00:00:00 2001 From: Geliang Tang Date: Wed, 23 Dec 2015 21:26:51 +0800 Subject: [PATCH] USB: core, wusbcore: use bus_to_hcd Use bus_to_hcd() instead of open-coding it. Signed-off-by: Geliang Tang Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/hcd.c | 6 +++--- drivers/usb/core/hub.c | 2 +- drivers/usb/core/usb.c | 2 +- drivers/usb/wusbcore/wusbhc.h | 2 +- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 9af9506352f3..232c8c93dd3a 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2237,7 +2237,7 @@ int usb_hcd_get_frame_number (struct usb_device *udev) int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg) { - struct usb_hcd *hcd = container_of(rhdev->bus, struct usb_hcd, self); + struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); int status; int old_state = hcd->state; @@ -2286,7 +2286,7 @@ int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg) int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) { - struct usb_hcd *hcd = container_of(rhdev->bus, struct usb_hcd, self); + struct usb_hcd *hcd = bus_to_hcd(rhdev->bus); int status; int old_state = hcd->state; @@ -2400,7 +2400,7 @@ int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num) * boards with root hubs hooked up to internal devices (instead of * just the OTG port) may need more attention to resetting... */ - hcd = container_of (bus, struct usb_hcd, self); + hcd = bus_to_hcd(bus); if (port_num && hcd->driver->start_port_reset) status = hcd->driver->start_port_reset(hcd, port_num); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 3c9b22eb78ca..9ec5733b62f4 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2659,7 +2659,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub) struct usb_hcd *hcd; if (hub->hdev->parent != NULL) /* not a root hub? */ return 0; - hcd = container_of(hub->hdev->bus, struct usb_hcd, self); + hcd = bus_to_hcd(hub->hdev->bus); return hcd->wireless; } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 49b011f951b3..16ade41759cd 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -397,7 +397,7 @@ struct device_type usb_device_type = { /* Returns 1 if @usb_bus is WUSB, 0 otherwise */ static unsigned usb_bus_is_wusb(struct usb_bus *bus) { - struct usb_hcd *hcd = container_of(bus, struct usb_hcd, self); + struct usb_hcd *hcd = bus_to_hcd(bus); return hcd->wireless; } diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h index 41838db7f85c..8c5bd000739b 100644 --- a/drivers/usb/wusbcore/wusbhc.h +++ b/drivers/usb/wusbcore/wusbhc.h @@ -336,7 +336,7 @@ static inline struct usb_hcd *usb_hcd_get_by_usb_dev(struct usb_device *usb_dev) { struct usb_hcd *usb_hcd; - usb_hcd = container_of(usb_dev->bus, struct usb_hcd, self); + usb_hcd = bus_to_hcd(usb_dev->bus); return usb_get_hcd(usb_hcd); }