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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2013-08-28 20:31:04 +0400
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2013-08-28 21:55:47 +0400
commite7ecf069d4730d5ec4cc91a531eb85c9604142bd (patch)
tree3ef4db9758c86350c6546cd57d67799dd97b0a67 /drivers/usb/host
parent8ef2d6511f7eba89ef5fe41cc83008ae63368aa2 (diff)
downloadlinux-e7ecf069d4730d5ec4cc91a531eb85c9604142bd.tar.xz
xhci: Fix warning introduced by disabling runtime PM.
The 0day build server caught a new build warning that is triggered when CONFIG_USB_DEFAULT_PERSIST is turned on: tree: git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci.git for-usb-next head: 0730d52a86919300a39a2be37f6c140997dfb82f commit: c8476fb855434c733099079063990e5bfa7ecad6 [1/3] usb: xhci: Disable runtime PM suspend for quirky controllers config: i386-randconfig-r6-0826 (attached as .config) All warnings: drivers/usb/host/xhci.c: In function 'xhci_free_dev': >> drivers/usb/host/xhci.c:3560:17: warning: unused variable 'dev' [-Wunused-variable] struct device *dev = hcd->self.controller; ^ drivers/usb/host/xhci.c: In function 'xhci_alloc_dev': >> drivers/usb/host/xhci.c:3648:17: warning: unused variable 'dev' [-Wunused-variable] struct device *dev = hcd->self.controller; ^ vim +/dev +3560 drivers/usb/host/xhci.c 3554 * disabled. Free any HC data structures associated with that device. 3555 */ 3556 void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) 3557 { 3558 struct xhci_hcd *xhci = hcd_to_xhci(hcd); 3559 struct xhci_virt_device *virt_dev; > 3560 struct device *dev = hcd->self.controller; 3561 unsigned long flags; 3562 u32 state; 3563 int i, ret; 3564 3565 #ifndef CONFIG_USB_DEFAULT_PERSIST 3566 /* 3567 * We called pm_runtime_get_noresume when the device was attached. 3568 * Decrement the counter here to allow controller to runtime suspend 3569 * if no devices remain. 3570 */ 3571 if (xhci->quirks & XHCI_RESET_ON_RESUME) 3572 pm_runtime_put_noidle(dev); 3573 #endif 3574 ... 3641 /* 3642 * Returns 0 if the xHC ran out of device slots, the Enable Slot command 3643 * timed out, or allocating memory failed. Returns 1 on success. 3644 */ 3645 int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) 3646 { 3647 struct xhci_hcd *xhci = hcd_to_xhci(hcd); > 3648 struct device *dev = hcd->self.controller; 3649 unsigned long flags; 3650 int timeleft; 3651 int ret; Fix this. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Shawn Nematbakhsh <shawnn@chromium.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 349d3460a17a..49b6edb84a79 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3557,7 +3557,6 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_virt_device *virt_dev;
- struct device *dev = hcd->self.controller;
unsigned long flags;
u32 state;
int i, ret;
@@ -3569,7 +3568,7 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
* if no devices remain.
*/
if (xhci->quirks & XHCI_RESET_ON_RESUME)
- pm_runtime_put_noidle(dev);
+ pm_runtime_put_noidle(hcd->self.controller);
#endif
ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);
@@ -3645,7 +3644,6 @@ static int xhci_reserve_host_control_ep_resources(struct xhci_hcd *xhci)
int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct device *dev = hcd->self.controller;
unsigned long flags;
int timeleft;
int ret;
@@ -3705,7 +3703,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
* suspend if there is a device attached.
*/
if (xhci->quirks & XHCI_RESET_ON_RESUME)
- pm_runtime_get_noresume(dev);
+ pm_runtime_get_noresume(hcd->self.controller);
#endif
/* Is this a LS or FS device under a HS hub? */