diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index bc84106ac057..1e741bca0265 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -22,6 +22,7 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bcd.h> #include <linux/module.h> #include <linux/version.h> #include <linux/kernel.h> @@ -123,9 +124,8 @@ static inline int is_root_hub(struct usb_device *udev) */ /*-------------------------------------------------------------------------*/ - -#define KERNEL_REL ((LINUX_VERSION_CODE >> 16) & 0x0ff) -#define KERNEL_VER ((LINUX_VERSION_CODE >> 8) & 0x0ff) +#define KERNEL_REL bin2bcd(((LINUX_VERSION_CODE >> 16) & 0x0ff)) +#define KERNEL_VER bin2bcd(((LINUX_VERSION_CODE >> 8) & 0x0ff)) /* usb 3.0 root hub device descriptor */ static const u8 usb3_rh_dev_descriptor[18] = { @@ -1011,10 +1011,7 @@ static int register_root_hub(struct usb_hcd *hcd) if (retval) { dev_err (parent_dev, "can't register root hub for %s, %d\n", dev_name(&usb_dev->dev), retval); - } - mutex_unlock(&usb_bus_list_lock); - - if (retval == 0) { + } else { spin_lock_irq (&hcd_root_hub_lock); hcd->rh_registered = 1; spin_unlock_irq (&hcd_root_hub_lock); @@ -1023,6 +1020,7 @@ static int register_root_hub(struct usb_hcd *hcd) if (HCD_DEAD(hcd)) usb_hc_died (hcd); /* This time clean up */ } + mutex_unlock(&usb_bus_list_lock); return retval; } @@ -2153,15 +2151,8 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum); irqreturn_t usb_hcd_irq (int irq, void *__hcd) { struct usb_hcd *hcd = __hcd; - unsigned long flags; irqreturn_t rc; - /* IRQF_DISABLED doesn't work correctly with shared IRQs - * when the first handler doesn't use it. So let's just - * assume it's never used. - */ - local_irq_save(flags); - if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) rc = IRQ_NONE; else if (hcd->driver->irq(hcd) == IRQ_NONE) @@ -2169,7 +2160,6 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) else rc = IRQ_HANDLED; - local_irq_restore(flags); return rc; } EXPORT_SYMBOL_GPL(usb_hcd_irq); @@ -2357,14 +2347,6 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd, int retval; if (hcd->driver->irq) { - - /* IRQF_DISABLED doesn't work as advertised when used together - * with IRQF_SHARED. As usb_hcd_irq() will always disable - * interrupts we can remove it here. - */ - if (irqflags & IRQF_SHARED) - irqflags &= ~IRQF_DISABLED; - snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", hcd->driver->description, hcd->self.busnum); retval = request_irq(irqnum, &usb_hcd_irq, irqflags, |