diff options
| author | Harro Haan <hrhaan@gmail.com> | 2010-03-01 18:01:56 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-16 23:00:00 +0100 |
| commit | 4f4c5e36e7cd26c9b5bf89d66caeee5fc3d75362 (patch) | |
| tree | 55a751f86e75d5f8e59b9a0dc610e701dba74917 /drivers/usb/gadget/at91_udc.h | |
| parent | 7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff) | |
ARM: 5967/1: at91_udc.c use spinlocks instead of local_irq_xxx
The locking code of this driver is reworked for preempt-rt.
For more info see:
http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20100203/09cdb3b4/attachment.el
http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20100203/3ad44e30/attachment.el
First applied: "at91_udc HW glitch"
http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=5966/1
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Harro Haan <hrhaan@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/usb/gadget/at91_udc.h')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/gadget/at91_udc.h b/drivers/usb/gadget/at91_udc.h index c65d62295890..bc76a39c2bb1 100644 --- a/drivers/usb/gadget/at91_udc.h +++ b/drivers/usb/gadget/at91_udc.h @@ -144,6 +144,7 @@ struct at91_udc { struct proc_dir_entry *pde; void __iomem *udp_baseaddr; int udp_irq; + spinlock_t lock; }; static inline struct at91_udc *to_udc(struct usb_gadget *g) |