[PATCH] lockdep: annotate 3c59x.c disable_irq()

3c59x.c's vortex_timer() function knows that vp->lock can only be used by an
irq context that it disabled - and can hence take the vp->lock without
disabling hardirqs.  Teach lockdep about this.

Has no effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 8ab03b4a885e..2819de79442c 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1897,7 +1897,7 @@ vortex_timer(unsigned long data)
                 printk(KERN_DEBUG "dev->watchdog_timeo=%d\n", dev->watchdog_timeo);
         }
 
-        disable_irq(dev->irq);
+        disable_irq_lockdep(dev->irq);
         old_window = ioread16(ioaddr + EL3_CMD) >> 13;
         EL3WINDOW(4);
         media_status = ioread16(ioaddr + Wn4_Media);
@@ -1978,7 +1978,7 @@ leave_media_alone:
                          dev->name, media_tbl[dev->if_port].name);
 
         EL3WINDOW(old_window);
-        enable_irq(dev->irq);
+        enable_irq_lockdep(dev->irq);
         mod_timer(&vp->timer, RUN_AT(next_tick));
         if (vp->deferred)
                 iowrite16(FakeIntr, ioaddr + EL3_CMD);