UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[PATCH] b44: s/spin_lock_irqsave/spin_lock/ in b44_interrupt 

There is no need to save/restore the irq state as the irq are always
locally disabled when b44_interrupt is issued.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Francois Romieu 2005-11-07 01:52:06 +01:00 committed by Jeff Garzik
parent 3353930d9d
commit 65b984f26f
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/b44.c
View File

@ -895,11 +895,10 @@ static irqreturn_t b44_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct net_device *dev = dev_id;
struct b44 *bp = netdev_priv(dev);
unsigned long flags;
u32 istat, imask;
int handled = 0;
spin_lock_irqsave(&bp->lock, flags);
spin_lock(&bp->lock);
istat = br32(bp, B44_ISTAT);
imask = br32(bp, B44_IMASK);
@ -925,7 +924,7 @@ static irqreturn_t b44_interrupt(int irq, void *dev_id, struct pt_regs *regs)
bw32(bp, B44_ISTAT, istat);
br32(bp, B44_ISTAT);
}
spin_unlock_irqrestore(&bp->lock, flags);
spin_unlock(&bp->lock);
return IRQ_RETVAL(handled);
}