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| author |   Jeff Garzik <jeff@garzik.org> | 2006-06-20 05:08:44 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-06-20 05:08:44 -0400 |
| commit | c5fa46e175ccd02803031ea071060cdb01521736 (patch) | |
| tree | 5e6f49d86a2dcd069c45bfd434efd6d6fa311bea /drivers/scsi | |
| parent | [PATCH] sata_nv: add hotplug support (diff) | |
| download | linux-dev-c5fa46e175ccd02803031ea071060cdb01521736.tar.xz linux-dev-c5fa46e175ccd02803031ea071060cdb01521736.zip | |
[libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handler
We don't need to use the heavier spin lock in the irq handler.
It's quite possible we can do this in nv_generic_interrupt() as well,
but I didn't take the time to pursue that train of thought.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/sata_nv.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c index 19deaa42fbf0..be8650f17020 100644 --- a/drivers/scsi/sata_nv.c +++ b/drivers/scsi/sata_nv.c @@ -371,14 +371,13 @@ static irqreturn_t nv_nf2_interrupt(int irq, void *dev_instance, struct pt_regs *regs) { struct ata_host_set *host_set = dev_instance; - unsigned long flags; u8 irq_stat; irqreturn_t ret; - spin_lock_irqsave(&host_set->lock, flags); + spin_lock(&host_set->lock); irq_stat = inb(host_set->ports[0]->ioaddr.scr_addr + NV_INT_STATUS); ret = nv_do_interrupt(host_set, irq_stat); - spin_unlock_irqrestore(&host_set->lock, flags); + spin_unlock(&host_set->lock); return ret; } @@ -387,14 +386,13 @@ static irqreturn_t nv_ck804_interrupt(int irq, void *dev_instance, struct pt_regs *regs) { struct ata_host_set *host_set = dev_instance; - unsigned long flags; u8 irq_stat; irqreturn_t ret; - spin_lock_irqsave(&host_set->lock, flags); + spin_lock(&host_set->lock); irq_stat = readb(host_set->mmio_base + NV_INT_STATUS_CK804); ret = nv_do_interrupt(host_set, irq_stat); - spin_unlock_irqrestore(&host_set->lock, flags); + spin_unlock(&host_set->lock); return ret; } |