[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>
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index 19deaa4..be8650f 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -371,14 +371,13 @@
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 @@
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;
}