diff options
Diffstat (limited to 'drivers/ata/libahci.c')
| -rw-r--r-- | drivers/ata/libahci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 5eb61c9e63da..3ce3d23e4f97 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1875,6 +1875,8 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) irq_masked = irq_stat & hpriv->port_map; + spin_lock(&host->lock); + for (i = 0; i < host->n_ports; i++) { struct ata_port *ap; @@ -1906,6 +1908,8 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) */ writel(irq_stat, mmio + HOST_IRQ_STAT); + spin_unlock(&host->lock); + VPRINTK("EXIT\n"); return handled ? IRQ_WAKE_THREAD : IRQ_NONE; |