There should be no functionality changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
                if (rc)
                        printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
                SELECT_DRIVE(drive);
-               if (IDE_CONTROL_REG)
-                       HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
+               ide_set_irq(drive, 1);
                rc = ide_wait_not_busy(HWIF(drive), 100000);
                if (rc)
                        printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
                }
        again:
                hwif = HWIF(drive);
-               if (hwgroup->hwif->sharing_irq &&
-                   hwif != hwgroup->hwif &&
-                   hwif->io_ports[IDE_CONTROL_OFFSET]) {
+               if (hwgroup->hwif->sharing_irq && hwif != hwgroup->hwif) {
                        /*
                         * set nIEN for previous hwif, drives in the
                         * quirk_list may not like intr setups/cleanups
                         */
                        if (drive->quirk_list != 1)
-                               hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG);
+                               ide_set_irq(drive, 0);
                }
                hwgroup->hwif = hwif;
                hwgroup->drive = drive;
 
         */
 
        SELECT_MASK(drive, 1);
-       if (IDE_CONTROL_REG)
-               hwif->OUTB(drive->ctl,IDE_CONTROL_REG);
+       ide_set_irq(drive, 1);
        msleep(50);
        hwif->OUTB(WIN_IDENTIFY, IDE_COMMAND_REG);
        timeout = jiffies + WAIT_WORSTCASE;
        SELECT_DRIVE(drive);
        SELECT_MASK(drive, 0);
        udelay(1);
-       if (IDE_CONTROL_REG)
-               hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG);
+       ide_set_irq(drive, 0);
        hwif->OUTB(speed, IDE_NSECTOR_REG);
        hwif->OUTB(SETFEATURES_XFER, IDE_FEATURE_REG);
        hwif->OUTBSYNC(drive, WIN_SETFEATURES, IDE_COMMAND_REG);
-       if ((IDE_CONTROL_REG) && (drive->quirk_list == 2))
-               hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
+       if (drive->quirk_list == 2)
+               ide_set_irq(drive, 1);
 
        error = __ide_wait_stat(drive, drive->ready_stat,
                                BUSY_STAT|DRQ_STAT|ERR_STAT,
 
         * the irq handler isn't expecting.
         */
        if (IDE_CONTROL_REG) {
-               u8 ctl = drive->ctl | 2;
                if (!hwif->irq) {
                        autoprobe = 1;
                        cookie = probe_irq_on();
-                       /* enable device irq */
-                       ctl &= ~2;
                }
-               hwif->OUTB(ctl, IDE_CONTROL_REG);
+               ide_set_irq(drive, autoprobe);
        }
 
        retval = actual_try_to_identify(drive, cmd);
 
        if (autoprobe) {
                int irq;
-               /* mask device irq */
-               hwif->OUTB(drive->ctl|2, IDE_CONTROL_REG);
+
+               ide_set_irq(drive, 0);
                /* clear drive IRQ */
                (void) hwif->INB(IDE_STATUS_REG);
                udelay(5);
                /* Ignore disks that we will not probe for later. */
                if (!drive->noprobe || drive->present) {
                        SELECT_DRIVE(drive);
-                       if (IDE_CONTROL_REG)
-                               hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
+                       ide_set_irq(drive, 1);
                        mdelay(2);
                        rc = ide_wait_not_busy(hwif, 35000);
                        if (rc)
 
                tf->hob_lbam, tf->hob_lbah);
 #endif
 
-       if (IDE_CONTROL_REG)
-               hwif->OUTB(drive->ctl, IDE_CONTROL_REG); /* clear nIEN */
+       ide_set_irq(drive, 1);
 
        if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0)
                SELECT_MASK(drive, 0);
 
        return &hwif->drives[(drive->dn ^ 1) & 1];
 }
 
+static inline void ide_set_irq(ide_drive_t *drive, int on)
+{
+       drive->hwif->OUTB(drive->ctl | (on ? 0 : 2), IDE_CONTROL_REG);
+}
+
 #endif /* _IDE_H */