ide: move drive_is_ready() to ide-io.c

Move drive_is_ready() to ide-io.c, then make it static.

Also make some minor CodingStyle fixups while at it.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-io.c

@@ -887,6 +887,29 @@ static void ide_plug_device(ide_drive_t *drive)
 	spin_unlock_irqrestore(q->queue_lock, flags);
 }
 
+static int drive_is_ready(ide_drive_t *drive)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	u8 stat = 0;
+
+	if (drive->waiting_for_dma)
+		return hwif->dma_ops->dma_test_irq(drive);
+
+	if (hwif->io_ports.ctl_addr &&
+	    (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0)
+		stat = hwif->tp_ops->read_altstatus(hwif);
+	else
+		/* Note: this may clear a pending IRQ!! */
+		stat = hwif->tp_ops->read_status(hwif);
+
+	if (stat & ATA_BUSY)
+		/* drive busy: definitely not interrupting */
+		return 0;
+
+	/* drive ready: *might* be interrupting */
+	return 1;
+}
+
 /**
  *	ide_timer_expiry	-	handle lack of an IDE interrupt
  *	@data: timer callback magic (hwif)

drivers/ide/ide-iops.c

@@ -438,31 +438,6 @@ void ide_fixstring (u8 *s, const int bytecount, const int byteswap)
 
 EXPORT_SYMBOL(ide_fixstring);
 
-int drive_is_ready (ide_drive_t *drive)
-{
-	ide_hwif_t *hwif	= drive->hwif;
-	u8 stat			= 0;
-
-	if (drive->waiting_for_dma)
-		return hwif->dma_ops->dma_test_irq(drive);
-
-	if (hwif->io_ports.ctl_addr &&
-	    (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0)
-		stat = hwif->tp_ops->read_altstatus(hwif);
-	else
-		/* Note: this may clear a pending IRQ!! */
-		stat = hwif->tp_ops->read_status(hwif);
-
-	if (stat & ATA_BUSY)
-		/* drive busy:  definitely not interrupting */
-		return 0;
-
-	/* drive ready: *might* be interrupting */
-	return 1;
-}
-
-EXPORT_SYMBOL(drive_is_ready);
-
 /*
  * This routine busy-waits for the drive status to be not "busy".
  * It then checks the status for all of the "good" bits and none

include/linux/ide.h

@@ -1200,8 +1200,6 @@ void SELECT_MASK(ide_drive_t *, int);
 u8 ide_read_error(ide_drive_t *);
 void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
 
-extern int drive_is_ready(ide_drive_t *);
-
 int ide_check_atapi_device(ide_drive_t *, const char *);
 
 void ide_init_pc(struct ide_atapi_pc *);