From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 12 Dec 2007 22:31:57 +0000 (+0100)
Subject: ide: add missing checks for control register existence
X-Git-Tag: v2.6.24-rc6~61^2~12
X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=ad0e74d3851e440e0882424577bc984c89019f52;p=~andy%2Flinux

ide: add missing checks for control register existence

Add missing checks for control register existence (some legacy m68k specific
IDE controllers don't have it).  Also use drive->ctl while at it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index db22d1ff4e5..bef781fec50 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -970,7 +970,8 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
 		if (rc)
 			printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
 		SELECT_DRIVE(drive);
-		HWIF(drive)->OUTB(8, HWIF(drive)->io_ports[IDE_CONTROL_OFFSET]);
+		if (IDE_CONTROL_REG)
+			HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
 		rc = ide_wait_not_busy(HWIF(drive), 100000);
 		if (rc)
 			printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index ee848c70599..bd0a6004a13 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -667,7 +667,8 @@ static int wait_hwif_ready(ide_hwif_t *hwif)
 		/* Ignore disks that we will not probe for later. */
 		if (!drive->noprobe || drive->present) {
 			SELECT_DRIVE(drive);
-			hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
+			if (IDE_CONTROL_REG)
+				hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
 			mdelay(2);
 			rc = ide_wait_not_busy(hwif, 35000);
 			if (rc)