From f38cd56eea7f486b449e0c8c52e660e64b2b3b9a Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 26 Apr 2008 22:25:18 +0200
Subject: [PATCH] --- yaml --- r: 93637 b: refs/heads/master c:
 d9b819a025ca1b09dafbe90b5d25ba57a639f048 h: refs/heads/master i:   93635:
 daa1f0558ca861b43cf91bbf2e8ccbf02d23a2e0 v: v3

---
 [refs]                        |  2 +-
 trunk/drivers/ide/ide-probe.c | 56 +++++++++++++++++++++--------------
 2 files changed, 34 insertions(+), 24 deletions(-)

diff --git a/[refs] b/[refs]
index 61311ccbc0b6..c8eed0a3a1b1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2305d94321bbbdc461acfb24b41fbf50f8a6dd91
+refs/heads/master: d9b819a025ca1b09dafbe90b5d25ba57a639f048
diff --git a/trunk/drivers/ide/ide-probe.c b/trunk/drivers/ide/ide-probe.c
index da6025cfa09a..e299c80c6a57 100644
--- a/trunk/drivers/ide/ide-probe.c
+++ b/trunk/drivers/ide/ide-probe.c
@@ -1630,40 +1630,50 @@ void ide_port_scan(ide_hwif_t *hwif)
 }
 EXPORT_SYMBOL_GPL(ide_port_scan);
 
-int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
+static void ide_legacy_init_one(u8 *idx, hw_regs_t *hw, u8 port_no,
+				const struct ide_port_info *d,
+				unsigned long config)
 {
-	ide_hwif_t *hwif, *mate;
-	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
-	hw_regs_t hw[2];
-
-	memset(&hw, 0, sizeof(hw));
+	ide_hwif_t *hwif;
+	unsigned long base, ctl;
+	int irq;
 
-	ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
-	hw[0].irq = 14;
+	if (port_no == 0) {
+		base = 0x1f0;
+		ctl  = 0x3f6;
+		irq  = 14;
+	} else {
+		base = 0x170;
+		ctl  = 0x376;
+		irq  = 15;
+	}
 
-	ide_std_init_ports(&hw[1], 0x170, 0x376);
-	hw[1].irq = 15;
+	ide_std_init_ports(hw, base, ctl);
+	hw->irq = irq;
 
 	hwif = ide_find_port_slot(d);
 	if (hwif) {
-		u8 j = (d->host_flags & IDE_HFLAG_QD_2ND_PORT) ? 1 : 0;
-
-		ide_init_port_hw(hwif, &hw[j]);
+		ide_init_port_hw(hwif, hw);
 		if (config)
 			hwif->config_data = config;
-		idx[j] = hwif->index;
+		idx[port_no] = hwif->index;
 	}
+}
 
-	if (hwif == NULL && (d->host_flags & IDE_HFLAG_SINGLE))
-		return -ENOENT;
+int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
+{
+	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+	hw_regs_t hw[2];
 
-	mate = ide_find_port_slot(d);
-	if (mate) {
-		ide_init_port_hw(mate, &hw[1]);
-		if (config)
-			mate->config_data = config;
-		idx[1] = mate->index;
-	}
+	memset(&hw, 0, sizeof(hw));
+
+	if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
+		ide_legacy_init_one(idx, &hw[0], 0, d, config);
+	ide_legacy_init_one(idx, &hw[1], 1, d, config);
+
+	if (idx[0] == 0xff && idx[1] == 0xff &&
+	    (d->host_flags & IDE_HFLAG_SINGLE))
+		return -ENOENT;
 
 	ide_device_add(idx, d);