ide: add 'config' field to hw_regs_t

Add 'config' field to hw_regs_t and use it to set hwif->config_data in
ide_init_port_hw(), then convert ide_legacy_init_one() to use hw->config.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 21cea45..3cc8ade 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1689,14 +1689,12 @@
 	ide_std_init_ports(hw, base, ctl);
 	hw->irq = irq;
 	hw->chipset = d->chipset;
+	hw->config = config;
 
 	hwif = ide_find_port_slot(d);
 	if (hwif) {
 		hwif->chipset = hw->chipset;
 
-		if (config)
-			hwif->config_data = config;
-
 		hws[port_no] = hw;
 		idx[port_no] = hwif->index;
 	}
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 434dd02..961f31c 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -286,6 +286,7 @@
 	hwif->dev = hw->dev;
 	hwif->gendev.parent = hw->parent ? hw->parent : hw->dev;
 	hwif->ack_intr = hw->ack_intr;
+	hwif->config_data = hw->config;
 }
 
 /*
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 260e871..e340218 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -178,6 +178,7 @@
 	ide_ack_intr_t	*ack_intr;		/* acknowledge interrupt */
 	hwif_chipset_t  chipset;
 	struct device	*dev, *parent;
+	unsigned long	config;
 } hw_regs_t;
 
 void ide_init_port_data(struct hwif_s *, unsigned int);