ide: keep pointer to struct device instead of struct pci_dev in ide_hwif_t

Keep pointer to struct device instead of struct pci_dev in ide_hwif_t.

While on it:
* Use *dev->dma_mask instead of pci_dev->dma_mask in ide_toggle_bounce().

There should be no functionality changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 85d3699..9fb4ba4 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -197,7 +197,7 @@
 
 static u8 sis_ata133_get_base(ide_drive_t *drive)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u32 reg54 = 0;
 
 	pci_read_config_dword(dev, 0x54, &reg54);
@@ -207,7 +207,7 @@
 
 static void sis_ata16_program_timings(ide_drive_t *drive, const u8 mode)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u16 t1 = 0;
 	u8 drive_pci = 0x40 + drive->dn * 2;
 
@@ -230,7 +230,7 @@
 
 static void sis_ata100_program_timings(ide_drive_t *drive, const u8 mode)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u8 t1, drive_pci = 0x40 + drive->dn * 2;
 
 	/* timing bits: 7:4 active 3:0 recovery */
@@ -253,7 +253,7 @@
 
 static void sis_ata133_program_timings(ide_drive_t *drive, const u8 mode)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u32 t1 = 0;
 	u8 drive_pci = sis_ata133_get_base(drive), clk, idx;
 
@@ -286,7 +286,7 @@
 static void config_drive_art_rwp (ide_drive_t *drive)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
-	struct pci_dev *dev	= hwif->pci_dev;
+	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 reg4bh		= 0;
 	u8 rw_prefetch		= 0;
 
@@ -307,7 +307,7 @@
 
 static void sis_ata133_program_udma_timings(ide_drive_t *drive, const u8 mode)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u32 regdw = 0;
 	u8 drive_pci = sis_ata133_get_base(drive), clk, idx;
 
@@ -326,7 +326,7 @@
 
 static void sis_ata33_program_udma_timings(ide_drive_t *drive, const u8 mode)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u8 drive_pci = 0x40 + drive->dn * 2, reg = 0, i = chipset_family;
 
 	pci_read_config_byte(dev, drive_pci + 1, &reg);
@@ -359,7 +359,7 @@
 
 static u8 sis5513_ata133_udma_filter(ide_drive_t *drive)
 {
-	struct pci_dev *dev = drive->hwif->pci_dev;
+	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
 	u32 regdw = 0;
 	u8 drive_pci = sis_ata133_get_base(drive);
 
@@ -530,7 +530,7 @@
 
 static u8 __devinit ata66_sis5513(ide_hwif_t *hwif)
 {
-	struct pci_dev *pdev = hwif->pci_dev;
+	struct pci_dev *pdev = to_pci_dev(hwif->dev);
 	const struct sis_laptop *lap = &sis_laptop[0];
 	u8 ata66 = 0;
 
@@ -545,12 +545,12 @@
 	if (chipset_family >= ATA_133) {
 		u16 regw = 0;
 		u16 reg_addr = hwif->channel ? 0x52: 0x50;
-		pci_read_config_word(hwif->pci_dev, reg_addr, &regw);
+		pci_read_config_word(pdev, reg_addr, &regw);
 		ata66 = (regw & 0x8000) ? 0 : 1;
 	} else if (chipset_family >= ATA_66) {
 		u8 reg48h = 0;
 		u8 mask = hwif->channel ? 0x20 : 0x10;
-		pci_read_config_byte(hwif->pci_dev, 0x48, &reg48h);
+		pci_read_config_byte(pdev, 0x48, &reg48h);
 		ata66 = (reg48h & mask) ? 0 : 1;
 	}