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

[safe/jmp/linux-2.6] / drivers / ide / pci / it8213.c

diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index 90b52ed..df74e58 100644 (file)
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -28,7 +28,7 @@
 static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
        ide_hwif_t *hwif        = HWIF(drive);
-       struct pci_dev *dev     = hwif->pci_dev;
+       struct pci_dev *dev     = to_pci_dev(hwif->dev);
        int is_slave            = drive->dn & 1;
        int master_port         = 0x40;
        int slave_port          = 0x44;
@@ -85,7 +85,7 @@ static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
 static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
 {
        ide_hwif_t *hwif        = HWIF(drive);
-       struct pci_dev *dev     = hwif->pci_dev;
+       struct pci_dev *dev     = to_pci_dev(hwif->dev);
        u8 maslave              = 0x40;
        int a_speed             = 3 << (drive->dn * 4);
        int u_flag              = 1 << drive->dn;
@@ -101,24 +101,11 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
        pci_read_config_byte(dev, 0x54, &reg54);
        pci_read_config_byte(dev, 0x55, &reg55);
 
-       switch(speed) {
-               case XFER_UDMA_6:
-               case XFER_UDMA_4:
-               case XFER_UDMA_2:       u_speed = 2 << (drive->dn * 4); break;
-               case XFER_UDMA_5:
-               case XFER_UDMA_3:
-               case XFER_UDMA_1:       u_speed = 1 << (drive->dn * 4); break;
-               case XFER_UDMA_0:       u_speed = 0 << (drive->dn * 4); break;
-                       break;
-               case XFER_MW_DMA_2:
-               case XFER_MW_DMA_1:
-               case XFER_SW_DMA_2:
-                       break;
-               default:
-                       return;
-       }
-
        if (speed >= XFER_UDMA_0) {
+               u8 udma = speed - XFER_UDMA_0;
+
+               u_speed = min_t(u8, 2 - (udma & 1), udma) << (drive->dn * 4);
+
                if (!(reg48 & u_flag))
                        pci_write_config_byte(dev, 0x48, reg48 | u_flag);
                if (speed >= XFER_UDMA_5) {
@@ -165,6 +152,7 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
 
 static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
 {
+       struct pci_dev *dev = to_pci_dev(hwif->dev);
        u8 reg42h = 0;
 
        hwif->set_dma_mode = &it8213_set_dma_mode;
@@ -173,7 +161,7 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
        if (!hwif->dma_base)
                return;
 
-       pci_read_config_byte(hwif->pci_dev, 0x42, &reg42h);
+       pci_read_config_byte(dev, 0x42, &reg42h);
 
        if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                hwif->cbl = (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;