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path: root/drivers/ide/it8172.c
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Diffstat (limited to 'drivers/ide/it8172.c')
-rw-r--r--drivers/ide/it8172.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/ide/it8172.c b/drivers/ide/it8172.c
index 0d266a5b524d..560e66d07659 100644
--- a/drivers/ide/it8172.c
+++ b/drivers/ide/it8172.c
@@ -37,12 +37,12 @@
#define DRV_NAME "IT8172"
-static void it8172_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void it8172_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
{
- ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
u16 drive_enables;
u32 drive_timing;
+ const u8 pio = drive->pio_mode - XFER_PIO_0;
/*
* The highest value of DIOR/DIOW pulse width and recovery time
@@ -77,14 +77,14 @@ static void it8172_set_pio_mode(ide_drive_t *drive, const u8 pio)
pci_write_config_dword(dev, 0x44, drive_timing);
}
-static void it8172_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void it8172_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
{
- ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
int a_speed = 3 << (drive->dn * 4);
int u_flag = 1 << drive->dn;
int u_speed = 0;
u8 reg48, reg4a;
+ const u8 speed = drive->dma_mode;
pci_read_config_byte(dev, 0x48, &reg48);
pci_read_config_byte(dev, 0x4a, &reg4a);
@@ -98,14 +98,14 @@ static void it8172_set_dma_mode(ide_drive_t *drive, const u8 speed)
pci_write_config_byte(dev, 0x4a, reg4a | u_speed);
} else {
const u8 mwdma_to_pio[] = { 0, 3, 4 };
- u8 pio;
pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
pci_write_config_byte(dev, 0x4a, reg4a & ~a_speed);
- pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+ drive->pio_mode =
+ mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
- it8172_set_pio_mode(drive, pio);
+ it8172_set_pio_mode(hwif, drive);
}
}