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path: root/drivers/ide/it8213.c
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Diffstat (limited to 'drivers/ide/it8213.c')
-rw-r--r--drivers/ide/it8213.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/ide/it8213.c b/drivers/ide/it8213.c
index 47976167796a..46816ba26416 100644
--- a/drivers/ide/it8213.c
+++ b/drivers/ide/it8213.c
@@ -17,15 +17,14 @@
/**
* it8213_set_pio_mode - set host controller for PIO mode
+ * @hwif: port
* @drive: drive
- * @pio: PIO mode number
*
* Set the interface PIO mode.
*/
-static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void it8213_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);
int is_slave = drive->dn & 1;
int master_port = 0x40;
@@ -35,6 +34,7 @@ static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
u8 slave_data;
static DEFINE_SPINLOCK(tune_lock);
int control = 0;
+ const u8 pio = drive->pio_mode - XFER_PIO_0;
static const u8 timings[][2] = {
{ 0, 0 },
@@ -74,15 +74,14 @@ static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
/**
* it8213_set_dma_mode - set host controller for DMA mode
+ * @hwif: port
* @drive: drive
- * @speed: DMA mode
*
* Tune the ITE chipset for the DMA mode.
*/
-static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void it8213_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);
u8 maslave = 0x40;
int a_speed = 3 << (drive->dn * 4);
@@ -92,6 +91,7 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
int u_speed = 0;
u16 reg4042, reg4a;
u8 reg48, reg54, reg55;
+ const u8 speed = drive->dma_mode;
pci_read_config_word(dev, maslave, &reg4042);
pci_read_config_byte(dev, 0x48, &reg48);
@@ -120,7 +120,6 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
pci_write_config_byte(dev, 0x54, reg54 & ~v_flag);
} else {
const u8 mwdma_to_pio[] = { 0, 3, 4 };
- u8 pio;
if (reg48 & u_flag)
pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
@@ -132,11 +131,12 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag);
if (speed >= XFER_MW_DMA_0)
- pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+ drive->pio_mode =
+ mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
else
- pio = 2; /* only SWDMA2 is allowed */
+ drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */
- it8213_set_pio_mode(drive, pio);
+ it8213_set_pio_mode(hwif, drive);
}
}