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path: root/drivers/ide/pci/alim15x3.c
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Diffstat (limited to 'drivers/ide/pci/alim15x3.c')
-rw-r--r--drivers/ide/pci/alim15x3.c58
1 files changed, 21 insertions, 37 deletions
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index d04b966b434..0b83443bf25 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -283,14 +283,14 @@ static int ali_get_info (char *buffer, char **addr, off_t offset, int count)
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/**
- * ali_tune_pio - set host controller for PIO mode
+ * ali_set_pio_mode - set host controller for PIO mode
* @drive: drive
* @pio: PIO mode number
*
* Program the controller for the given PIO mode.
*/
-static void ali_tune_pio(ide_drive_t *drive, const u8 pio)
+static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
@@ -358,21 +358,6 @@ static void ali_tune_pio(ide_drive_t *drive, const u8 pio)
}
/**
- * ali_set_pio_mode - set up drive for PIO mode
- * @drive: drive to tune
- * @pio: desired mode
- *
- * Program the controller with the desired PIO timing for the given drive.
- * Then set up the drive itself.
- */
-
-static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
-{
- ali_tune_pio(drive, pio);
- (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio);
-}
-
-/**
* ali_udma_filter - compute UDMA mask
* @drive: IDE device
*
@@ -401,15 +386,14 @@ static u8 ali_udma_filter(ide_drive_t *drive)
}
/**
- * ali15x3_tune_chipset - set up chipset/drive for new speed
- * @drive: drive to configure for
- * @speed: desired speed
+ * ali_set_dma_mode - set host controller for DMA mode
+ * @drive: drive
+ * @speed: DMA mode
*
* Configure the hardware for the desired IDE transfer mode.
- * We also do the needed drive configuration through helpers
*/
-static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed)
+static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
@@ -419,7 +403,7 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed)
int m5229_udma = (hwif->channel) ? 0x57 : 0x56;
if (speed < XFER_PIO_0)
- return 1;
+ return;
if (speed == XFER_UDMA_6)
speed1 = 0x47;
@@ -450,7 +434,6 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed)
pci_write_config_byte(dev, 0x4b, tmpbyte);
}
}
- return (ide_config_drive_speed(drive, speed));
}
/**
@@ -699,7 +682,7 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
{
hwif->autodma = 0;
hwif->set_pio_mode = &ali_set_pio_mode;
- hwif->speedproc = &ali15x3_tune_chipset;
+ hwif->set_dma_mode = &ali_set_dma_mode;
hwif->udma_filter = &ali_udma_filter;
/* don't use LBA48 DMA on ALi devices before rev 0xC5 */
@@ -711,6 +694,10 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
return;
}
+ /*
+ * check in ->init_dma guarantees m5229_revision >= 0x20 here
+ */
+
if (m5229_revision > 0x20)
hwif->atapi_dma = 1;
@@ -728,18 +715,15 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
- if (m5229_revision >= 0x20) {
- /*
- * M1543C or newer for DMAing
- */
- hwif->ide_dma_check = &ali15x3_config_drive_for_dma;
- hwif->dma_setup = &ali15x3_dma_setup;
- if (!noautodma)
- hwif->autodma = 1;
-
- if (hwif->cbl != ATA_CBL_PATA40_SHORT)
- hwif->cbl = ata66_ali15x3(hwif);
- }
+ hwif->ide_dma_check = &ali15x3_config_drive_for_dma;
+ hwif->dma_setup = &ali15x3_dma_setup;
+
+ if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+ hwif->cbl = ata66_ali15x3(hwif);
+
+ if (!noautodma)
+ hwif->autodma = 1;
+
hwif->drives[0].autodma = hwif->autodma;
hwif->drives[1].autodma = hwif->autodma;
}