diff options
Diffstat (limited to 'drivers/ide/pci/alim15x3.c')
-rw-r--r-- | drivers/ide/pci/alim15x3.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 37ecd726aa4..005402ab748 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -283,17 +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) */ /** - * ali15x3_tune_pio - set up chipset for PIO mode - * @drive: drive to tune - * @pio: desired mode - * - * Select the best PIO mode for the drive in question. - * Then program the controller for this mode. + * ali_tune_pio - set host controller for PIO mode + * @drive: drive + * @pio: PIO mode number * - * Returns the PIO mode programmed. + * Program the controller for the given PIO mode. */ - -static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) + +static void ali_tune_pio(ide_drive_t *drive, const u8 pio) { ide_hwif_t *hwif = HWIF(drive); struct pci_dev *dev = hwif->pci_dev; @@ -306,7 +303,6 @@ static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) u8 cd_dma_fifo = 0; int unit = drive->select.b.unit & 1; - pio = ide_get_best_pio_mode(drive, pio, 5); s_time = ide_pio_timings[pio].setup_time; a_time = ide_pio_timings[pio].active_time; if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8) @@ -359,22 +355,20 @@ static u8 ali15x3_tune_pio (ide_drive_t *drive, u8 pio) * { 25, 70, 25 }, PIO Mode 4 with IORDY ns * { 20, 50, 30 } PIO Mode 5 with IORDY (nonstandard) */ - - return pio; } /** - * ali15x3_tune_drive - set up drive for PIO mode + * ali_set_pio_mode - set up drive for PIO mode * @drive: drive to tune * @pio: desired mode * - * Program the controller with the best PIO timing for the given drive. + * Program the controller with the desired PIO timing for the given drive. * Then set up the drive itself. */ -static void ali15x3_tune_drive (ide_drive_t *drive, u8 pio) +static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio) { - pio = ali15x3_tune_pio(drive, pio); + ali_tune_pio(drive, pio); (void) ide_config_drive_speed(drive, XFER_PIO_0 + pio); } @@ -437,7 +431,7 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) pci_write_config_byte(dev, m5229_udma, tmpbyte); if (speed < XFER_SW_DMA_0) - (void) ali15x3_tune_pio(drive, speed - XFER_PIO_0); + ali_tune_pio(drive, speed - XFER_PIO_0); } else { pci_read_config_byte(dev, m5229_udma, &tmpbyte); tmpbyte &= (0x0f << ((1-unit) << 2)); @@ -470,7 +464,7 @@ static int ali15x3_config_drive_for_dma(ide_drive_t *drive) if (ide_tune_dma(drive)) return 0; - ali15x3_tune_drive(drive, 255); + ide_set_max_pio(drive); return -1; } @@ -700,7 +694,7 @@ static u8 __devinit ata66_ali15x3(ide_hwif_t *hwif) static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif) { hwif->autodma = 0; - hwif->tuneproc = &ali15x3_tune_drive; + hwif->set_pio_mode = &ali_set_pio_mode; hwif->speedproc = &ali15x3_tune_chipset; hwif->udma_filter = &ali_udma_filter; |