diff options
Diffstat (limited to 'drivers/ide/pci/via82cxxx.c')
-rw-r--r-- | drivers/ide/pci/via82cxxx.c | 57 |
1 files changed, 19 insertions, 38 deletions
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c index a7be7795e6a..479e4966103 100644 --- a/drivers/ide/pci/via82cxxx.c +++ b/drivers/ide/pci/via82cxxx.c @@ -1,6 +1,6 @@ /* * - * Version 3.47 + * Version 3.49 * * VIA IDE driver for Linux. Supported southbridges: * @@ -153,21 +153,17 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing) * @drive: Drive to set up * @speed: desired speed * - * via_set_drive() computes timing values configures the drive and - * the chipset to a desired transfer mode. It also can be called - * by upper layers. + * via_set_drive() computes timing values configures the chipset to + * a desired transfer mode. It also can be called by upper layers. */ -static int via_set_drive(ide_drive_t *drive, u8 speed) +static void via_set_drive(ide_drive_t *drive, const u8 speed) { ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); struct via82cxxx_dev *vdev = pci_get_drvdata(drive->hwif->pci_dev); struct ide_timing t, p; unsigned int T, UT; - if (speed != XFER_PIO_SLOW) - ide_config_drive_speed(drive, speed); - T = 1000000000 / via_clock; switch (vdev->via_config->udma_mask) { @@ -186,28 +182,19 @@ static int via_set_drive(ide_drive_t *drive, u8 speed) } via_set_speed(HWIF(drive), drive->dn, &t); - - if (!drive->init_speed) - drive->init_speed = speed; - drive->current_speed = speed; - - return 0; } /** - * via82cxxx_tune_drive - PIO setup - * @drive: drive to set up - * @pio: mode to use (255 for 'best possible') + * via_set_pio_mode - set host controller for PIO mode + * @drive: drive + * @pio: PIO mode number * * A callback from the upper layers for PIO-only tuning. */ -static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio) +static void via_set_pio_mode(ide_drive_t *drive, const u8 pio) { - if (pio == 255) - pio = ide_get_best_pio_mode(drive, 255, 5); - - via_set_drive(drive, XFER_PIO_0 + min_t(u8, pio, 5)); + via_set_drive(drive, XFER_PIO_0 + pio); } /** @@ -220,18 +207,11 @@ static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio) static int via82cxxx_ide_dma_check (ide_drive_t *drive) { - u8 speed = ide_max_dma_mode(drive); - - if (speed == 0) { - via82cxxx_tune_drive(drive, 255); - return -1; - } - - via_set_drive(drive, speed); - - if (drive->autodma) + if (ide_tune_dma(drive)) return 0; + ide_set_max_pio(drive); + return -1; } @@ -419,7 +399,7 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const * Cable special cases */ -static struct dmi_system_id cable_dmi_table[] = { +static const struct dmi_system_id cable_dmi_table[] = { { .ident = "Acer Ferrari 3400", .matches = { @@ -465,9 +445,8 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif) hwif->autodma = 0; - hwif->tuneproc = &via82cxxx_tune_drive; - hwif->speedproc = &via_set_drive; - + hwif->set_pio_mode = &via_set_pio_mode; + hwif->set_dma_mode = &via_set_drive; #ifdef CONFIG_PPC_CHRP if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) { @@ -510,7 +489,8 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = { .enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}}, .bootable = ON_BOARD, .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST - | IDE_HFLAG_PIO_NO_DOWNGRADE, + | IDE_HFLAG_PIO_NO_DOWNGRADE + | IDE_HFLAG_POST_SET_MODE, .pio_mask = ATA_PIO5, },{ /* 1 */ .name = "VP_IDE", @@ -520,7 +500,8 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = { .enablebits = {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, .bootable = ON_BOARD, .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST - | IDE_HFLAG_PIO_NO_DOWNGRADE, + | IDE_HFLAG_PIO_NO_DOWNGRADE + | IDE_HFLAG_POST_SET_MODE, .pio_mask = ATA_PIO5, } }; |