diff options
Diffstat (limited to 'drivers/ide/pci/amd74xx.c')
| -rw-r--r-- | drivers/ide/pci/amd74xx.c | 51 |
1 files changed, 16 insertions, 35 deletions
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c index 06c15a6a3e7..6ff4089a237 100644 --- a/drivers/ide/pci/amd74xx.c +++ b/drivers/ide/pci/amd74xx.c @@ -1,5 +1,5 @@ /* - * Version 2.21 + * Version 2.23 * * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04 * IDE driver for Linux. @@ -229,20 +229,16 @@ static void amd_set_speed(struct pci_dev *dev, unsigned char dn, struct ide_timi } /* - * amd_set_drive() computes timing values configures the drive and - * the chipset to a desired transfer mode. It also can be called - * by upper layers. + * amd_set_drive() computes timing values and configures the chipset + * to a desired transfer mode. It also can be called by upper layers. */ -static int amd_set_drive(ide_drive_t *drive, u8 speed) +static void amd_set_drive(ide_drive_t *drive, const u8 speed) { ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1); struct ide_timing t, p; int T, UT; - if (speed != XFER_PIO_SLOW) - ide_config_drive_speed(drive, speed); - T = 1000000000 / amd_clock; UT = (amd_config->udma_mask == ATA_UDMA2) ? T : (T / 2); @@ -257,41 +253,24 @@ static int amd_set_drive(ide_drive_t *drive, u8 speed) if (speed == XFER_UDMA_6 && amd_clock <= 33333) t.udma = 15; amd_set_speed(HWIF(drive)->pci_dev, drive->dn, &t); - - if (!drive->init_speed) - drive->init_speed = speed; - drive->current_speed = speed; - - return 0; } /* - * amd74xx_tune_drive() is a callback from upper layers for - * PIO-only tuning. + * amd_set_pio_mode() is a callback from upper layers for PIO-only tuning. */ -static void amd74xx_tune_drive(ide_drive_t *drive, u8 pio) +static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio) { - if (pio == 255) - pio = ide_get_best_pio_mode(drive, 255, 5); - - amd_set_drive(drive, XFER_PIO_0 + min_t(byte, pio, 5)); + amd_set_drive(drive, XFER_PIO_0 + pio); } static int amd74xx_ide_dma_check(ide_drive_t *drive) { - u8 speed = ide_max_dma_mode(drive); - - if (speed == 0) { - amd74xx_tune_drive(drive, 255); - return -1; - } - - amd_set_drive(drive, speed); - - if (drive->autodma) + if (ide_tune_dma(drive)) return 0; + ide_set_max_pio(drive); + return -1; } @@ -409,8 +388,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) hwif->autodma = 0; - hwif->tuneproc = &amd74xx_tune_drive; - hwif->speedproc = &amd_set_drive; + hwif->set_pio_mode = &amd_set_pio_mode; + hwif->set_dma_mode = &amd_set_drive; for (i = 0; i < 2; i++) { hwif->drives[i].io_32bit = 1; @@ -452,7 +431,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .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, \ } @@ -465,7 +445,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif) .enablebits = {{0x50,0x02,0x02}, {0x50,0x01,0x01}}, \ .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, \ } |