diff options
Diffstat (limited to 'drivers/ide/cris/ide-cris.c')
-rw-r--r-- | drivers/ide/cris/ide-cris.c | 38 |
1 files changed, 9 insertions, 29 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 04636f7..9a96a10 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -664,7 +664,6 @@ cris_ide_inb(unsigned long reg) return (unsigned char)cris_ide_inw(reg); } -static int cris_dma_check (ide_drive_t *drive); static int cris_dma_end (ide_drive_t *drive); static int cris_dma_setup (ide_drive_t *drive); static void cris_dma_exec_cmd (ide_drive_t *drive, u8 command); @@ -680,12 +679,10 @@ static void cris_dma_off(ide_drive_t *drive) { } -static void tune_cris_ide(ide_drive_t *drive, u8 pio) +static void cris_set_pio_mode(ide_drive_t *drive, const u8 pio) { int setup, strobe, hold; - pio = ide_get_best_pio_mode(drive, pio, 4); - switch(pio) { case 0: @@ -718,19 +715,12 @@ static void tune_cris_ide(ide_drive_t *drive, u8 pio) } cris_ide_set_speed(TYPE_PIO, setup, strobe, hold); - - (void)ide_config_drive_speed(drive, XFER_PIO_0 + pio); } -static int speed_cris_ide(ide_drive_t *drive, u8 speed) +static void cris_set_dma_mode(ide_drive_t *drive, const u8 speed) { int cyc = 0, dvs = 0, strobe = 0, hold = 0; - if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) { - tune_cris_ide(drive, speed - XFER_PIO_0); - return ide_config_drive_speed(drive, speed); - } - switch(speed) { case XFER_UDMA_0: @@ -766,8 +756,6 @@ static int speed_cris_ide(ide_drive_t *drive, u8 speed) cris_ide_set_speed(TYPE_UDMA, cyc, dvs, 0); else cris_ide_set_speed(TYPE_DMA, 0, strobe, hold); - - return ide_config_drive_speed(drive, speed); } void __init @@ -797,13 +785,12 @@ init_e100_ide (void) ide_register_hw(&hw, 1, &hwif); hwif->mmio = 1; hwif->chipset = ide_etrax100; - hwif->tuneproc = &tune_cris_ide; - hwif->speedproc = &speed_cris_ide; + hwif->set_pio_mode = &cris_set_pio_mode; + hwif->set_dma_mode = &cris_set_dma_mode; hwif->ata_input_data = &cris_ide_input_data; hwif->ata_output_data = &cris_ide_output_data; hwif->atapi_input_bytes = &cris_atapi_input_bytes; hwif->atapi_output_bytes = &cris_atapi_output_bytes; - hwif->ide_dma_check = &cris_dma_check; hwif->ide_dma_end = &cris_dma_end; hwif->dma_setup = &cris_dma_setup; hwif->dma_exec_cmd = &cris_dma_exec_cmd; @@ -818,12 +805,12 @@ init_e100_ide (void) hwif->dma_host_on = &cris_dma_on; hwif->dma_off_quietly = &cris_dma_off; hwif->cbl = ATA_CBL_PATA40; + hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA; hwif->pio_mask = ATA_PIO4, + hwif->drives[0].autotune = 1; + hwif->drives[1].autotune = 1; hwif->ultra_mask = cris_ultra_mask; hwif->mwdma_mask = 0x07; /* Multiword DMA 0-2 */ - hwif->autodma = 1; - hwif->drives[0].autodma = 1; - hwif->drives[1].autodma = 1; } /* Reset pulse */ @@ -950,7 +937,8 @@ static int cris_ide_build_dmatable (ide_drive_t *drive) /* group sequential buffers into one large buffer */ addr = page_to_phys(sg->page) + sg->offset; size = sg_dma_len(sg); - while (sg++, --i) { + while (--i) { + sg = sg_next(sg); if ((addr + size) != page_to_phys(sg->page) + sg->offset) break; size += sg_dma_len(sg); @@ -1028,14 +1016,6 @@ static ide_startstop_t cris_dma_intr (ide_drive_t *drive) * the caller should revert to PIO for the current request. */ -static int cris_dma_check(ide_drive_t *drive) -{ - if (ide_tune_dma(drive)) - return 0; - - return -1; -} - static int cris_dma_end(ide_drive_t *drive) { drive->waiting_for_dma = 0; |