diff options
Diffstat (limited to 'drivers/ide/cris/ide-cris.c')
| -rw-r--r-- | drivers/ide/cris/ide-cris.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 2b4d2a0ae5c..7f5bc2ee6c7 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); @@ -749,8 +748,7 @@ static void cris_set_dma_mode(ide_drive_t *drive, const u8 speed) hold = ATA_DMA2_HOLD; break; default: - BUG(); - break; + return; } if (speed >= XFER_UDMA_0) @@ -783,7 +781,7 @@ init_e100_ide (void) ide_offsets, 0, 0, cris_ide_ack_intr, ide_default_irq(0)); - ide_register_hw(&hw, 1, &hwif); + ide_register_hw(&hw, NULL, 1, &hwif); hwif->mmio = 1; hwif->chipset = ide_etrax100; hwif->set_pio_mode = &cris_set_pio_mode; @@ -792,7 +790,6 @@ init_e100_ide (void) 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; @@ -807,12 +804,12 @@ 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 */ @@ -937,10 +934,11 @@ static int cris_ide_build_dmatable (ide_drive_t *drive) * than two possibly non-adjacent physical 4kB pages. */ /* group sequential buffers into one large buffer */ - addr = page_to_phys(sg->page) + sg->offset; + addr = sg_phys(sg); size = sg_dma_len(sg); - while (sg++, --i) { - if ((addr + size) != page_to_phys(sg->page) + sg->offset) + while (--i) { + sg = sg_next(sg); + if ((addr + size) != sg_phys(sg)) break; size += sg_dma_len(sg); } @@ -1017,14 +1015,6 @@ 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; |