diff options
Diffstat (limited to 'drivers/ide/trm290.c')
| -rw-r--r-- | drivers/ide/trm290.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/ide/trm290.c b/drivers/ide/trm290.c index b6a1285a4021..ed1496845a93 100644 --- a/drivers/ide/trm290.c +++ b/drivers/ide/trm290.c @@ -176,18 +176,12 @@ static void trm290_selectproc (ide_drive_t *drive) trm290_prepare_drive(drive, !!(drive->dev_flags & IDE_DFLAG_USING_DMA)); } -static void trm290_dma_exec_cmd(ide_drive_t *drive, u8 command) -{ - ide_execute_command(drive, command, &ide_dma_intr, WAIT_CMD, NULL); -} - -static int trm290_dma_setup(ide_drive_t *drive) +static int trm290_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) { ide_hwif_t *hwif = drive->hwif; - struct request *rq = hwif->rq; unsigned int count, rw; - if (rq_data_dir(rq)) { + if (cmd->tf_flags & IDE_TFLAG_WRITE) { #ifdef TRM290_NO_DMA_WRITES /* always use PIO for writes */ trm290_prepare_drive(drive, 0); /* select PIO xfer */ @@ -197,7 +191,9 @@ static int trm290_dma_setup(ide_drive_t *drive) } else rw = 2; - if (!(count = ide_build_dmatable(drive, rq))) { + count = ide_build_dmatable(drive, cmd); + if (count == 0) { + ide_map_sg(drive, cmd); /* try PIO instead of DMA */ trm290_prepare_drive(drive, 0); /* select PIO xfer */ return 1; @@ -277,9 +273,6 @@ static void __devinit init_hwif_trm290(ide_hwif_t *hwif) if (reg & 0x10) /* legacy mode */ hwif->irq = hwif->channel ? 15 : 14; - else if (!hwif->irq && hwif->mate && hwif->mate->irq) - /* sharing IRQ with mate */ - hwif->irq = hwif->mate->irq; #if 1 { @@ -317,7 +310,6 @@ static const struct ide_port_ops trm290_port_ops = { static struct ide_dma_ops trm290_dma_ops = { .dma_host_set = trm290_dma_host_set, .dma_setup = trm290_dma_setup, - .dma_exec_cmd = trm290_dma_exec_cmd, .dma_start = trm290_dma_start, .dma_end = trm290_dma_end, .dma_test_irq = trm290_dma_test_irq, |