[PATCH] ide-pmac: remove control register messing from pmac_ide_dma_check() pmac_ide_do_setfeature() contains matching nIEN setting/clearing so this Device Control register messing in pmac_ide_dma_check() is totally unnecessary. Cc: Benjamin Herrenschmidt Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ppc/pmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/drivers/ide/ppc/pmac.c =================================================================== --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -1784,7 +1784,7 @@ pmac_ide_dma_check(ide_drive_t *drive) drive->using_dma = pmac_ide_udma_enable(drive, mode); else if (mode >= XFER_MW_DMA_0) drive->using_dma = pmac_ide_mdma_enable(drive, mode); - hwif->OUTB(0, IDE_CONTROL_REG); + /* Apply settings to controller */ pmac_ide_do_update_timings(drive); }