From 793a97228d3da876f42b7fb4d4a52cc8cc86dc81 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 16 May 2007 00:51:43 +0200 Subject: [PATCH] ide: always disable DMA before tuning it ide_start_power_step() and set_using_dma() were missing ->dma_off_quietly call (comment in probe_hwif() states that DMA should be always cleared before tuning is attempted). Fix it. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-io.c | 1 + drivers/ide/ide.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 8e568143d90..bfe8f1b712b 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -223,6 +223,7 @@ static ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request * break; if (drive->hwif->ide_dma_check == NULL) break; + drive->hwif->dma_off_quietly(drive); ide_set_dma(drive); break; } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index f2b547ff772..6002713a20a 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -910,6 +910,7 @@ int set_using_dma(ide_drive_t *drive, int arg) err = 0; if (arg) { + hwif->dma_off_quietly(drive); if (ide_set_dma(drive) || hwif->ide_dma_on(drive)) err = -EIO; } else -- 2.20.1