From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 7 Mar 2008 20:53:49 +0000 (+0100)
Subject: ide: fix enabling DMA on it821x in "smart" mode
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ef4298d0f06c788d204caa9e395de6e9e2fd9fc9;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ide: fix enabling DMA on it821x in "smart" mode

ide_tune_dma() should return '1' if IDE_HFLAG_NO_SET_MODE host flag is set.

Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 2de99e4be5c9..d61e5788d310 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -713,7 +713,7 @@ static int ide_tune_dma(ide_drive_t *drive)
 	}
 
 	if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
-		return 0;
+		return 1;
 
 	if (ide_set_dma_mode(drive, speed))
 		return 0;