From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Sat, 1 Jul 2006 11:36:34 +0000 (-0700)
Subject: [PATCH] Fix problem with ATAPI DMA on IT8212 in Linux
X-Git-Tag: firefly_0821_release~34573
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=faab17ba06d86adf5568f3e9ff914e124546d19e;p=firefly-linux-kernel-4.4.55.git

[PATCH] Fix problem with ATAPI DMA on IT8212 in Linux

Missing variable initialisation would mean it would sometimes not put ATAPI
devices into DMA by default.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: <Jack.Lee@ite.com.tw>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 7fb3635683dc..3cb04424d351 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -650,6 +650,8 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
 	}
 	ide_set_hwifdata(hwif, idev);
 
+	hwif->atapi_dma = 1;
+
 	pci_read_config_byte(hwif->pci_dev, 0x50, &conf);
 	if(conf & 1) {
 		idev->smart = 1;