From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Sat, 2 Feb 2008 18:56:30 +0000 (+0100)
Subject: ide: always set DMA masks in ide_pci_setup_ports()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bf77c5317168eb73894bcc9a455429c4589a179d;p=openwrt%2Fstaging%2Fblogic.git

ide: always set DMA masks in ide_pci_setup_ports()

Always set DMA masks in ide_pci_setup_ports() to make sure that the valid
masks for a host are set.

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

diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 05db429a7da8..acef85d1c581 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -558,10 +558,15 @@ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, int
 			hwif->drives[1].unmask = 1;
 		}
 
-		if (hwif->dma_base) {
-			hwif->swdma_mask = d->swdma_mask;
-			hwif->mwdma_mask = d->mwdma_mask;
-			hwif->ultra_mask = d->udma_mask;
+		hwif->swdma_mask = d->swdma_mask;
+		hwif->mwdma_mask = d->mwdma_mask;
+		hwif->ultra_mask = d->udma_mask;
+
+		if ((d->host_flags && IDE_HFLAG_NO_DMA) == 0 &&
+		    hwif->dma_base == 0) {
+			hwif->swdma_mask = 0;
+			hwif->mwdma_mask = 0;
+			hwif->ultra_mask = 0;
 		}
 
 		hwif->drives[0].autotune = 1;