From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 27 Jul 2015 23:51:14 +0000 (+0200)
Subject: ahci: Ensure that bus mastering is set.
X-Git-Tag: 2.02-beta3~227
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72fc110d95129410443b898e931ff7a1db75312e;p=thirdparty%2Fgrub.git

ahci: Ensure that bus mastering is set.

Fixes ahci_test failing on several platforms.
---

diff --git a/grub-core/disk/ahci.c b/grub-core/disk/ahci.c
index f4725e8c1..fc640d5d4 100644
--- a/grub-core/disk/ahci.c
+++ b/grub-core/disk/ahci.c
@@ -195,7 +195,7 @@ grub_ahci_pciinit (grub_pci_device_t dev,
 
   addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
   grub_pci_write_word (addr, grub_pci_read_word (addr)
-		    | GRUB_PCI_COMMAND_MEM_ENABLED);
+		    | GRUB_PCI_COMMAND_MEM_ENABLED | GRUB_PCI_COMMAND_BUS_MASTER);
 
   hba = grub_pci_device_map_range (dev, bar & GRUB_PCI_ADDR_MEM_MASK,
 				   sizeof (*hba));