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 f4725e8c16b727c2531561f17584f9f318795ea6..fc640d5d4aaf625a990076122511d89aca988c49 100644 (file)
--- 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));