diff mbox

[v2,08/10] PCI, parisc: clip firmware assigned resource under parent bridge's

Message ID 1421296297-6371-9-git-send-email-yinghai@kernel.org (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Yinghai Lu Jan. 15, 2015, 4:31 a.m. UTC
Some bios put range that is not fully coverred by root bus resources.
Try to clip them and update them in pci bridge bars.

We'd like to fix other arches instead of just x86.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=85491
Reported-by: Marek Kordik <kordikmarek@gmail.com>
Fixes: 5b28541552ef ("PCI: Restrict 64-bit prefetchable bridge windows to 64-bit resources")
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-parisc@vger.kernel.org
---
 drivers/parisc/lba_pci.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 37e71ff..dceb9dd 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -694,9 +694,8 @@  lba_fixup_bus(struct pci_bus *bus)
 		int i;
 		/* PCI-PCI Bridge */
 		pci_read_bridge_bases(bus);
-		for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) {
-			pci_claim_resource(bus->self, i);
-		}
+		for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++)
+			pci_claim_bridge_resource(bus->self, i);
 	} else {
 		/* Host-PCI Bridge */
 		int err;