---

yaml --- r: 336106 b: refs/heads/master c: 1dc831b h: refs/heads/master v: v3
git-mirror · Nov 21, 2012 · d053ab8 · d053ab8
1 parent beac2fd
commit d053ab8
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Showing 3 changed files with 10 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d356cf5a74afa32b40decca3c9dd88bc3cd63eb5
+refs/heads/master: 1dc831bf53fddcc6443f74a39e72db5bcea4f15d
diff --git a/trunk/arch/arm/Kconfig b/trunk/arch/arm/Kconfig
@@ -547,6 +547,7 @@ config ARCH_KIRKWOOD
 	select CPU_FEROCEON
 	select GENERIC_CLOCKEVENTS
 	select PCI
+	select PCI_QUIRKS
 	select PLAT_ORION_LEGACY
 	help
 	  Support for the following Marvell Kirkwood series SoCs:

diff --git a/trunk/arch/arm/mach-kirkwood/pcie.c b/trunk/arch/arm/mach-kirkwood/pcie.c
@@ -207,14 +207,19 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
 	return 1;
 }
 
+/*
+ * The root complex has a hardwired class of PCI_CLASS_MEMORY_OTHER, when it
+ * is operating as a root complex this needs to be switched to
+ * PCI_CLASS_BRIDGE_HOST or Linux will errantly try to process the BAR's on
+ * the device. Decoding setup is handled by the orion code.
+ */
 static void __devinit rc_pci_fixup(struct pci_dev *dev)
 {
-	/*
-	 * Prevent enumeration of root complex.
-	 */
 	if (dev->bus->parent == NULL && dev->devfn == 0) {
 		int i;
 
+		dev->class &= 0xff;
+		dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
 		for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
 			dev->resource[i].start = 0;
 			dev->resource[i].end   = 0;