---

yaml --- r: 294724 b: refs/heads/master c: dcef0d0 h: refs/heads/master v: v3
git-mirror · Feb 23, 2012 · 945b908 · 945b908
1 parent 1646be4
commit 945b908
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5b415f1e79e0c09366f26e3eabe751642059285a
+refs/heads/master: dcef0d06b34a80071da4496556e85f9bf3b3c0bf
diff --git a/trunk/drivers/pci/setup-bus.c b/trunk/drivers/pci/setup-bus.c
@@ -914,6 +914,14 @@ static void pci_bus_size_cardbus(struct pci_bus *bus,
 	if (realloc_head)
 		add_to_list(realloc_head, bridge, b_res+1, pci_cardbus_io_size, 0 /* dont care */);
 
+	/* MEM1 must not be pref mmio */
+	pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
+	if (ctrl & PCI_CB_BRIDGE_CTL_PREFETCH_MEM1) {
+		ctrl &= ~PCI_CB_BRIDGE_CTL_PREFETCH_MEM1;
+		pci_write_config_word(bridge, PCI_CB_BRIDGE_CONTROL, ctrl);
+		pci_read_config_word(bridge, PCI_CB_BRIDGE_CONTROL, &ctrl);
+	}
+
 	/*
 	 * Check whether prefetchable memory is supported
 	 * by this bridge.