X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fpci%2From.c;h=43e4a49f2cc428275cc77a74bb52c61fe9d428b3;hb=7c2aed4b5632fb536721b8494d1a4a65852ffb49;hp=f5ee7ce16fa61ea6fc4c3e096edc86140fa4e668;hpb=0d10e47f9635ecafe5a9dc6e10cb056a87a4daa2;p=linux-2.6

diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index f5ee7ce16f..43e4a49f2c 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -71,7 +71,10 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
 	void __iomem *image;
 	int last_image;
 
-	/* IORESOURCE_ROM_SHADOW only set on x86 */
+	/*
+	 * IORESOURCE_ROM_SHADOW set if the VGA enable bit of the Bridge Control
+	 * register is set for embedded VGA.
+	 */
 	if (res->flags & IORESOURCE_ROM_SHADOW) {
 		/* primary video rom always starts here */
 		start = (loff_t)0xC0000;