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Fix handle-efi-roms.patch to actually use the copy it got from EFI

This commit is contained in:
David Woodhouse 2012-10-06 20:07:42 +01:00
parent cc41f66d97
commit 61db236d13
1 changed files with 16 additions and 10 deletions
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26
handle-efi-roms.patch
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@ -332,19 +332,25 @@ diff -ur linux-3.6.0-0.rc2.git2.1.fc18.x86_64/drivers/pci/pci.c ../kernel-3.5.fc
diff -ur linux-3.6.0-0.rc2.git2.1.fc18.x86_64/drivers/pci/rom.c ../kernel-3.5.fc18.bak/linux-3.6.0-0.rc2.git2.1.fc18.x86_64/drivers/pci/rom.c
--- linux-3.6.0-0.rc2.git2.1.fc18.x86_64/drivers/pci/rom.c 2012-07-21 16:58:29.000000000 -0400
+++ ../kernel-3.5.fc18.bak/linux-3.6.0-0.rc2.git2.1.fc18.x86_64/drivers/pci/rom.c 2012-08-22 15:25:40.531244893 -0400
@@ -126,6 +126,12 @@
@@ -118,11 +118,17 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
void __iomem *rom;
/*
+ * Some devices may provide ROMs via a source other than the BAR
+ */
+ if (pdev->rom && pdev->romlen) {
+ *size = pdev->romlen;
+ return phys_to_virt(pdev->rom);
+ /*
* IORESOURCE_ROM_SHADOW set on x86, x86_64 and IA64 supports legacy
* memory map if the VGA enable bit of the Bridge Control register is
* set for embedded VGA.
*/
- if (res->flags & IORESOURCE_ROM_SHADOW) {
+ } else if (res->flags & IORESOURCE_ROM_SHADOW) {
/* primary video rom always starts here */
start = (loff_t)0xC0000;
*size = 0x20000; /* cover C000:0 through E000:0 */
+ /*
+ * Some devices may provide ROMs via a source other than the BAR
+ */
+ } else if (pdev->rom && pdev->romlen) {
+ *size = pdev->romlen;
+ return phys_to_virt(pdev->rom);
} else {
if (res->flags &
(IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) {
@@ -219,7 +225,8 @@
if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
return;