The patch titled
revert gregkh-pci-altix-rom-shadowing
has been removed from the -mm tree. Its filename is
revert-gregkh-pci-altix-rom-shadowing.patch
This patch was dropped because other patches broke it
------------------------------------------------------
Subject: revert gregkh-pci-altix-rom-shadowing
From: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/ia64/sn/kernel/io_acpi_init.c | 33 ---------------------------
arch/ia64/sn/kernel/io_common.c | 5 +---
arch/ia64/sn/kernel/io_init.c | 3 --
drivers/pci/rom.c | 9 ++-----
include/linux/ioport.h | 1
5 files changed, 5 insertions(+), 46 deletions(-)
diff -puN arch/ia64/sn/kernel/io_acpi_init.c~revert-gregkh-pci-altix-rom-shadowing arch/ia64/sn/kernel/io_acpi_init.c
--- a/arch/ia64/sn/kernel/io_acpi_init.c~revert-gregkh-pci-altix-rom-shadowing
+++ a/arch/ia64/sn/kernel/io_acpi_init.c
@@ -169,39 +169,6 @@ sn_acpi_bus_fixup(struct pci_bus *bus)
}
}
-/*
- * sn_acpi_slot_fixup - Perform any SN specific slot fixup.
- * At present there does not appear to be
- * any generic way to handle a ROM image
- * that has been shadowed by the PROM, so
- * we pass a pointer to it within the
- * pcidev_info structure.
- */
-
-void
-sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info)
-{
- void __iomem *addr;
- size_t size;
-
- if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) {
- /*
- * A valid ROM image exists and has been shadowed by the
- * PROM. Setup the pci_dev ROM resource to point to
- * the shadowed copy.
- */
- size = dev->resource[PCI_ROM_RESOURCE].end -
- dev->resource[PCI_ROM_RESOURCE].start;
- addr =
- ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
- size);
- dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr;
- dev->resource[PCI_ROM_RESOURCE].end =
- (unsigned long) addr + size;
- dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY;
- }
-}
-
static struct acpi_driver acpi_sn_hubdev_driver = {
.name = "SGI HUBDEV Driver",
.ids = "SGIHUB,SGITIO",
diff -puN arch/ia64/sn/kernel/io_common.c~revert-gregkh-pci-altix-rom-shadowing arch/ia64/sn/kernel/io_common.c
--- a/arch/ia64/sn/kernel/io_common.c~revert-gregkh-pci-altix-rom-shadowing
+++ a/arch/ia64/sn/kernel/io_common.c
@@ -286,10 +286,9 @@ void sn_pci_fixup_slot(struct pci_dev *d
list_add_tail(&pcidev_info->pdi_list,
&(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
- if (SN_ACPI_BASE_SUPPORT())
- sn_acpi_slot_fixup(dev, pcidev_info);
- else
+ if (!SN_ACPI_BASE_SUPPORT())
sn_more_slot_fixup(dev, pcidev_info);
+
/*
* Using the PROMs values for the PCI host bus, get the Linux
* PCI host_pci_dev struct and set up host bus linkages
diff -puN arch/ia64/sn/kernel/io_init.c~revert-gregkh-pci-altix-rom-shadowing arch/ia64/sn/kernel/io_init.c
--- a/arch/ia64/sn/kernel/io_init.c~revert-gregkh-pci-altix-rom-shadowing
+++ a/arch/ia64/sn/kernel/io_init.c
@@ -210,9 +210,6 @@ sn_more_slot_fixup(struct pci_dev *dev,
dev->resource[idx].parent = &ioport_resource;
else
dev->resource[idx].parent = &iomem_resource;
- /* If ROM, mark as shadowed in PROM */
- if (idx == PCI_ROM_RESOURCE)
- dev->resource[idx].flags |= IORESOURCE_ROM_BIOS_COPY;
}
/* Create a pci_window in the pci_controller struct for
* each device resource.
diff -puN drivers/pci/rom.c~revert-gregkh-pci-altix-rom-shadowing drivers/pci/rom.c
--- a/drivers/pci/rom.c~revert-gregkh-pci-altix-rom-shadowing
+++ a/drivers/pci/rom.c
@@ -80,8 +80,7 @@ void __iomem *pci_map_rom(struct pci_dev
start = (loff_t)0xC0000;
*size = 0x20000; /* cover C000:0 through E000:0 */
} else {
- if (res->flags &
- (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) {
+ if (res->flags & IORESOURCE_ROM_COPY) {
*size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
return (void __iomem *)(unsigned long)
pci_resource_start(pdev, PCI_ROM_RESOURCE);
@@ -165,8 +164,7 @@ void __iomem *pci_map_rom_copy(struct pc
if (!rom)
return NULL;
- if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW |
- IORESOURCE_ROM_BIOS_COPY))
+ if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW))
return rom;
res->start = (unsigned long)kmalloc(*size, GFP_KERNEL);
@@ -192,7 +190,7 @@ void pci_unmap_rom(struct pci_dev *pdev,
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
- if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
+ if (res->flags & IORESOURCE_ROM_COPY)
return;
iounmap(rom);
@@ -216,7 +214,6 @@ void pci_remove_rom(struct pci_dev *pdev
sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
if (!(res->flags & (IORESOURCE_ROM_ENABLE |
IORESOURCE_ROM_SHADOW |
- IORESOURCE_ROM_BIOS_COPY |
IORESOURCE_ROM_COPY)))
pci_disable_rom(pdev);
}
diff -puN include/linux/ioport.h~revert-gregkh-pci-altix-rom-shadowing include/linux/ioport.h
--- a/include/linux/ioport.h~revert-gregkh-pci-altix-rom-shadowing
+++ a/include/linux/ioport.h
@@ -89,7 +89,6 @@ struct resource_list {
#define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */
#define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */
#define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */
-#define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */
/* PC/ISA/whatever - the normal PC address spaces: IO and memory */
extern struct resource ioport_resource;
_
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