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PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY

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The IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY bits are unused.
Remove them and code that depends on them.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-03-02 21:46:50 -06:00
parent 97f47e73c4
commit d9c8bea179
3 changed files with 1 additions and 33 deletions
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1
drivers/pci/remove.c
View File

@ -7,7 +7,6 @@ static void pci_free_resources(struct pci_dev *dev)
{
int i;
pci_cleanup_rom(dev);
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
struct resource *res = dev->resource + i;
if (res->parent)

31
drivers/pci/rom.c
View File

@ -128,12 +128,6 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
loff_t start;
void __iomem *rom;
if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) {
*size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
return (void __iomem *)(unsigned long)
pci_resource_start(pdev, PCI_ROM_RESOURCE);
}
/* assign the ROM an address if it doesn't have one */
if (res->parent == NULL && pci_assign_resource(pdev, PCI_ROM_RESOURCE))
return NULL;
@ -150,8 +144,7 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
rom = ioremap(start, *size);
if (!rom) {
/* restore enable if ioremap fails */
if (!(res->flags & (IORESOURCE_ROM_ENABLE |
IORESOURCE_ROM_COPY)))
if (!(res->flags & IORESOURCE_ROM_ENABLE))
pci_disable_rom(pdev);
return NULL;
}
@ -177,9 +170,6 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
return;
iounmap(rom);
/* Disable again before continuing */
@ -188,25 +178,6 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
}
EXPORT_SYMBOL(pci_unmap_rom);
/**
* pci_cleanup_rom - free the ROM copy created by pci_map_rom_copy
* @pdev: pointer to pci device struct
*
* Free the copied ROM if we allocated one.
*/
void pci_cleanup_rom(struct pci_dev *pdev)
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
if (res->flags & IORESOURCE_ROM_COPY) {
kfree((void *)(unsigned long)res->start);
res->flags |= IORESOURCE_UNSET;
res->flags &= ~IORESOURCE_ROM_COPY;
res->start = 0;
res->end = 0;
}
}
/**
* pci_platform_rom - provides a pointer to any ROM image provided by the
* platform

2
include/linux/ioport.h
View File

@ -99,8 +99,6 @@ struct resource {
/* PCI ROM control bits (IORESOURCE_BITS) */
#define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */
#define IORESOURCE_ROM_SHADOW (1<<1) /* Use RAM image, not ROM BAR */
#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 */
/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */
#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */