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MIPS: PCI: Use pci_resource_to_user to map pci memory space properly 

[ralf@linux-mips.org: This only matters to Alchemy platforms.  On other
platforms fixup_bigphys_addr is just an identidy mapping.]

Signed-off-by: Wolfgang Grandegger <wg@denx.de>
Cc: tiejun.chen <tiejun.chen@windriver.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/1868/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Wolfgang Grandegger 2010-12-13 21:48:10 +01:00 committed by Ralf Baechle
parent 9213ad7707
commit 4c2924b725
1 changed files with 12 additions and 0 deletions
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12
arch/mips/include/asm/pci.h
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@ -83,6 +83,18 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc, resource_size_t *start,
resource_size_t *end)
{
phys_t size = resource_size(rsrc);
*start = fixup_bigphys_addr(rsrc->start, size);
*end = rsrc->start + size;
}
/*
* Dynamic DMA mapping stuff.
* MIPS has everything mapped statically.