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Commit 4c2924b7 authored by Wolfgang Grandegger's avatar Wolfgang Grandegger Committed by Ralf Baechle
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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: default avatarWolfgang 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: default avatarRalf Baechle <ralf@linux-mips.org>
parent 9213ad77

arch/mips/include/asm/pci.h

+12 −0
Original line number Diff line number Diff line
@@ -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.