From 69c701ec1f97315dc0f482699f370887448e150e Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Wed, 12 Apr 2017 13:26:06 +0100 Subject: [PATCH] unicore32/PCI: Use generic pci_mmap_resource_range() Signed-off-by: David Woodhouse Signed-off-by: Bjorn Helgaas --- arch/unicore32/include/asm/pci.h | 1 + arch/unicore32/kernel/pci.c | 24 ------------------------ 2 files changed, 1 insertion(+), 24 deletions(-) diff --git a/arch/unicore32/include/asm/pci.h b/arch/unicore32/include/asm/pci.h index a51290862acd..ac5acdf4c4d0 100644 --- a/arch/unicore32/include/asm/pci.h +++ b/arch/unicore32/include/asm/pci.h @@ -17,6 +17,7 @@ #include /* for PCIBIOS_MIN_* */ #define HAVE_PCI_MMAP +#define ARCH_GENERIC_PCI_MMAP_RESOURCE #endif /* __KERNEL__ */ #endif diff --git a/arch/unicore32/kernel/pci.c b/arch/unicore32/kernel/pci.c index 1b438857e91f..1053bca1f8aa 100644 --- a/arch/unicore32/kernel/pci.c +++ b/arch/unicore32/kernel/pci.c @@ -356,27 +356,3 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) } return 0; } - -int pci_mmap_page_range(struct pci_dev *dev, int bar, - struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - unsigned long phys; - - if (mmap_state == pci_mmap_io) - return -EINVAL; - - phys = vma->vm_pgoff; - - /* - * Mark this as IO - */ - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - - if (remap_pfn_range(vma, vma->vm_start, phys, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) - return -EAGAIN; - - return 0; -} -- 2.20.1