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Message-Id: <47e2b47595ff658ded621e9610f9f7b0226d26b7.1490188942.git.dwmw2@infradead.org>
Date: Wed, 22 Mar 2017 13:25:30 +0000
From: David Woodhouse <dwmw2@...radead.org>
To: linux-pci@...r.kernel.org, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 16/17] unicore: Use generic pci_mmap_resource_range()
From: David Woodhouse <dwmw@...zon.co.uk>
Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
---
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 a5129086..ac5acdf 100644
--- a/arch/unicore32/include/asm/pci.h
+++ b/arch/unicore32/include/asm/pci.h
@@ -17,6 +17,7 @@
#include <mach/hardware.h> /* 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 1b43885..1053bca 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;
-}
--
2.9.3
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