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From: David Woodhouse <dwmw2@infradead.org>
To: linux-pci@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 12/17] mips: Use generic pci_mmap_resource_range()
Date: Wed, 22 Mar 2017 13:25:26 +0000	[thread overview]
Message-ID: <fc38a01b8cce7716aac2713682b068cc8eb5a778.1490188942.git.dwmw2@infradead.org> (raw)
In-Reply-To: <cover.1490188942.git.dwmw2@infradead.org>
In-Reply-To: <cover.1490188942.git.dwmw2@infradead.org>

From: David Woodhouse <dwmw@amazon.co.uk>

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
 arch/mips/include/asm/pci.h |  2 +-
 arch/mips/pci/pci.c         | 25 -------------------------
 2 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 3141e2a..1000c1b 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -110,7 +110,7 @@ extern unsigned long PCIBIOS_MIN_MEM;
 extern void pcibios_set_master(struct pci_dev *dev);
 
 #define HAVE_PCI_MMAP
-
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
 
 /*
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index f189502..bd67ac7 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -57,28 +57,3 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar,
 	*start = fixup_bigphys_addr(rsrc->start, size);
 	*end = rsrc->start + size;
 }
-
-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 prot;
-
-	/*
-	 * I/O space can be accessed via normal processor loads and stores on
-	 * this platform but for now we elect not to do this and portable
-	 * drivers should not do this anyway.
-	 */
-	if (mmap_state == pci_mmap_io)
-		return -EINVAL;
-
-	/*
-	 * Ignore write-combine; for now only return uncached mappings.
-	 */
-	prot = pgprot_val(vma->vm_page_prot);
-	prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED;
-	vma->vm_page_prot = __pgprot(prot);
-
-	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
-		vma->vm_end - vma->vm_start, vma->vm_page_prot);
-}
-- 
2.9.3

  parent reply	other threads:[~2017-03-22 13:25 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-22 13:25 [PATCH 00/17] PCI resource mmap cleanup David Woodhouse
2017-03-22 13:25 ` David Woodhouse
2017-03-22 13:25 ` [PATCH 01/17] pci: Fix pci_mmap_fits() for HAVE_PCI_RESOURCE_TO_USER platforms David Woodhouse
2017-03-22 13:25 ` [PATCH 02/17] pci: Fix another sanity check bug in /proc/pci mmap David Woodhouse
2017-03-22 13:25 ` [PATCH 03/17] pci: Only allow WC mmap on prefetchable resources David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-24 16:05   ` Arnd Bergmann
2017-03-24 17:04     ` David Woodhouse
2017-03-22 13:25 ` [PATCH 04/17] pci: Add arch_can_pci_mmap_wc() macro David Woodhouse
2017-04-04 21:36   ` Bjorn Helgaas
2017-04-05  7:22     ` David Woodhouse
2017-04-05  7:22       ` David Woodhouse
2017-03-22 13:25 ` [PATCH 05/17] pci: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h> David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 06/17] pci: Add HAVE_PCI_MMAP_IO to architectures which can mmap() I/O space David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 07/17] pci: Use BAR index in sysfs attr->private instead of resource pointer David Woodhouse
2017-03-22 13:25 ` [PATCH 08/17] pci: Add BAR index argument to pci_mmap_page_range() David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 09/17] pci: Add pci_mmap_resource_range() and use it for ARM64 David Woodhouse
2017-03-22 13:25 ` [PATCH 10/17] arm: Use generic pci_mmap_resource_range() David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 11/17] cris: " David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:33   ` Jesper Nilsson
2017-03-22 13:33     ` Jesper Nilsson
2017-03-22 13:25 ` David Woodhouse [this message]
2017-03-22 13:25 ` [PATCH 13/17] mn10300: " David Woodhouse
2017-03-22 13:25 ` [PATCH 14/17] parisc: " David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 15/17] sh: " David Woodhouse
2017-03-22 13:25 ` [PATCH 16/17] unicore: " David Woodhouse
2017-03-22 13:25   ` David Woodhouse
2017-03-22 13:25 ` [PATCH 17/17] arm64: Do not expose PCI mmap through procfs David Woodhouse
2017-03-22 13:54   ` Sinan Kaya
2017-03-22 14:04     ` David Woodhouse
2017-03-22 14:15       ` Sinan Kaya
2017-03-22 14:15         ` Sinan Kaya
2017-03-22 14:18         ` Will Deacon
2017-03-22 14:18           ` Will Deacon
2017-03-22 15:40           ` Sinan Kaya
2017-03-24 16:13   ` Arnd Bergmann
2017-03-24 16:13     ` Arnd Bergmann
2017-03-24 16:16     ` Arnd Bergmann
2017-03-24 16:23       ` David Woodhouse
2017-03-24 16:23         ` David Woodhouse
2017-03-24 16:20     ` David Woodhouse
2017-03-24 16:20       ` David Woodhouse
2017-03-23 14:29 ` [PATCH 18/17] x86: Use generic pci_mmap_resource_range() David Woodhouse
2017-03-23 14:29   ` David Woodhouse
2017-03-24 11:40 ` [PATCH 00/17] PCI resource mmap cleanup David Woodhouse
2017-03-24 16:57   ` Luck, Tony
2017-03-24 16:57     ` Luck, Tony
2017-03-24 16:20 ` Arnd Bergmann
2017-04-04 22:43 ` Bjorn Helgaas
2017-04-04 22:43   ` Bjorn Helgaas

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