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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 v2 13/27] mips: Use generic pci_mmap_resource_range()
Date: Wed, 12 Apr 2017 13:26:02 +0100	[thread overview]
Message-ID: <9afaaa92928c01c73c2c008cd0d9539cb592010f.1491999859.git.dwmw2@infradead.org> (raw)
In-Reply-To: <cover.1491999859.git.dwmw2@infradead.org>
In-Reply-To: <cover.1491999859.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:[~2017-04-12 12:26 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-12 12:25 [PATCH v2 00/27] PCI resource mmap cleanup David Woodhouse
2017-04-12 12:25 ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 01/27] pci: Fix pci_mmap_fits() for HAVE_PCI_RESOURCE_TO_USER platforms David Woodhouse
2017-04-12 12:25 ` [PATCH v2 02/27] pci: Fix another sanity check bug in /proc/pci mmap David Woodhouse
2017-04-12 12:25 ` [PATCH v2 03/27] pci: Only allow WC mmap on prefetchable resources David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 04/27] xtensa: Do not mmap PCI BARs to userspace as write-through David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 05/27] pci: Add arch_can_pci_mmap_wc() macro David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 06/27] pci: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h> David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 07/27] pci: Add arch_can_pci_mmap_io() on architectures which can mmap() I/O space David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 08/27] pci: Use BAR index in sysfs attr->private instead of resource pointer David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 09/27] pci: Add BAR index argument to pci_mmap_page_range() David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:25 ` [PATCH v2 10/27] pci: Add pci_mmap_resource_range() and use it for ARM64 David Woodhouse
2017-04-12 12:25   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 11/27] arm: Use generic pci_mmap_resource_range() David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 12/27] cris: " David Woodhouse
2017-04-13  7:37   ` Jesper Nilsson
2017-04-13  7:37     ` Jesper Nilsson
2017-04-13  8:39     ` David Woodhouse
2017-04-13  8:39       ` David Woodhouse
2017-04-12 12:26 ` David Woodhouse [this message]
2017-04-12 12:26   ` [PATCH v2 13/27] mips: " David Woodhouse
2017-04-12 12:26 ` [PATCH v2 14/27] mn10300: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 15/27] parisc: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 16/27] sh: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 17/27] unicore: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 18/27] x86: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 19/27] pci: Add I/O BAR support to " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 20/27] powerpc: Use " David Woodhouse
2017-04-12 12:26 ` [PATCH v2 21/27] microblaze: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 22/27] xtensa: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 23/27] ia64: Remove redundant valid_mmap_phys_addr_range() from pci_mmap_page_range() David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 24/27] ia64: Remove redundant checks for WC in pci_mmap_page_range() David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 25/27] ia64: Use generic pci_mmap_resource_range() David Woodhouse
2017-04-12 21:47   ` Tony Luck
2017-04-12 21:47     ` Tony Luck
2017-04-12 21:53     ` Thomas Gleixner
2017-04-13  8:39     ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 26/27] sparc: " David Woodhouse
2017-04-12 12:26   ` David Woodhouse
2017-04-12 12:26 ` [PATCH v2 27/27] pci: Kill ARCH_GENERIC_PCI_MMAP_RESOURCE David Woodhouse
2017-04-13  9:22 ` [PATCH v2 14/27] mn10300: Use generic pci_mmap_resource_range() David Howells
2017-04-13  9:22 ` [PATCH v2 10/27] pci: Add pci_mmap_resource_range() and use it for ARM64 David Howells
2017-04-18 18:28 ` [PATCH v2 00/27] PCI resource mmap cleanup Bjorn Helgaas
2017-04-18 18:28   ` Bjorn Helgaas
2017-04-18 18:51   ` Bjorn Helgaas
2017-04-19  7:23   ` David Woodhouse
2017-04-19 18:37     ` Bjorn Helgaas

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