linux-kernel - [PATCH 15/17] sh: Use generic pci_mmap_resource

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <becdfc8e2154d3d21665fcae4a642c9a629fe688.1490188942.git.dwmw2@infradead.org>
Date:   Wed, 22 Mar 2017 13:25:29 +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 15/17] sh: Use generic pci_mmap_resource_range()

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

Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
---
 arch/sh/drivers/pci/pci.c | 22 ----------------------
 arch/sh/include/asm/pci.h |  1 +
 2 files changed, 1 insertion(+), 22 deletions(-)

diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index c8b36b7..c99ee28 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -269,28 +269,6 @@ void __ref pcibios_report_status(unsigned int status_mask, int warn)
 	}
 }
 
-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)
-{
-	/*
-	 * 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.
-	 */
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
-			       vma->vm_end - vma->vm_start,
-			       vma->vm_page_prot);
-}
-
 #ifndef CONFIG_GENERIC_IOMAP
 
 void __iomem *__pci_ioport_map(struct pci_dev *dev,
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index 46abbc9..17fa69b 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -66,6 +66,7 @@ extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM;
 struct pci_dev;
 
 #define HAVE_PCI_MMAP
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
 
 extern void pcibios_set_master(struct pci_dev *dev);
 
-- 
2.9.3