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authorMichael S. Tsirkin <mst@redhat.com>2011-11-29 21:20:06 +0200
committerMichael S. Tsirkin <mst@redhat.com>2011-12-04 16:00:12 +0200
commit5322418502be4696ebdef2ed164bbd0a348d4816 (patch)
treef5a2e2ea9b1988c2ed811e46573f9bb0d8630b7c /arch
parent845501213033d0058945776349f15502823359d8 (diff)
downloadop-kernel-dev-5322418502be4696ebdef2ed164bbd0a348d4816.zip
op-kernel-dev-5322418502be4696ebdef2ed164bbd0a348d4816.tar.gz
frv: switch to GENERIC_PCI_IOMAP
frv uses a version of pci_iomap that simply casts and returns back the start address. Looking closely, both ioremap and ioport_map seem to do this on this platform, so the generic pci_iomap will DTRT automatically. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/frv/Kconfig1
-rw-r--r--arch/frv/include/asm/io.h2
-rw-r--r--arch/frv/mb93090-mb00/Makefile2
-rw-r--r--arch/frv/mb93090-mb00/pci-iomap.c29
4 files changed, 3 insertions, 31 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index bad27a6..dfde78b 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -317,6 +317,7 @@ config PCI
bool "Use PCI"
depends on MB93090_MB00
default y
+ select GENERIC_PCI_IOMAP
help
Some FR-V systems (such as the MB93090-MB00 VDK) have PCI
onboard. If you have one of these boards and you wish to use the PCI
diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h
index ca7475e..8cb50a2 100644
--- a/arch/frv/include/asm/io.h
+++ b/arch/frv/include/asm/io.h
@@ -21,6 +21,7 @@
#include <asm/virtconvert.h>
#include <asm/string.h>
#include <asm/mb-regs.h>
+#include <asm-generic/pci_iomap.h>
#include <linux/delay.h>
/*
@@ -370,7 +371,6 @@ static inline void iowrite32_rep(void __iomem *p, const void *src, unsigned long
/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
struct pci_dev;
-extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p)
{
}
diff --git a/arch/frv/mb93090-mb00/Makefile b/arch/frv/mb93090-mb00/Makefile
index b73b542..21f1df1 100644
--- a/arch/frv/mb93090-mb00/Makefile
+++ b/arch/frv/mb93090-mb00/Makefile
@@ -3,7 +3,7 @@
#
ifeq "$(CONFIG_PCI)" "y"
-obj-y := pci-frv.o pci-irq.o pci-vdk.o pci-iomap.o
+obj-y := pci-frv.o pci-irq.o pci-vdk.o
ifeq "$(CONFIG_MMU)" "y"
obj-y += pci-dma.o
diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c
deleted file mode 100644
index 35f6df2..0000000
--- a/arch/frv/mb93090-mb00/pci-iomap.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* pci-iomap.c: description
- *
- * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/pci.h>
-#include <linux/module.h>
-
-void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
-{
- resource_size_t start = pci_resource_start(dev, bar);
- resource_size_t len = pci_resource_len(dev, bar);
- unsigned long flags = pci_resource_flags(dev, bar);
-
- if (!len || !start)
- return NULL;
-
- if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM))
- return (void __iomem *) start;
-
- return NULL;
-}
-
-EXPORT_SYMBOL(pci_iomap);
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