linux-kernel - [PATCHv2 RFC (repost) 06/16] mips: switch to GENERIC_PCI

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Date:	Wed, 21 Dec 2011 18:29:41 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCHv2 RFC (repost) 06/16] mips: switch to GENERIC_PCI_IOMAP

mips copied pci_iomap from generic code, probably to avoid
pulling the rest of iomap.c in.  Since that's in
a separate file now, we can reuse the common implementation.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 arch/mips/Kconfig         |    1 +
 arch/mips/lib/iomap-pci.c |   26 --------------------------
 2 files changed, 1 insertions(+), 26 deletions(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index d46f1da..b70c96f 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2317,6 +2317,7 @@ config PCI
 	bool "Support for PCI controller"
 	depends on HW_HAS_PCI
 	select PCI_DOMAINS
+	select GENERIC_PCI_IOMAP
 	help
 	  Find out whether you have a PCI motherboard. PCI is the name of a
 	  bus system, i.e. the way the CPU talks to the other stuff inside
diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c
index 2ab899c..2635b1a 100644
--- a/arch/mips/lib/iomap-pci.c
+++ b/arch/mips/lib/iomap-pci.c
@@ -40,32 +40,6 @@ static void __iomem *ioport_map_pci(struct pci_dev *dev,
 	return (void __iomem *) (ctrl->io_map_base + port);
 }
 
-/*
- * Create a virtual mapping cookie for a PCI BAR (memory or IO)
- */
-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 (maxlen && len > maxlen)
-		len = maxlen;
-	if (flags & IORESOURCE_IO)
-		return ioport_map_pci(dev, start, len);
-	if (flags & IORESOURCE_MEM) {
-		if (flags & IORESOURCE_CACHEABLE)
-			return ioremap(start, len);
-		return ioremap_nocache(start, len);
-	}
-	/* What? */
-	return NULL;
-}
-
-EXPORT_SYMBOL(pci_iomap);
-
 void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
 {
 	iounmap(addr);
-- 
1.7.8.382.g3daff

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