tile: switch to GENERIC_PCI_IOMAP
tile now has working stubs for ioport_map and ioremap
such that the generic pci_iomap will DTRT: cast to
pointer on memory and return NULL and log message on IO map.
Switch it over to GENERIC_PCI_IOMAP.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 70a0de4..11270ca 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -321,6 +321,7 @@
bool "PCI support"
default y
select PCI_DOMAINS
+ select GENERIC_PCI_IOMAP
---help---
Enable PCI root complex support, so PCIe endpoint devices can
be attached to the Tile chip. Many, but not all, PCI devices
diff --git a/arch/tile/include/asm/pci.h b/arch/tile/include/asm/pci.h
index 7f03cef..1d25fea 100644
--- a/arch/tile/include/asm/pci.h
+++ b/arch/tile/include/asm/pci.h
@@ -16,6 +16,7 @@
#define _ASM_TILE_PCI_H
#include <linux/pci.h>
+#include <asm-generic/pci_iomap.h>
/*
* Structure of a PCI controller (host bridge)
@@ -49,7 +50,6 @@
int __devinit tile_pci_init(void);
int __devinit pcibios_init(void);
-void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) {}
void __devinit pcibios_fixup_bus(struct pci_bus *bus);
diff --git a/arch/tile/kernel/pci.c b/arch/tile/kernel/pci.c
index 2a8014c..1b6244e 100644
--- a/arch/tile/kernel/pci.c
+++ b/arch/tile/kernel/pci.c
@@ -465,27 +465,6 @@
return 0;
}
-void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
-{
- unsigned long start = pci_resource_start(dev, bar);
- unsigned long len = pci_resource_len(dev, bar);
- unsigned long flags = pci_resource_flags(dev, bar);
-
- if (!len)
- return NULL;
- if (max && len > max)
- len = max;
-
- if (!(flags & IORESOURCE_MEM)) {
- pr_info("PCI: Trying to map invalid resource %#lx\n", flags);
- start = 0;
- }
-
- return (void __iomem *)start;
-}
-EXPORT_SYMBOL(pci_iomap);
-
-
/****************************************************************
*
* Tile PCI config space read/write routines