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authorPaul Mundt <lethal@linux-sh.org>2007-07-25 11:18:00 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-07-26 15:37:40 +0900
commite257ad062a3ceaf36b0e883d0ef00b185daf500e (patch)
treebc31371ccb8f387556cb62175d7d1c3069f1e00c
parent0fbde9509d7b2f71b9326f9c5807a0b4193c7c76 (diff)
downloadlinux-e257ad062a3ceaf36b0e883d0ef00b185daf500e.tar.bz2
sh: Kill off virt_to_bus()/bus_to_virt().
Wire up ARCH_NO_VIRT_TO_BUS, and kill off the remaining users. The dma-mapping code really wanted virt_to_phys()/phys_to_virt() anyways, there are no inherently special bus addresses. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--arch/sh/Kconfig3
-rw-r--r--include/asm-sh/dma-mapping.h8
-rw-r--r--include/asm-sh/floppy.h4
-rw-r--r--include/asm-sh/io.h4
4 files changed, 9 insertions, 10 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0a631d0f75f1..ec2beabb193c 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -90,6 +90,9 @@ config ARCH_HAS_ILOG2_U64
bool
default n
+config ARCH_NO_VIRT_TO_BUS
+ def_bool y
+
source "init/Kconfig"
menu "System type"
diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index d3bc7818bbbe..6f492ac3fa13 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -69,11 +69,11 @@ static inline dma_addr_t dma_map_single(struct device *dev,
{
#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
if (dev->bus == &pci_bus_type)
- return virt_to_bus(ptr);
+ return virt_to_phys(ptr);
#endif
dma_cache_sync(dev, ptr, size, dir);
- return virt_to_bus(ptr);
+ return virt_to_phys(ptr);
}
#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
@@ -116,7 +116,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
if (dev->bus == &pci_bus_type)
return;
#endif
- dma_cache_sync(dev, bus_to_virt(dma_handle), size, dir);
+ dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
}
static inline void dma_sync_single_range(struct device *dev,
@@ -128,7 +128,7 @@ static inline void dma_sync_single_range(struct device *dev,
if (dev->bus == &pci_bus_type)
return;
#endif
- dma_cache_sync(dev, bus_to_virt(dma_handle) + offset, size, dir);
+ dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
}
static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
diff --git a/include/asm-sh/floppy.h b/include/asm-sh/floppy.h
index dc1ad464fa32..3b59b3af777b 100644
--- a/include/asm-sh/floppy.h
+++ b/include/asm-sh/floppy.h
@@ -181,7 +181,7 @@ static void _fd_chose_dma_mode(char *addr, unsigned long size)
{
if(can_use_virtual_dma == 2) {
if((unsigned int) addr >= (unsigned int) high_memory ||
- virt_to_bus(addr) >= 0x10000000)
+ virt_to_phys(addr) >= 0x10000000)
use_virtual_dma = 1;
else
use_virtual_dma = 0;
@@ -219,7 +219,7 @@ static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
doing_pdma = 0;
clear_dma_ff(FLOPPY_DMA);
set_dma_mode(FLOPPY_DMA,mode);
- set_dma_addr(FLOPPY_DMA,virt_to_bus(addr));
+ set_dma_addr(FLOPPY_DMA,virt_to_phys(addr));
set_dma_count(FLOPPY_DMA,size);
enable_dma(FLOPPY_DMA);
return 0;
diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
index aa80930ce8e4..e6a1877dcb20 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -241,10 +241,6 @@ static inline void *phys_to_virt(unsigned long address)
#define virt_to_phys(address) ((unsigned long)(address))
#endif
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-#define page_to_bus page_to_phys
-
/*
* readX/writeX() are used to access memory mapped devices. On some
* architectures the memory mapped IO stuff needs to be accessed