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>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0a631d0..ec2beab 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -90,6 +90,9 @@
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 d3bc781..6f492ac 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -69,11 +69,11 @@
{
#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 @@
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 @@
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 dc1ad46..3b59b3a 100644
--- a/include/asm-sh/floppy.h
+++ b/include/asm-sh/floppy.h
@@ -181,7 +181,7 @@
{
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 @@
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 aa80930..e6a1877 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -241,10 +241,6 @@
#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