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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-07-04 08:32:21 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-04 08:39:55 +0100
commit0703ed2a6b260cd743adf49a8281eb064d728832 (patch)
tree95740f9e1beb8901f163c7168b3e2666eb2158c9 /arch/arm/mach-ixp4xx/common-pci.c
parentc289b2e0ccff1142908e20398930dc2e14697e74 (diff)
downloadop-kernel-dev-0703ed2a6b260cd743adf49a8281eb064d728832.zip
op-kernel-dev-0703ed2a6b260cd743adf49a8281eb064d728832.tar.gz
ARM: dmabounce: get rid of dma_needs_bounce global function
Pass the device type specific needs_bounce function in at dmabounce register time, avoiding the need for a platform specific global function to do this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp4xx/common-pci.c')
-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index e9a5893..d7db10c 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -316,6 +316,11 @@ static int abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *r
}
+static int ixp4xx_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
+{
+ return dev->bus == &pci_bus_type && (dma_addr + size) >= SZ_64M;
+}
+
/*
* Setup DMA mask to 64MB on PCI devices. Ignore all other devices.
*/
@@ -324,7 +329,7 @@ static int ixp4xx_pci_platform_notify(struct device *dev)
if(dev->bus == &pci_bus_type) {
*dev->dma_mask = SZ_64M - 1;
dev->coherent_dma_mask = SZ_64M - 1;
- dmabounce_register_dev(dev, 2048, 4096);
+ dmabounce_register_dev(dev, 2048, 4096, ixp4xx_needs_bounce);
}
return 0;
}
@@ -337,11 +342,6 @@ static int ixp4xx_pci_platform_notify_remove(struct device *dev)
return 0;
}
-int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
-{
- return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M);
-}
-
void __init ixp4xx_pci_preinit(void)
{
unsigned long cpuid = read_cpuid_id();
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