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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/common/it8152.c
parentc289b2e0ccff1142908e20398930dc2e14697e74 (diff)
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/common/it8152.c')
-rw-r--r--arch/arm/common/it8152.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 7a21927c52e..80b49e1e099 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -243,6 +243,13 @@ static struct resource it8152_mem = {
* ITE8152 chip can address up to 64MByte, so all the devices
* connected to ITE8152 (PCI and USB) should have limited DMA window
*/
+static int it8152_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
+{
+ dev_dbg(dev, "%s: dma_addr %08x, size %08x\n",
+ __func__, dma_addr, size);
+ return dev->bus == &pci_bus_type &&
+ (dma_addr + size - PHYS_OFFSET) >= SZ_64M;
+}
/*
* Setup DMA mask to 64MB on devices connected to ITE8152. Ignore all
@@ -254,7 +261,7 @@ static int it8152_pci_platform_notify(struct device *dev)
if (dev->dma_mask)
*dev->dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
dev->coherent_dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
- dmabounce_register_dev(dev, 2048, 4096);
+ dmabounce_register_dev(dev, 2048, 4096, it8152_needs_bounce);
}
return 0;
}
@@ -267,14 +274,6 @@ static int it8152_pci_platform_notify_remove(struct device *dev)
return 0;
}
-int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
-{
- dev_dbg(dev, "%s: dma_addr %08x, size %08x\n",
- __func__, dma_addr, size);
- return (dev->bus == &pci_bus_type) &&
- ((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
-}
-
int dma_set_coherent_mask(struct device *dev, u64 mask)
{
if (mask >= PHYS_OFFSET + SZ_64M - 1)