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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-04 08:32:21 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-04 08:39:55 +0100 |
| commit | 0703ed2a6b260cd743adf49a8281eb064d728832 (patch) | |
| tree | 95740f9e1beb8901f163c7168b3e2666eb2158c9 /arch/arm/common/it8152.c | |
| parent | c289b2e0ccff1142908e20398930dc2e14697e74 (diff) | |
| download | blackbird-op-linux-0703ed2a6b260cd743adf49a8281eb064d728832.tar.gz blackbird-op-linux-0703ed2a6b260cd743adf49a8281eb064d728832.zip | |
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.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 7a21927c52e1..80b49e1e0992 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) |
