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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-05 12:19:50 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-09-08 12:28:39 +0100 |
| commit | 0485e18bc4112a3b548baa314c24bfbece4d156b (patch) | |
| tree | 0b95078c742952272c4c23259e1d6daafcd65172 /arch | |
| parent | 65b4711ff513767341aa1915c822de6ec0de65cb (diff) | |
| download | linux-0485e18bc4112a3b548baa314c24bfbece4d156b.tar.gz linux-0485e18bc4112a3b548baa314c24bfbece4d156b.tar.bz2 linux-0485e18bc4112a3b548baa314c24bfbece4d156b.zip | |
Revert "[ARM] pxa: remove now unnecessary dma_needs_bounce()"
This reverts commit 4fa5518, which causes a compilation regression for
IXP4xx platforms.
Reported-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/common/it8152.c | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 6c0913562455..7974baacafce 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -263,6 +263,14 @@ 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 __init it8152_pci_setup(int nr, struct pci_sys_data *sys) { it8152_io.start = IT8152_IO_BASE + 0x12000; diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index c226fe10553e..c568da7dcae4 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -288,15 +288,7 @@ extern void dmabounce_unregister_dev(struct device *); * DMA access and 1 if the buffer needs to be bounced. * */ -#ifdef CONFIG_SA1111 extern int dma_needs_bounce(struct device*, dma_addr_t, size_t); -#else -static inline int dma_needs_bounce(struct device *dev, dma_addr_t addr, - size_t size) -{ - return 0; -} -#endif /* * The DMA API, implemented by dmabounce.c. See below for descriptions. |