Commit 0485e18b authored by Russell King's avatar Russell King

Revert "[ARM] pxa: remove now unnecessary dma_needs_bounce()"

This reverts commit 4fa5518c, which causes a compilation regression for
IXP4xx platforms.
Reported-by: default avatarRichard Cochran <richardcochran@gmail.com>
Acked-by: default avatarEric Miao <eric.y.miao@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 65b4711f
......@@ -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;
......
......@@ -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.
......
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