On Fri, 15 May 2009 13:16:30 +0200
Arnd Bergmann <arnd@xxxxxxxx> wrote:
On Friday 15 May 2009, Tejun Heo wrote:
FUJITA Tomonori wrote:
Can libata call dma_supported() per device to decide DMA or PIO mode?
Then, we can solve this problem by add dummy DMA API (just calls BUG)
on such architectures, without Kconfig magic or adding ifdef (like the
old ide stack does), I think.
That would be the !CONFIG_PCI half of the old
include/asm-generic/dma-mapping.h file that you just removed,
right?
No.
The old include/asm-generic/dma-mapping.h is a workaround for lazy
architecture maintainers who have not converted pci_* API to dma_*
API.
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