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SubjectRe: [PATCH V4 1/3] x86: introduce CONFIG_X86_DEV_DMA_OPS

* Alessandro Rubini <rubini@gnudd.com> wrote:

> 32-bit x86 systems may need their own DMA operations, so add a
> new config option, which is turned on for 64-bit systems. This
> patch has no functional effect but it paves the way for
> supporting the STA2x11 I/O Hub and possibly other chips.
>
> Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
> Cc: Alan Cox <alan@linux.intel.com>
> ---
> arch/x86/Kconfig | 5 +++++
> arch/x86/include/asm/device.h | 4 ++--
> arch/x86/include/asm/dma-mapping.h | 2 +-
> 3 files changed, 8 insertions(+), 3 deletions(-)

Ok, the whole series looks pretty clean, modulo a few mostly
cosmetic details in the driver itself.

Andrew, you are typically merging dma-mapping.h patches, would
you like to do these, or can we do it in tip:x86/platform?

It would also be nice if the gents on Cc: would voice objections
or approval, if any.

Thanks,

Ingo


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