fully convert arm to use dma-direct

Marc Zyngier maz at kernel.org
Fri May 6 05:06:14 PDT 2022


On Fri, 22 Apr 2022 22:17:20 +0100,
Linus Walleij <linus.walleij at linaro.org> wrote:
> 
> On Thu, Apr 21, 2022 at 9:42 AM Christoph Hellwig <hch at lst.de> wrote:
> 
> > arm is the last platform not using the dma-direct code for directly
> > mapped DMA.  With the dmaboune removal from Arnd we can easily switch
> > arm to always use dma-direct now (it already does for LPAE configs
> > and nommu).  I'd love to merge this series through the dma-mapping tree
> > as it gives us the opportunity for additional core dma-mapping
> > improvements.
> (...)
> 
> >  b/arch/arm/mach-footbridge/Kconfig                   |    1
> >  b/arch/arm/mach-footbridge/common.c                  |   19
> >  b/arch/arm/mach-footbridge/include/mach/dma-direct.h |    8
> >  b/arch/arm/mach-footbridge/include/mach/memory.h     |    4
> 
> I think Marc Z has a Netwinder that he can test this on. Marc?
> I have one too, just not much in my office because of parental leave.

Finally found some time to hook the machine up and throw a new kernel
at it. Booted at its usual glacial speed, so FWIW:

Tested-by: Marc Zyngier <maz at kernel.org>

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.



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