Messages in this thread | | | Date | Wed, 28 May 2014 15:32:56 +0200 | Subject | Re: [PATCH v3 4/7] of: configure the platform device dma parameters | From | Linus Walleij <> |
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On Wed, May 28, 2014 at 3:29 PM, Arnd Bergmann <arnd@arndb.de> wrote: > On Wednesday 28 May 2014 10:23:09 Linus Walleij wrote:
>> model = "ARM Integrator/AP"; >> compatible = "arm,integrator-ap"; >> + dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>; >> >> aliases { >> arm,timer-primary = &timer2; >> > > It looks like you accidentally copied the ranges from keystone, even > though that has a 64-bit root bus and you only have 32-bit.
Nah it was no accident, just good old incompetence ;-)
> I suspect what you want is > > dma-ranges = <0x80000000 0 0x80000000>; > > to translate dma_addr_t 0x80000000-0xffffffff to phys_addr_t 0x0-0x7fffffff > rather than phys_addr_t 0x800000000-0x87fffffff.
Thanks, I'll fix up my patch.
Yours, Linus Walleij
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