[Linux-kernel] [PATCH] riscv: dts: fu740: fix size of pcie 32bit memory

[Ben Dooks]

On 06/01/2023 14:51, Ben Dooks wrote:
> On 06/01/2023 14:07, Krzysztof Kozlowski wrote:
>> On 06/01/2023 14:44, Ben Dooks wrote:
>>> The 32-bit memory resource is needed for non-prefetchable memory
>>> allocations on the PCIe bus, however with some cards (such as the
>>> SM768) the system fails to allocate memory from this.
>>>
>>> Checking the allocation against the datasheet, it looks like there
>>> has been a mis-calcualation of the resource for the first memory
>>> region (0x0060090000..0x0070ffffff) which in the data-sheet for
>>> the fu740 (v1p2) is from 0x0060000000..0x007fffffff. Changing
>>> this to allocate from 0x0060090000..0x007fffffff fixes the probing
>>> issues.
>>>
>>> Fixes: ae80d514808557018e44190 ("riscv: dts: Add PCIe support for the 
>>> SiFive FU740-C000 SoC
>>> ")
>>
>> Don't wrap lines.
>>
>>>
>>
>> Drop empty line between tags.
> 
> 
> Thanks, will fix.
> 
> Does anyone have a chance to review and/or test this, it works for me
> but I've not got a large number of devices to test with.

I forgot add that if a couple of other people can check this over then
I'll cc stable next time

-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

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