[kernel] powerpc/pci: Fix broken INTx configuration via OF

[Alexey Kardashevskiy]

On 09/02/18 15:00, Michael Ellerman wrote:
> On Thu, 2018-02-08 at 05:33:54 UTC, Alexey Kardashevskiy wrote:
>> Commit 59f47eff03a0 ("powerpc/pci: Use of_irq_parse_and_map_pci() helper")
>> correctly states that of_irq_parse_and_map_pci() does the same thing as
>> of_irq_parse_pci() does as it simply calls
>> of_irq_parse_pci() and irq_create_of_mapping().
>>
>> However of_irq_parse_and_map_pci() not only returns 0 for success and
>> negative value for an error but also a positive virq value from
>> irq_create_of_mapping() which the mentioned commit ignores and
>> INTx config fails.
>>
>> This fixes the of_irq_parse_and_map_pci() return value handling.
>>
>> Fixes: 59f47eff03a0 "powerpc/pci: Use of_irq_parse_and_map_pci() helper"
>> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> 
> Applied to powerpc fixes, thanks.
> 
> https://git.kernel.org/powerpc/c/560c0f978155282e36f33d21b2aeae


there is a v2, this one is not 100% correct


-- 
Alexey