Re: [PATCH] soundwire: stream: Revert "soundwire: stream: fix programming slave ports for non-continous port maps"

From: Pierre-Louis Bossart
Date: Mon Sep 09 2024 - 11:45:34 EST




On 9/9/24 16:36, Charles Keepax wrote:
> On Wed, Sep 04, 2024 at 04:52:28PM +0200, Krzysztof Kozlowski wrote:
>> This reverts commit ab8d66d132bc8f1992d3eb6cab8d32dda6733c84 because it
>> breaks codecs using non-continuous masks in source and sink ports. The
>> commit missed the point that port numbers are not used as indices for
>> iterating over prop.sink_ports or prop.source_ports.
>>
>> Soundwire core and existing codecs expect that the array passed as
>> prop.sink_ports and prop.source_ports is continuous. The port mask still
>> might be non-continuous, but that's unrelated.
>>
>> Reported-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
>> Closes: https://lore.kernel.org/all/b6c75eee-761d-44c8-8413-2a5b34ee2f98@xxxxxxxxxxxxxxx/
>> Fixes: ab8d66d132bc ("soundwire: stream: fix programming slave ports for non-continous port maps")
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>>
>> ---
>
> Would be good to merge this as soon as we can, this is causing
> soundwire regressions from rc6 onwards.

the revert also needs to happen in -stable. 6.10.8 is broken as well.

https://github.com/thesofproject/linux/issues/5168