Re: [PATCH] wifi: rtw89: pci: early chips only enable 36-bit DMA on specific PCI hosts

[Kalle Valo <kvalo@kernel.org>]

Ping-Ke Shih <pkshih@realtek.com> writes:

> Ping-Ke Shih <pkshih@realtek.com> wrote:
>> 
>> The early chips including RTL8852A, RTL8851B, RTL8852B and RTL8852BT have
>> interoperability problems of 36-bit DMA with some PCI hosts. Rollback
>> to 32-bit DMA by default, and only enable 36-bit DMA for tested platforms.
>> 
>> Since all Intel platforms we have can work correctly, add the vendor ID to
>> white list. Otherwise, list vendor/device ID of bridge we have tested.
>> 
>> Fixes: 1fd4b3fe52ef ("wifi: rtw89: pci: support 36-bit PCI DMA address")
>> Reported-by: Marcel Weißenbach <mweissenbach@ignaz.org>
>> Closes:
>> https://lore.kernel.org/linux-wireless/20240918073237.Horde.VLueh0_KaiDw-9asEEcdM84@ignaz.org/T/#m07c5
>> 694df1acb173a42e1a0bab7ac22bd231a2b8
>> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
>
> Could you please queue this patch to wireless tree? Because RTL8852BE becomes
> unusable for some users. I assigned this patch to you in patchwork, if you
> don't think so and have other suggestions, please let me know. Thanks. 
>
> The user has reported this patch works as expected [1], so add his tested-by:
> Tested-by: Marcel Weißenbach <mweissenbach@ignaz.org>
>
> Also, I think this should Cc stable, so
> Cc: stable@vger.kernel.org

Ok, I'll add all that.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches