Re: [PATCH v3] bus: mhi: host: fix endianness of BHI vector table

[Jeff Hugo]

On 5/19/2025 12:10 AM, Alexander Wilhelm wrote:
> On big endian platform like PowerPC the MHI bus does not start properly. The
> following example shows the error messages by using qcn9274 wireless radio
> module with ath12k driver:
>
>      ath12k_pci 0001:01:00.0: BAR 0: assigned [mem 0xc00000000-0xc001fffff 64bit]
>      ath12k_pci 0001:01:00.0: MSI vectors: 1
>      ath12k_pci 0001:01:00.0: Hardware name: qcn9274 hw2.0
>      ath12k_pci 0001:01:00.0: failed to set mhi state: POWER_ON(2)
>      ath12k_pci 0001:01:00.0: failed to start mhi: -110
>      ath12k_pci 0001:01:00.0: failed to power up :-110
>      ath12k_pci 0001:01:00.0: failed to create soc core: -110
>      ath12k_pci 0001:01:00.0: failed to init core: -110
>      ath12k_pci: probe of 0001:01:00.0 failed with error -110
>
> Fix it by swapping DMA address and size of the BHI vector table.
>
> Signed-off-by: Alexander Wilhelm <alexander.wilhelm@xxxxxxxxxxxx>
> Reviewed-by: Jeff Hugo <jeff.hugo@xxxxxxxxxxxxxxxx>

Shouldn't there be a fixes tag?  Probably pointing to one of the 
original MHI commits given what this change is touching.

-Jeff