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From: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
To: Alexander Wilhelm <alexander.wilhelm@westermo.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] bus: mhi: host: fix endianness of BHI vector table
Date: Mon, 19 May 2025 08:13:00 -0600	[thread overview]
Message-ID: <cf4adaba-5601-40b9-bd17-1b1bfa686b0f@oss.qualcomm.com> (raw)
In-Reply-To: <20250519061014.12225-1-alexander.wilhelm@westermo.com>

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@westermo.com>
> Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>

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

-Jeff

  reply	other threads:[~2025-05-19 14:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-19  6:10 [PATCH v3] bus: mhi: host: fix endianness of BHI vector table Alexander Wilhelm
2025-05-19 14:13 ` Jeff Hugo [this message]
2025-05-19 14:48   ` Alexander Wilhelm

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