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 v2] bus: mhi: host: fix endianness of BHI vector table
Date: Fri, 16 May 2025 09:13:46 -0600 [thread overview]
Message-ID: <fa6e5f45-a6d9-4f31-ab5a-7c47200a913c@oss.qualcomm.com> (raw)
In-Reply-To: <20250515095517.1867846-1-alexander.wilhelm@westermo.com>
On 5/15/2025 3:55 AM, Alexander Wilhelm wrote:
> On big endian platforms like PowerPC the DMA address and size are required
> to be swapped. Otherwise 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
>
Fixes?
> Signed-off-by: Alexander Wilhelm <alexander.wilhelm@westermo.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
next prev parent reply other threads:[~2025-05-16 15:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-15 9:55 Alexander Wilhelm
2025-05-16 15:13 ` Jeff Hugo [this message]
2025-05-19 6:09 ` Alexander Wilhelm
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