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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-742a96dfa9dsm1702805b3a.10.2025.05.16.08.13.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 May 2025 08:13:48 -0700 (PDT) Message-ID: Date: Fri, 16 May 2025 09:13:46 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] bus: mhi: host: fix endianness of BHI vector table To: Alexander Wilhelm , Manivannan Sadhasivam Cc: mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250515095517.1867846-1-alexander.wilhelm@westermo.com> Content-Language: en-US From: Jeff Hugo In-Reply-To: <20250515095517.1867846-1-alexander.wilhelm@westermo.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: OFfeO0IUNTLcxWxJnPhhWn1bmBxM5Pc0 X-Proofpoint-ORIG-GUID: OFfeO0IUNTLcxWxJnPhhWn1bmBxM5Pc0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE2MDE0OCBTYWx0ZWRfXxbqKfBPevSEn wubRsboTRckJiztwWk0ZDmpWj7ruB3bpRTQxJzMIfGmVTfC1gp5Vv+R7IP5bzxEg+qoj6eI6d2n QNrlRVLHV2FNnnrErx/FPTKjCLVr8SY++JFRDyaskoCvV0KQbKw3odcWlpq0cC+2qe7RGdA5Mys jckMh6ZJS20uAuxUxjgEEKSveYgf5Nw2m/HcYNjM+ko3yTwSQi9CYyWqEwIVAuMvoTAAs30WKTl iGloY2iR/RZ4s9Nsm90j51CqRbsIV2OmalJ9inmFYF0G/58Bhm8kalJoOeRlN0qBwLxDqRrI8iT jmZJQnGxdfeJL7b84lM0UgPeuBfTMlGnGqiiPJKbzOdyf4Nnr/q5la18rov/LdWKK9xqgTP4qL/ nLvFUzDA+rjC/0pVLIhK+kg++sWEnL2f4dKFdLHllQIjKePRanwg1S2mhAN53gxFvVJjqZwN X-Authority-Analysis: v=2.4 cv=LOFmQIW9 c=1 sm=1 tr=0 ts=68275644 cx=c_pps a=vy3nvQW9C2dqy/lMnN3IYg==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=N9GNhs4bAAAA:8 a=EUspDBNiAAAA:8 a=mnqbBUabxhxt7vZsbGwA:9 a=QEXdDO2ut3YA:10 a=mHQ74H5e8mo-RpSg_uaF:22 a=PZhj9NlD-CKO8hVp7yCs:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-16_05,2025-05-16_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 adultscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 impostorscore=0 bulkscore=0 clxscore=1015 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505160148 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 Reviewed-by: Jeff Hugo