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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b55d900e432sm291551066b.65.2025.10.10.12.50.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Oct 2025 12:50:36 -0700 (PDT) Message-ID: <29ec0082-4dd4-4120-acd2-44b35b4b9487@oss.qualcomm.com> Date: Fri, 10 Oct 2025 21:50:34 +0200 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] i2c: i2c-boardinfo: Annotate code used in init phase only To: Heiner Kallweit , Wolfram Sang Cc: "linux-i2c@vger.kernel.org" , Bjorn Andersson , linux-arm-msm References: <8d09aa09-b656-4b69-b01f-3ea40418b7ff@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <8d09aa09-b656-4b69-b01f-3ea40418b7ff@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Vrcuwu2n c=1 sm=1 tr=0 ts=68e9638e cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=pGLkceISAAAA:8 a=XDqENUOH4wWVrXOETPwA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: BpaLY-oZ2WMF00T8v2uUXvvb2tZDvnAT X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA4MDEyMSBTYWx0ZWRfX2FXnK6POL1Zj Hti/xHg8LA7DfRt5xXve78k9y/mJMNPjaIA3OeHC4B5hMuAWOJ7jDNxrYkoBj40+lwCLLjDa0pG p8Dtc38qfUhyxOyDhGMLlaDUCr0d2zkp2KThbuioTbopgvVb6WIxB6l1MWacgjk9rT5vPdFIuLp xgWIaMJxesI3tzh/N24+03iBqdg5hlyLUmAhO+D65wLYhCpf8S+ZGsKnD7MVOi7Tlq09BBGKDnI eFXHHp4mKyhzm8XqEyudTS22PLBP8a+97iiEbPO98V5Qa8oHq5zwD4qH/AQ5c8QDLQ7qwPFzbwl 1xDF5L6ivTajlr+64aK05hTeOtt9Am3HzXVRlhSIE3Y89B9DiRb5yBU9lrR8jaCiYSGtHejjUPG n5ofp4rf0LwFF/DNbcZhSxmvtTcrFA== X-Proofpoint-ORIG-GUID: BpaLY-oZ2WMF00T8v2uUXvvb2tZDvnAT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-10_05,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 impostorscore=0 clxscore=1015 adultscore=0 bulkscore=0 spamscore=0 suspectscore=0 malwarescore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510080121 On 9/14/25 10:24 PM, Heiner Kallweit wrote: > Annotate two places in boardinfo code: > - __i2c_first_dynamic_bus_num is set in init phase. Annotate it as > __ro_after_init to prevent later changes. > - i2c_register_board_info() is used in init phase only, so annotate it > as __init, allowing to free the memory after init phase. > This is safe, see comment: "done in board-specific init code near > arch_initcall() time" > > Signed-off-by: Heiner Kallweit > --- Hi, this seems to break booting on Qualcomm X1E80100 Surface Laptop 7 (arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi) gcc-14.2 and clang-20.x Funnily enough when I build this (albeit on another computer, but also with clang-20.x) and boot another X1E80100-based device (x1-crd.dtsi in the same DT dir), it boots up fine Konrad