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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-arm-msm@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-Proofpoint-GUID: UGCJCBGeGpgofJFLYd8T5SUKvyQ5GHxL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA4MDEyMSBTYWx0ZWRfX3CnWmAYC3Wjl /OnEgf8Fj/gGP/nkYxL4tR0qp5/MnS/PBHN1EqtgXyFI0TJOzcY32K7JrabhXyf21KOxslQxKs4 z6jLLb0LwaIWNy53CYgKHM0/xG3BHfPNJ3vl/ufdLun1gd9YOlDpckLLalRTU/0k9JdsvBgqaLe kwDvM6RKQQFVKGwMPfU7+8Kq+miza8q4T9hbQ1CdJIWa5hzGRVPgJphDEKvyyaQtMGvU/oMSB3W IezuffDJwkg2TypP2iLGArSBWimrQuLLGP/h6OSt/CWv460NIkxsWRGjKGu2MODnmMXIyCCbEB2 PQGym6wrW7zP9Q7XzlfBLU6U3Btn3GV+eKC03W1QSlxr6+B/x26OVn4PxJKZ536c8ZDnnxuMQUw t7PEWb7bXVO0O3pTOHGxFGLi6s8heQ== X-Authority-Analysis: v=2.4 cv=SfL6t/Ru c=1 sm=1 tr=0 ts=68e9638e cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=pGLkceISAAAA:8 a=XDqENUOH4wWVrXOETPwA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: UGCJCBGeGpgofJFLYd8T5SUKvyQ5GHxL 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 adultscore=0 clxscore=1015 malwarescore=0 bulkscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 spamscore=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