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Mon, 02 Nov 2026 00:49:25 -0800 (PST) Received: from [192.168.226.248] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4cabec09fcsm355582466b.71.2026.11.02.00.49.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2026 00:49:24 -0800 (PST) Message-ID: Date: Mon, 2 Nov 2026 09:49:23 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] usb: typec: ucsi: Fix printing of a fwnode with %pOFn To: Asdlerto Korry , Heikki Krogerus , Greg Kroah-Hartman Cc: Pengyu Luo , Dmitry Baryshkov , Neil Armstrong , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261102003508.341309-1-korryasdlerto@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261102003508.341309-1-korryasdlerto@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 0OvPOuZlVexqej7PobmG7bMC-FccLXKo X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAyMDAzNCBTYWx0ZWRfX3Y9KrT1GdLVQ 8McfkR9H8LR2nVkFY2To7ZtWamypW+dadKSPh5H1W3KLMPTCB4emUpLUi7TVEbi0swWon2LNZ6z n/Z4phKNe7i56hC9DHtTQOU9LdJeNUo= X-Authority-Analysis: v=2.4 cv=ZbyIpcVA c=1 sm=1 tr=0 ts=6ae84e96 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=V9RLX921IsFKZjcHrcIA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAyMDAzNCBTYWx0ZWRfXwAnWe4Pj7l9l 1Jg//POmHVR9hqiwx//N1bdkkPUk2vV0XSmAyvH7/Jn6xPO3xdYsTvD74ap2eUiNJFy4k3hD7lg 00lj7uiRMhZC2leMgtBvMpyQV7jW0+uGveoNI9QeCDYnmkoMADdnCwfy9zMGbUUuShm2Ftpy3Sa qR7N+ntQzZcF2oU7f19apNn2vrJwSeh/KkNfc+uWZrqunAkB2L3HY877HatTCeujGL7AgZ5fP4k 0bKA1TRpKZ1u49Cl0qJ3BI6HieyFAaV6KSR0GwD5SI9HJFLYEfJQt6vXN8ncZGMlvU2VMjCOumn FgXPN/xLHkS26BXNwk72axjrdSI+d3PlYTxZ7W8qMxb+zIUmfmejKGDGSvIzYlzwwww9Ro9GY1W olVVjSp86CqxzcI12M7NRBJ2Mo3mV85SsytUmH0XDAKEo7J4A2z3ixY4cqfVTjOX9i2wPHtCzUD iPRfZHq72PJ5lHUX1pA== X-Proofpoint-GUID: 0OvPOuZlVexqej7PobmG7bMC-FccLXKo X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-02_02,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 clxscore=1015 bulkscore=0 impostorscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611020034 On 11/2/26 1:35 AM, Asdlerto Korry wrote: > ucsi_glink and ucsi_huawei_gaokun walk the connector nodes with > device_for_each_child_node(), which yields a struct fwnode_handle, but > print it with %pOFn, which expects a struct device_node. vsprintf then > treats the fwnode_handle as a device_node and calls fwnode_get_name() > on a pointer into the middle of it, so the "missing reg property" error > path oopses instead of printing the message (seen with the same code in > pmic_glink_altmode on a Samsung Galaxy M52 5G). > > Use %pfwP, the specifier for the name of a fwnode. > > Fixes: c6165ed2f425 ("usb: ucsi: glink: use the connector orientation GPIO to provide switch events") > Fixes: 00327d7f2c8c ("usb: typec: ucsi: add Huawei Matebook E Go ucsi driver") > Signed-off-by: Asdlerto Korry > --- Reviewed-by: Konrad Dybcio Konrad