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Mon, 13 Apr 2026 00:25:08 -0700 (PDT) Received: from hu-arandive-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f0c500415sm10213450b3a.51.2026.04.13.00.25.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 00:25:07 -0700 (PDT) From: Aniket Randive To: gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, praveen.talari@oss.qualcomm.com, anup.kulkarni@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, viken.dadhaniya@oss.qualcomm.com Cc: Aniket Randive Subject: [PATCH v1] serial: qcom-geni: Avoid probing debug console UART without console support Date: Mon, 13 Apr 2026 12:55:01 +0530 Message-Id: <20260413072501.263871-1-aniket.randive@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEzMDA3MCBTYWx0ZWRfX1hmZPRomAAti NIToWrBSZML28wjCUBMuHKefooA7u+RfJQ1QjrGHvMHitJVccsFS3BiD0QE5IFUEDcriegwxI9S wO2ImfR2rD1i+0v0njdKY5u/ttZzv9uOEvqz6+jFr3YFC1c9mOl3Qgzq1cPO1mPYJQ/TooL5wab mCD4Fgxa2XX1UpcolkorP9v/NR6R6SWCOle5542fTeaOWxkkxVHhu7gSe7A/bhlZiC0Pi7Mpd92 8Vq1wOQNbNNnv2Ll1m8ogLvngzlY77Sj5T/Qu3ysfcZf8/Nb2Xk7+Mokx4AjU6S75Bt5HigM8Bv ee5wNlbCs/LjiVS40HhDnXxLjmDhD8DjJFLs4Z6chvQHJW2vpBOYHzZ4lIRrVa10X0oiWc4c+Hf 5tT/9wMMjbTbKkP1ym7y3Mh2/yu0NYVlO1JBXjqHffKVorMB5C4bhRh2/Dd8wtOcNeATiGyRg0/ G5IwiHMvEvsRQ1WwOeA== X-Proofpoint-ORIG-GUID: ssOnzNWZMuaaVRpBPcskrH_DnVepV-ue X-Proofpoint-GUID: ssOnzNWZMuaaVRpBPcskrH_DnVepV-ue X-Authority-Analysis: v=2.4 cv=d/LFDxjE c=1 sm=1 tr=0 ts=69dc9a55 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=-DdxBgvXw3sWXynY89EA:9 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-13_02,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 malwarescore=0 phishscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604130070 Content-Type: text/plain; charset="utf-8" When CONFIG_SERIAL_QCOM_GENI_CONSOLE is disabled, the driver still advertises the debug UART compatible strings ("qcom,geni-debug-uart" and "qcom,sa8255p-geni-debug-uart") in its of_match table. This lets the driver match and probe console UART DT nodes even though console support is not built. As a result, the console port is never registered with the UART core and uart_add_one_port() fails with -EINVAL. Fix this by only including the debug UART compatible entries in the match table when CONFIG_SERIAL_QCOM_GENI_CONSOLE is enabled, preventing the driver from probing console UART nodes when console support is absent. Signed-off-by: Aniket Randive Reviewed-by: Praveen Talari --- drivers/tty/serial/qcom_geni_serial.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qco= m_geni_serial.c index 9854bb2406e3..b756e0c07c16 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -2039,6 +2039,7 @@ static const struct dev_pm_ops qcom_geni_serial_pm_op= s =3D { }; =20 static const struct of_device_id qcom_geni_serial_match_table[] =3D { +#if IS_ENABLED(CONFIG_SERIAL_QCOM_GENI_CONSOLE) { .compatible =3D "qcom,geni-debug-uart", .data =3D &qcom_geni_console_data, @@ -2047,6 +2048,7 @@ static const struct of_device_id qcom_geni_serial_mat= ch_table[] =3D { .compatible =3D "qcom,sa8255p-geni-debug-uart", .data =3D &sa8255p_qcom_geni_console_data, }, +#endif { .compatible =3D "qcom,geni-uart", .data =3D &qcom_geni_uart_data, --=20 2.34.1