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Wed, 20 May 2026 05:16:43 -0700 (PDT) Received: from brgl-qcom.home ([2a01:cb1d:dc:7e00:9ec3:885a:6d78:48d0]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45d9e768acesm57632909f8f.7.2026.05.20.05.16.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2026 05:16:42 -0700 (PDT) From: Bartosz Golaszewski To: Geert Uytterhoeven , Linus Walleij , Bartosz Golaszewski , Koichiro Den Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski , Geert Uytterhoeven Subject: [PATCH] gpio: aggregator: remove the software node when deactivating the aggregator Date: Wed, 20 May 2026 14:16:31 +0200 Message-ID: <20260520121631.33976-1-bartosz.golaszewski@oss.qualcomm.com> X-Mailer: git-send-email 2.47.3 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-GUID: O3zjPg2eYQTb9I59gqM_p5iOXZXP3x37 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIwMDExOSBTYWx0ZWRfXy6gcYagQyt6D BjdbSR2+wg6Val63uRPNZLD1vPdN2wa+j4Pe07hAn33Jsw+0S4p9t0wdnny/mvpR37LpnTQ6OTt Cy9s+a8Marx7Of/yC5Q3Qq/yzhDwz+FNNdhvgycPHM6OL1JcKqhVnSY6HKlP2KSbjwnrmEJSGiw xgOuAB4JcA2K7SRKvHvwAGVDc5apS/EZIQ5tbupZtxlJI7uEOqmCjUWANfbQ3jxD7g/d7p8OD7i OOH2ruCXcK+ErtEMHLwL/aJJvlbxvUkKgLE11K4Pcn0D2azc6/mVSbktdAph/TWdN2zCGCGunFV Uui1p4B//ocT4GZLQ+ggRNmRKHvsWGA6mfrlAOcrL/QZRB6PmPX4WXhIkuzMWU+uL5UVj6dq71S 8K0JrldCmTomX6+FOHR3VG/KiNuG1DKr5EsRKAAkXBhYJORq9nrxB0kpNYWP/J8zdE653s3a13n lY4eTTtV2aXEMFQpWOw== X-Proofpoint-ORIG-GUID: O3zjPg2eYQTb9I59gqM_p5iOXZXP3x37 X-Authority-Analysis: v=2.4 cv=C4LZDwP+ c=1 sm=1 tr=0 ts=6a0da62c cx=c_pps a=lkkFf9KBb43tY3aOjL++dA==:117 a=xqWC_Br6kY4A:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=tBb2bbeoAAAA:8 a=EUspDBNiAAAA:8 a=jtW8TX3knPb4IrXsSFQA:9 a=k4UEASGLJojhI9HsvVT1:22 a=Oj-tNtZlA1e06AYgeCfH: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=2026-05-20_02,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 spamscore=0 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605200119 Content-Type: text/plain; charset="utf-8" The dynamic software node we create for the aggregator platform device when using configfs is leaked when the device is deactivated. Destroy it as the last step in the tear-down path. Fixes: 86f162e73d2d ("gpio: aggregator: introduce basic configfs interface") Reported-by: Geert Uytterhoeven Closes: https://lore.kernel.org/all/CAMuHMdVZ=3DXUvJTGdDAjnkxgtw7Uvnn61iOy3= XN_5XNZM2anctw@mail.gmail.com/ Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-aggregator.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c index 5915209e1e21..44f19f22fc30 100644 --- a/drivers/gpio/gpio-aggregator.c +++ b/drivers/gpio/gpio-aggregator.c @@ -991,11 +991,15 @@ static int gpio_aggregator_activate(struct gpio_aggre= gator *aggr) =20 static void gpio_aggregator_deactivate(struct gpio_aggregator *aggr) { + struct fwnode_handle *swnode; + + swnode =3D dev_fwnode(&aggr->pdev->dev); platform_device_unregister(aggr->pdev); aggr->pdev =3D NULL; gpiod_remove_lookup_table(aggr->lookups); kfree(aggr->lookups->dev_id); kfree(aggr->lookups); + fwnode_remove_software_node(swnode); } =20 static void gpio_aggregator_lockup_configfs(struct gpio_aggregator *aggr, --=20 2.47.3