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Mon, 21 Sep 2026 06:19:04 -0700 (PDT) Received: from LSSP.an0.nb ([2001:da8:7001:22:8c7c:99fb:5511:9fa5]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-877a6bec901sm3196607b3a.4.2026.09.21.06.19.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 06:19:03 -0700 (PDT) From: Guanxin Li To: Moritz Fischer , Xu Yilun , Tom Rix , Alan Tull , Greg Kroah-Hartman , linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Guanxin Li Subject: [PATCH] fpga: region: depopulate child devices on remove Date: Mon, 21 Sep 2026 21:18:57 +0800 Message-ID: <20260921131857.3619997-1-bruceli20040604@gmail.com> X-Mailer: git-send-email 2.43.0 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 Content-Type: text/plain; charset="utf-8" of_fpga_region_probe() populates child platform devices under the FPGA region using of_platform_populate(), but the remove path does not depopulate them before unregistering the region. Call of_platform_depopulate() before unregistering the FPGA region so that the child devices are properly unregistered and their references are released. Fixes: 0fa20cdfcc1f ("fpga: fpga-region: device tree control for FPGA") Signed-off-by: Guanxin Li --- drivers/fpga/of-fpga-region.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c index 9107a5b461d3..fd3f81db0385 100644 --- a/drivers/fpga/of-fpga-region.c +++ b/drivers/fpga/of-fpga-region.c @@ -429,6 +429,7 @@ static void of_fpga_region_remove(struct platform_devic= e *pdev) struct fpga_region *region =3D platform_get_drvdata(pdev); struct fpga_manager *mgr =3D region->mgr; =20 + of_platform_depopulate(®ion->dev); fpga_region_unregister(region); fpga_mgr_put(mgr); } --=20 2.43.0