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Sun, 27 Sep 2026 18:15:59 -0700 (PDT) Received: from LSSP.an0.nb ([2001:da8:7001:22:6cf6:6d8c:1a91:b208]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2df9142937asm33747505ad.46.2026.09.27.18.15.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Sep 2026 18:15:59 -0700 (PDT) From: Guanxin Li To: Moritz Fischer , Xu Yilun , Tom Rix , Greg Kroah-Hartman , Alan Tull , linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Guanxin Li Subject: [PATCH] fpga: region: depopulate child devices on remove Date: Mon, 28 Sep 2026 09:15:51 +0800 Message-ID: <20260928011551.15629-1-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: 8bit 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_device *pdev) struct fpga_region *region = platform_get_drvdata(pdev); struct fpga_manager *mgr = region->mgr; + of_platform_depopulate(®ion->dev); fpga_region_unregister(region); fpga_mgr_put(mgr); } -- 2.43.0