From nobody Mon Sep 29 20:16:06 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E513C25B0F for ; Tue, 16 Aug 2022 04:42:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231976AbiHPEmm (ORCPT ); Tue, 16 Aug 2022 00:42:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231690AbiHPEkP (ORCPT ); Tue, 16 Aug 2022 00:40:15 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6605FA4B33; Mon, 15 Aug 2022 13:31:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 21047B80EB1; Mon, 15 Aug 2022 20:31:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5996CC433C1; Mon, 15 Aug 2022 20:31:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660595491; bh=sT5pL6cUl6cZxcolgG5Lty5iulljWSDOK+DQZab1v8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nV3NqBTjoBHbcIW/hegfSRpfozF9y3UFqNPVgUy0Xsk5K7jvjHi2xSiHmA2YbQxXt sia6MCedH26eEy+lbRYnl/pcMt8v0DZs+EdtFj78bMDfqQPGEgd2p/BJmiUYQov6E1 TVFVwjgm/8zpgpRhWwSCongWguOhAHbK04noyqkk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shunsuke Mie , Bjorn Helgaas , Kishon Vijay Abraham I , Sasha Levin Subject: [PATCH 5.19 0781/1157] PCI: endpoint: Dont stop controller when unbinding endpoint function Date: Mon, 15 Aug 2022 20:02:17 +0200 Message-Id: <20220815180510.738460720@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180439.416659447@linuxfoundation.org> References: <20220815180439.416659447@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Shunsuke Mie [ Upstream commit 1bc2b7bfba6e2f64edf5e246f3af2967261f6c3d ] Unbinding an endpoint function from the endpoint controller shouldn't stop the controller. This is especially a problem for multi-function endpoints where other endpoints may still be active. Don't stop the controller when unbinding one of its endpoints. Normally the controller is stopped via configfs. Fixes: 349e7a85b25f ("PCI: endpoint: functions: Add an EP function to test = PCI") Link: https://lore.kernel.org/r/20220622040924.113279-1-mie@igel.co.jp Signed-off-by: Shunsuke Mie Signed-off-by: Bjorn Helgaas Acked-by: Kishon Vijay Abraham I Signed-off-by: Sasha Levin --- drivers/pci/endpoint/functions/pci-epf-test.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/en= dpoint/functions/pci-epf-test.c index 5b833f00e980..a5ed779b0a51 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -627,7 +627,6 @@ static void pci_epf_test_unbind(struct pci_epf *epf) =20 cancel_delayed_work(&epf_test->cmd_handler); pci_epf_test_clean_dma_chan(epf_test); - pci_epc_stop(epc); for (bar =3D 0; bar < PCI_STD_NUM_BARS; bar++) { epf_bar =3D &epf->bar[bar]; =20 --=20 2.35.1