From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCE37C5B57A for ; Fri, 28 Jun 2019 12:01:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B53F62086D for ; Fri, 28 Jun 2019 12:01:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726968AbfF1MBC (ORCPT ); Fri, 28 Jun 2019 08:01:02 -0400 Received: from retiisi.org.uk ([95.216.213.190]:32972 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726957AbfF1MA6 (ORCPT ); Fri, 28 Jun 2019 08:00:58 -0400 Received: from lanttu.localdomain (unknown [IPv6:2a01:4f9:c010:4572::e1:1002]) by hillosipuli.retiisi.org.uk (Postfix) with ESMTP id 28E63634C89; Fri, 28 Jun 2019 15:00:41 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, jacopo@jmondi.org, niklas.soderlund@ragnatech.se Subject: [PATCH v4 7/8] ipu3-cio2: Proceed with notifier init even if there are no subdevs Date: Fri, 28 Jun 2019 15:00:53 +0300 Message-Id: <20190628120054.11818-8-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190628120054.11818-1-sakari.ailus@linux.intel.com> References: <20190628120054.11818-1-sakari.ailus@linux.intel.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The notifier may be registered even if there are no subdevs. Do that to simplify the code. Signed-off-by: Sakari Ailus --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 373970f812f4..690d3bd08ddd 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -1506,9 +1506,10 @@ static int cio2_notifier_init(struct cio2_device *cio2) if (ret < 0) goto out; - if (list_empty(&cio2->notifier.asd_list)) - return -ENODEV; /* no endpoint */ - + /* + * Proceed even without sensors connected to allow the device to + * suspend. + */ cio2->notifier.ops = &cio2_async_ops; ret = v4l2_async_notifier_register(&cio2->v4l2_dev, &cio2->notifier); if (ret) { @@ -1815,8 +1816,7 @@ static int cio2_pci_probe(struct pci_dev *pci_dev, /* Register notifier for subdevices we care */ r = cio2_notifier_init(cio2); - /* Proceed without sensors connected to allow the device to suspend. */ - if (r && r != -ENODEV) + if (r) goto fail_cio2_queue_exit; r = devm_request_irq(&pci_dev->dev, pci_dev->irq, cio2_irq, -- 2.11.0