From patchwork Tue Oct 10 07:07:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Ond=C5=99ej_Jirman?= X-Patchwork-Id: 733124 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 A2D9ACD68ED for ; Tue, 10 Oct 2023 07:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442324AbjJJHIC (ORCPT ); Tue, 10 Oct 2023 03:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377808AbjJJHIB (ORCPT ); Tue, 10 Oct 2023 03:08:01 -0400 Received: from vps.xff.cz (vps.xff.cz [195.181.215.36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10B3A92; Tue, 10 Oct 2023 00:07:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xff.cz; s=mail; t=1696921675; bh=4lNplERnI6yZsihONwZhR1SOQRzefzq61EbgYbT+Bl4=; h=From:To:Cc:Subject:Date:From; b=u9HA17p7oMjX7AEpQ9GGFvYeQ7rA7lsBRNbzq6/RpIbGCbQ2KQlco8lZ1vw3O/EGP b2BGQhYZEx5gRHcbg2QDf/VgPjNTUaB2+jby10JNMtqUDC5886z2UoC2MA22NHh0B8 UwURBQ4Cf8MkSqwyXU9boo2KWNtYDH/pHBm3FU9A= From: =?utf-8?q?Ond=C5=99ej_Jirman?= To: linux-rockchip@lists.infradead.org Cc: Ondrej Jirman , Jacopo Mondi , Nicholas Roth , Sakari Ailus , Mauro Carvalho Chehab , linux-media@vger.kernel.org (open list:OMNIVISION OV8858 SENSOR DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2] media: i2c: ov8858: Don't set fwnode in the driver Date: Tue, 10 Oct 2023 09:07:44 +0200 Message-ID: <20231010070747.1781612-1-megi@xff.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Ondrej Jirman This makes the driver work with the new check in v4l2_async_register_subdev() that was introduced recently in 6.6-rc1. Without this change, probe fails with: ov8858 1-0036: Detected OV8858 sensor, revision 0xb2 ov8858 1-0036: sub-device fwnode is an endpoint! ov8858 1-0036: v4l2 async register subdev failed ov8858: probe of 1-0036 failed with error -22 This also simplifies the driver a bit. Signed-off-by: Ondrej Jirman --- v2: - call fwnode_handle_put earlier to avoid multiple calls to it in error code paths (suggested by Jacopo Mondi) drivers/media/i2c/ov8858.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/media/i2c/ov8858.c b/drivers/media/i2c/ov8858.c index 3af6125a2eee..4d9fd76e2f60 100644 --- a/drivers/media/i2c/ov8858.c +++ b/drivers/media/i2c/ov8858.c @@ -1850,9 +1850,9 @@ static int ov8858_parse_of(struct ov8858 *ov8858) } ret = v4l2_fwnode_endpoint_parse(endpoint, &vep); + fwnode_handle_put(endpoint); if (ret) { dev_err(dev, "Failed to parse endpoint: %d\n", ret); - fwnode_handle_put(endpoint); return ret; } @@ -1864,12 +1864,9 @@ static int ov8858_parse_of(struct ov8858 *ov8858) default: dev_err(dev, "Unsupported number of data lanes %u\n", ov8858->num_lanes); - fwnode_handle_put(endpoint); return -EINVAL; } - ov8858->subdev.fwnode = endpoint; - return 0; } @@ -1913,7 +1910,7 @@ static int ov8858_probe(struct i2c_client *client) ret = ov8858_init_ctrls(ov8858); if (ret) - goto err_put_fwnode; + return ret; sd = &ov8858->subdev; sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; @@ -1964,8 +1961,6 @@ static int ov8858_probe(struct i2c_client *client) media_entity_cleanup(&sd->entity); err_free_handler: v4l2_ctrl_handler_free(&ov8858->ctrl_handler); -err_put_fwnode: - fwnode_handle_put(ov8858->subdev.fwnode); return ret; } @@ -1978,7 +1973,6 @@ static void ov8858_remove(struct i2c_client *client) v4l2_async_unregister_subdev(sd); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(&ov8858->ctrl_handler); - fwnode_handle_put(ov8858->subdev.fwnode); pm_runtime_disable(&client->dev); if (!pm_runtime_status_suspended(&client->dev))