From patchwork Thu Jan 6 17:24:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 530765 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 2F9D1C433FE for ; Thu, 6 Jan 2022 17:25:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241781AbiAFRZI (ORCPT ); Thu, 6 Jan 2022 12:25:08 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:50086 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241779AbiAFRZI (ORCPT ); Thu, 6 Jan 2022 12:25:08 -0500 Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9B15214C3; Thu, 6 Jan 2022 18:25:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1641489903; bh=MY3AOJu+4jSi9ZWsPM56edhi2n/b2ENPsg/DgLyQ1QA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HlDd6GaA5epOdPhZPu09FQgl7zHB2j/bxlxdA7WtIm81ufyfWuUuXIwD3inGlVARX GQRLTZtU2A1pQY/O/aeutZvEvPu3Xx2EtARaxdBDsVuEaGktyHuodqjHytMTVXF4kP ZSahFnSaFzJEl+MK1Xc+s9SXQ4e9AFXwEAJf1MAA= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Rui Miguel Silva , Steve Longerbeam , Philipp Zabel , Pengutronix Kernel Team , NXP Linux Team , =?utf-8?b?SsOpcsO0bWUgQnJ1bmV0?= , Sakari Ailus Subject: [PATCH v1 3/3] staging: media: imx: imx7-mipi-csis: Make subdev name unique Date: Thu, 6 Jan 2022 19:24:41 +0200 Message-Id: <20220106172441.7399-4-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220106172441.7399-1-laurent.pinchart@ideasonboard.com> References: <20220106172441.7399-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org When multiple CSIS instances are present in a single graph, they are currently all named "imx7-mipi-csis.0", which breaks the entity name uniqueness requirement. Fix it by using the device name to create the subdev name. Signed-off-by: Laurent Pinchart --- drivers/staging/media/imx/imx7-mipi-csis.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index d7bcfb1a0c52..6443cca817fe 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -32,7 +32,6 @@ #include #define CSIS_DRIVER_NAME "imx7-mipi-csis" -#define CSIS_SUBDEV_NAME CSIS_DRIVER_NAME #define CSIS_PAD_SINK 0 #define CSIS_PAD_SOURCE 1 @@ -313,7 +312,6 @@ struct csi_state { struct reset_control *mrst; struct regulator *mipi_phy_regulator; const struct mipi_csis_info *info; - u8 index; struct v4l2_subdev sd; struct media_pad pads[CSIS_PADS_NUM]; @@ -1329,8 +1327,8 @@ static int mipi_csis_subdev_init(struct csi_state *state) v4l2_subdev_init(sd, &mipi_csis_subdev_ops); sd->owner = THIS_MODULE; - snprintf(sd->name, sizeof(sd->name), "%s.%d", - CSIS_SUBDEV_NAME, state->index); + snprintf(sd->name, sizeof(sd->name), "csis-%s", + dev_name(state->dev)); sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; sd->ctrl_handler = NULL;