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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78395C4707E for ; Tue, 5 Apr 2022 15:20:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381037AbiDEPNy (ORCPT ); Tue, 5 Apr 2022 11:13:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346408AbiDEJo7 (ORCPT ); Tue, 5 Apr 2022 05:44:59 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 764AADA098; Tue, 5 Apr 2022 02:30:35 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 1066A61680; Tue, 5 Apr 2022 09:30:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CA17C385A2; Tue, 5 Apr 2022 09:30:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649151034; bh=qHfZR3XOEbdpOjmMWZoUuZZmMk1njjr2FLMPPXofQL0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KtRdRypgfDTaGdCbOm8xerS4XUJY+To2ydVnhTWvvDvxPBF81yz0avqDjMgQ5qwsV 0iSc+Rix7PFxgjjEaszNmsXwZTBaRqq7km/x2lpJ/9CWCt155m+qoslPSemf2iMaN8 8esyVPcSttwzQHGvt/fPGxiag//FecxFghFueJ1E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Laurent Pinchart , Rui Miguel Silva , Sakari Ailus , Jerome Brunet , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.15 270/913] media: staging: media: imx: imx7-mipi-csis: Make subdev name unique Date: Tue, 5 Apr 2022 09:22:12 +0200 Message-Id: <20220405070347.951212421@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070339.801210740@linuxfoundation.org> References: <20220405070339.801210740@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Laurent Pinchart [ Upstream commit 5be7f8c91d25089be847a71b336c13b5bb0db772 ] 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. Fixes: 7807063b862b ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7") Signed-off-by: Laurent Pinchart Reviewed-by: Rui Miguel Silva Reviewed-by: Sakari Ailus Reviewed-by: Jerome Brunet Tested-by: Jerome Brunet # On i.MX8MP Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- 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 41e33535de55..d35e52374116 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 @@ -311,7 +310,6 @@ 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]; @@ -1303,8 +1301,8 @@ 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; -- 2.34.1