From patchwork Wed Apr 5 07:52:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13201315 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C7267C7619A for ; Wed, 5 Apr 2023 07:52:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 27EDB10E855; Wed, 5 Apr 2023 07:52:36 +0000 (UTC) Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by gabe.freedesktop.org (Postfix) with ESMTPS id 67AF710E855 for ; Wed, 5 Apr 2023 07:52:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1680681154; x=1712217154; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ACkQIz0HgFos+YXo9V5mft0d3fgcbgEVuIDukGfZwVE=; b=OQSdLsobUa1/wF+tQjwJ2pmQu1EdOWJc8Nu0vES3zUp8/jy9iLbnJhCJ beWA5vKCfRb5hGFLErYxxXUmMRTL9t1VrD/DAtLIHdh3uXH7hp0KyIEgB k+uNrd7Vfwg7sJlW+yNKGPBZ/mP3U5vf8ge6tG2w26JIYSx5qM6RyophA v1ZqefFmQGjYy5PBXCZ9rsVJVuwPtx0Xi82wbPoqS27I741ohnx42LTRe ypN4dWZ39/nlTvdJlvV3tjAlDIKYjXprxYoPuRSn2Be/riVZNELqJu0wO mHiFhdag2EkIJe0r3p+9tM2rKTRVbjQhfRMzUoCbKuwoTaYCTQGEsADBX A==; X-IronPort-AV: E=Sophos;i="5.98,319,1673910000"; d="scan'208";a="30155776" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 05 Apr 2023 09:52:31 +0200 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Wed, 05 Apr 2023 09:52:31 +0200 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Wed, 05 Apr 2023 09:52:31 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1680681151; x=1712217151; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ACkQIz0HgFos+YXo9V5mft0d3fgcbgEVuIDukGfZwVE=; b=B/nptGNypjB+n5AY66RaP9r8rsM3uy/TYfwUjJbaWrjviUCcK3OUeVaP 2BqHUinYeNaYabcK2ZZx/OuX8pzl+2HGj/uTSuaSG1GJsOepQFm4Yjbw0 UiRUlEN4mivD+ZJ4rTpinBvx5UUzmjL53HZr6CBoRg3mVQF4Th7PYkedu xZIS4+Z3kPUbQ9QGEfQtESPt/meqKmeVzqI11Q0XI6M/uP6Z3GCOJ+NBD B3PRFhwpBDLSeTC38KoG+H7fVqZlTUNUrDsrSHP87jHPYwBXghzbzedEh o2U0oM4uSc4VEz9QbVU0UZTC8CoPZvqHdPSsDRnO1DsKzFSLOaSgSmSea g==; X-IronPort-AV: E=Sophos;i="5.98,319,1673910000"; d="scan'208";a="30155774" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 05 Apr 2023 09:52:31 +0200 Received: from steina-w.tq-net.de (unknown [10.123.53.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id 3D5E4280056; Wed, 5 Apr 2023 09:52:31 +0200 (CEST) From: Alexander Stein To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter Subject: [PATCH 1/1] drm/bridge: ti-sn65dsi83: use dev_err_probe if host attach failed Date: Wed, 5 Apr 2023 09:52:23 +0200 Message-Id: <20230405075223.579461-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Stein , dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There might be cases where the host attach is deferred, use dev_err_probe to add more detailed information to /sys/kernel/debug/devices_deferred. Signed-off-by: Alexander Stein Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 91ecfbe45bf9..988e537ab884 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -698,8 +698,10 @@ static int sn65dsi83_probe(struct i2c_client *client) drm_bridge_add(&ctx->bridge); ret = sn65dsi83_host_attach(ctx); - if (ret) + if (ret) { + dev_err_probe(dev, ret, "failed to attach DSI host\n"); goto err_remove_bridge; + } return 0;