From patchwork Thu Jun 24 00:03:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 12340645 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 7E406C49EA6 for ; Thu, 24 Jun 2021 00:03:58 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2E5F4611CB for ; Thu, 24 Jun 2021 00:03:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2E5F4611CB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5410D6E99B; Thu, 24 Jun 2021 00:03:57 +0000 (UTC) Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id 557156E993 for ; Thu, 24 Jun 2021 00:03:42 +0000 (UTC) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 51DBA17BB; Thu, 24 Jun 2021 02:03:40 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1624493020; bh=7vpAmbY8TgK2fPF9LkRN+lXfMSXtvodDbFWNWnOBudU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rsaKqxbqIUsfT1Ztf4aORVCJeNBPl9uio/MRYq2iD7tBALYrf9z+5DHE7HPYPc8nC KjRUE6YBiOqPsJYFbD930p9Fae9n2ob5o42j9AngJQfS1AmdjoMrLH41nWMdoJO1JM hex3/29ynXV6zyVi8O051F+tnIjo0UvbBLDzyK9M= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 2/6] drm/bridge: ti-sn65dsi86: Make enable GPIO optional Date: Thu, 24 Jun 2021 03:03:00 +0300 Message-Id: <20210624000304.16281-3-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210624000304.16281-1-laurent.pinchart+renesas@ideasonboard.com> References: <20210624000304.16281-1-laurent.pinchart+renesas@ideasonboard.com> 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: Jonas Karlman , Neil Armstrong , Kieran Bingham , Robert Foss , Douglas Anderson , linux-renesas-soc@vger.kernel.org, Andrzej Hajda , Jagan Teki , Stephen Boyd Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The enable signal may not be controllable by the kernel. Make it optional. Signed-off-by: Laurent Pinchart Reviewed-by: Jagan Teki Reviewed-by: Stephen Boyd Reviewed-by: Douglas Anderson --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 5d712c8c3c3b..f0c7c6d4b2c1 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1459,7 +1459,8 @@ static int ti_sn65dsi86_probe(struct i2c_client *client, return dev_err_probe(dev, PTR_ERR(pdata->regmap), "regmap i2c init failed\n"); - pdata->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); + pdata->enable_gpio = devm_gpiod_get_optional(dev, "enable", + GPIOD_OUT_LOW); if (IS_ERR(pdata->enable_gpio)) return dev_err_probe(dev, PTR_ERR(pdata->enable_gpio), "failed to get enable gpio from DT\n");