From patchwork Fri Jul 14 01:37:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13312832 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 8F02DC001DF for ; Fri, 14 Jul 2023 01:38:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A62610E7B8; Fri, 14 Jul 2023 01:38:13 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5F55810E7AB for ; Fri, 14 Jul 2023 01:38:08 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 535A661BE7; Fri, 14 Jul 2023 01:38:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E25CC43391; Fri, 14 Jul 2023 01:38:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689298684; bh=Yz2WLdihy2cH3NLgwzal4tjdyU5OuV1nw3L8ogj7TNI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ElmvuO0AzQAHTExm1eL3Pr0z3ijuwCOvIz3Wso7OgiIp4JteopEROMpZ1ysINuHjx d4tBmsHove9QJEAjJA3rJzIF3t5wwRjaadgAgMdfsoJfSjhkTDEv+81FAGqTS2nt0w DBCMDnKaJnSjH835aAow1Mdyf98wtOj3lVdoIfLPXdrnKasyfNkTvbJmTTIE0gJndg kaW+hZZgK470Od+3X5YB5tMsG+/q8WBCjv/lDYVPrRy4BTg1/f8ML9tv1IZ7wTJCtE Hcr8SBEkvJS338SFyaEisMDm7UXqKAXRSBnvuR8viair8BTjvaRLLOhCc2iaeZgSZt plus0XsmLz5Vw== Received: by mercury (Postfix, from userid 1000) id D58DE1067695; Fri, 14 Jul 2023 03:37:58 +0200 (CEST) From: Sebastian Reichel To: Sebastian Reichel Subject: [PATCH v3 05/19] drm/panel: sitronix-st7789v: make reset GPIO optional Date: Fri, 14 Jul 2023 03:37:42 +0200 Message-Id: <20230714013756.1546769-6-sre@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230714013756.1546769-1-sre@kernel.org> References: <20230714013756.1546769-1-sre@kernel.org> 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: devicetree@vger.kernel.org, Krzysztof Kozlowski , Gerald Loacker , Sam Ravnborg , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Rob Herring , Thierry Reding , Michael Riesch , Miquel Raynal Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The reset pin might not be software controllable from the SoC, so make it optional. Reviewed-by: Michael Riesch Signed-off-by: Sebastian Reichel --- drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index f7566551b5e2..1d43b8cc1647 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -369,7 +369,7 @@ static int st7789v_probe(struct spi_device *spi) if (IS_ERR(ctx->power)) return PTR_ERR(ctx->power); - ctx->reset = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW); + ctx->reset = devm_gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(ctx->reset)) { dev_err(&spi->dev, "Couldn't get our reset line\n"); return PTR_ERR(ctx->reset);