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 246F3C433EF for ; Tue, 15 Feb 2022 15:28:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239971AbiBOP3G (ORCPT ); Tue, 15 Feb 2022 10:29:06 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:46310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240010AbiBOP2d (ORCPT ); Tue, 15 Feb 2022 10:28:33 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2D85B0EBB; Tue, 15 Feb 2022 07:27:49 -0800 (PST) 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 603E4615FE; Tue, 15 Feb 2022 15:27:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA093C36AE7; Tue, 15 Feb 2022 15:27:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644938868; bh=BOnIhtOxhnn7VldcjnILH2G5d8hO49/zPZe3pqe3v6o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TQoQAqSkwYqJEcQdnK7DyqG/Z7mUzgn8esmBUoDC7kcirtLTIwLPhw+Z5NG6wW56Q x4QWigq1H724Y7HduJ7qPZ0A+IOT7ZS3gJHRZ5IWUDHbtFHWjyZhjrIlfAU8gFvS0x U1/xLjNN3xRwtCNKWQq9/y708fgpqksfcpYnH8ei5ff+KaC3z7mxR+ZF7cOqxL4PCF kbmS5/0RQAcow90TyQVYBaEC10d8O2K0zuqmRMfZLSaq6q1CgRuD1bgn3rnH8ezTEQ LtUljugxhDpMVX/YShdUrRJrOUPD4o9JdOddcJgNXclI3mwZyIu5/PrM9gBxsnF3me UJNgcToLu+vxQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sascha Hauer , Heiko Stuebner , Sasha Levin , hjc@rock-chips.com, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH AUTOSEL 5.16 25/34] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case Date: Tue, 15 Feb 2022 10:26:48 -0500 Message-Id: <20220215152657.580200-25-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220215152657.580200-1-sashal@kernel.org> References: <20220215152657.580200-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sascha Hauer [ Upstream commit c0cfbb122275da1b726481de5a8cffeb24e6322b ] The driver returns an error when devm_phy_optional_get() fails leaving the previously enabled clock turned on. Change order and enable the clock only after the phy has been acquired. Signed-off-by: Sascha Hauer Signed-off-by: Heiko Stuebner Link: https://patchwork.freedesktop.org/patch/msgid/20220126145549.617165-3-s.hauer@pengutronix.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 830bdd5e9b7ce..8677c82716784 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, return ret; } - ret = clk_prepare_enable(hdmi->vpll_clk); - if (ret) { - DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", - ret); - return ret; - } - hdmi->phy = devm_phy_optional_get(dev, "hdmi"); if (IS_ERR(hdmi->phy)) { ret = PTR_ERR(hdmi->phy); @@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, return ret; } + ret = clk_prepare_enable(hdmi->vpll_clk); + if (ret) { + DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", + ret); + return ret; + } + drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs); drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); -- 2.34.1