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 32A0EC4321E for ; Mon, 7 Mar 2022 10:23:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235922AbiCGKXu (ORCPT ); Mon, 7 Mar 2022 05:23:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241772AbiCGKVO (ORCPT ); Mon, 7 Mar 2022 05:21:14 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF10290FD7; Mon, 7 Mar 2022 01:58:22 -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 ams.source.kernel.org (Postfix) with ESMTPS id 45D04B810B2; Mon, 7 Mar 2022 09:58:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E6A2C340F3; Mon, 7 Mar 2022 09:58:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646647101; bh=J76EK4Gg0zKonoDusSRUDGSGYSXcFIUSgfL51l/8jB4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pvp47+Iz8QYbW/v6ZkKYc58Fc0RU0+be0f7x1y6fEj2GyX99u2hbIsS7MH/V6F1yE m9oHegh2U5d16ao3cRV18ELnXWF3NI24g8ZIyN/G+KP4IPZ6eFBmUhiUAgMjhMCiyr QMq/6kOsxn+mRjfscYyJ5YM+dCmboG69GacYpQ1U= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Douglas Anderson , Linus Walleij , Sasha Levin Subject: [PATCH 5.16 157/186] drm/bridge: ti-sn65dsi86: Properly undo autosuspend Date: Mon, 7 Mar 2022 10:19:55 +0100 Message-Id: <20220307091658.466374511@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307091654.092878898@linuxfoundation.org> References: <20220307091654.092878898@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: stable@vger.kernel.org From: Douglas Anderson [ Upstream commit 26d3474348293dc752c55fe6d41282199f73714c ] The PM Runtime docs say: Drivers in ->remove() callback should undo the runtime PM changes done in ->probe(). Usually this means calling pm_runtime_disable(), pm_runtime_dont_use_autosuspend() etc. We weren't doing that for autosuspend. Let's do it. Fixes: 9bede63127c6 ("drm/bridge: ti-sn65dsi86: Use pm_runtime autosuspend") Signed-off-by: Douglas Anderson Reviewed-by: Linus Walleij Link: https://patchwork.freedesktop.org/patch/msgid/20220222141838.1.If784ba19e875e8ded4ec4931601ce6d255845245@changeid Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 83d06c16d4d7..b7f74c146dee 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -1474,6 +1474,7 @@ static inline void ti_sn_gpio_unregister(void) {} static void ti_sn65dsi86_runtime_disable(void *data) { + pm_runtime_dont_use_autosuspend(data); pm_runtime_disable(data); } @@ -1533,11 +1534,11 @@ static int ti_sn65dsi86_probe(struct i2c_client *client, "failed to get reference clock\n"); pm_runtime_enable(dev); + pm_runtime_set_autosuspend_delay(pdata->dev, 500); + pm_runtime_use_autosuspend(pdata->dev); ret = devm_add_action_or_reset(dev, ti_sn65dsi86_runtime_disable, dev); if (ret) return ret; - pm_runtime_set_autosuspend_delay(pdata->dev, 500); - pm_runtime_use_autosuspend(pdata->dev); ti_sn65dsi86_debugfs_init(pdata); -- 2.34.1