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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 9995BC2D0C6 for ; Fri, 27 Dec 2019 17:54:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 778B4206CB for ; Fri, 27 Dec 2019 17:54:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577469252; bh=7/bEWBR228SG8GvLa5XKG2h7lDVFYZfEP4V+HyfEkUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mB1GIu+ofCNr59B2+SuvXRQg6adj5b8uHioEkkjD0nu7RaURMU5oxm4b+YgAQW31D xLvFLKfRXngH0Ym0hZ35xKfl3qTZ1buOFw/X8M0UFWHNVZsSoFLeBDLRCW8n4X3hYd BeUwxEi4HtqDIlnMxPEhyYBJc7VUNTCkECyScYxw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728073AbfL0RyH (ORCPT ); Fri, 27 Dec 2019 12:54:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:39730 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727934AbfL0Rml (ORCPT ); Fri, 27 Dec 2019 12:42:41 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 04D4520740; Fri, 27 Dec 2019 17:42:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577468560; bh=7/bEWBR228SG8GvLa5XKG2h7lDVFYZfEP4V+HyfEkUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ad7s9LOHvH5VwZdulAX8Kmn+q9Qpo/zB+8YJofykuyhFJDuA3Vzr8toqyZsf/v+fy L/embmBIdVIzd+guWXZVn+uc0m+FbgboWQSt+0p/ZALIvSIrrqWGgoiBHg3c6NsiGG 8XxeWAdpWAK9IWc8SXMMUstoN9dwVwJQe4WB1iGU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tony Lindgren , Keerthy , Sasha Levin , linux-omap@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 086/187] bus: ti-sysc: Fix missing reset delay handling Date: Fri, 27 Dec 2019 12:39:14 -0500 Message-Id: <20191227174055.4923-86-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191227174055.4923-1-sashal@kernel.org> References: <20191227174055.4923-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tony Lindgren [ Upstream commit e709ed70d122e94cb426b1e1f905829eae19a009 ] We have dts property for "ti,sysc-delay-us", and we're using it, but the wait after OCP softreset only happens if devices are probed in legacy mode. Let's add a delay after writing the OCP softreset when specified. Fixes: e0db94fe87da ("bus: ti-sysc: Make OCP reset work for sysstatus and sysconfig reset bits") Cc: Keerthy Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- drivers/bus/ti-sysc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 2b6670daf7fc..34bd9bf4e68a 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1594,6 +1594,10 @@ static int sysc_reset(struct sysc *ddata) sysc_val |= sysc_mask; sysc_write(ddata, sysc_offset, sysc_val); + if (ddata->cfg.srst_udelay) + usleep_range(ddata->cfg.srst_udelay, + ddata->cfg.srst_udelay * 2); + if (ddata->clk_enable_quirk) ddata->clk_enable_quirk(ddata); -- 2.20.1