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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 01200C10F14 for ; Mon, 15 Apr 2019 00:48:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C182920870 for ; Mon, 15 Apr 2019 00:48:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KZWcBo51" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725997AbfDOAr6 (ORCPT ); Sun, 14 Apr 2019 20:47:58 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:44232 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726233AbfDOArm (ORCPT ); Sun, 14 Apr 2019 20:47:42 -0400 Received: by mail-pl1-f193.google.com with SMTP id g12so7677660pll.11; Sun, 14 Apr 2019 17:47:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3VaYvWVwzOkdBmgVwNCUSm0J2jSP5fZYz6kavihb0vk=; b=KZWcBo51AOew8nyqaGo3kd7C++QD9lIb/qtq2eBsUf2OxzI/HIRTAxSd5PuLV/2T4g KvqA7KLH9VpIWqLe4L+zQpYzReb4UUTXvGatEzbDJwTHeHB7jcjppZpT5Be8uO1KfLCo UprxIIZf//kePk7Zz7oHDmNZxJhqfeebTTi5AV32XhKSbosue9+csmaDTmU4IErNhhMs kchMvx3aa+z+6dFeWYXDcJNrhcK2xCogY1W3+UMzBNmQM2/yaAwUsEODpvpJqB3JIjNr zdsHsd9RRJE8I7znrw5HannwTPEls8gqxfwjxGperLfJ+cuHs4/xwgoMkuzZmkGVbhRW dFmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3VaYvWVwzOkdBmgVwNCUSm0J2jSP5fZYz6kavihb0vk=; b=So3IB1UADYpZuky1osRB0HyifJa8Rnth1oWvO2Sth2i8j2oyIyNoda/mhfwTqbiGKQ 7aQW5BCVq4bV508WZbfOFd/sJuo8ilPaNJpel3B6Nlxy9EqfCTfArI/IueUEiIhxhtSD fZItC7FUiGfa2TuQb+woW31FtzPmGss8+GBJMQqU9Lbq2e+R8CGKm1ZlPwri+RL0pbF1 87MQJo1skGJQOK0d1s+s24Vf/q6VMsKwMx3RYHmgqcwIDhbvXNO+TaJUrpztzGSZatCB mQfjvrdsFhzWMPYyuJMeGTheLIym1QwhbDajUavNCUcFsM52yYmUAqvIbgYhFCugMy9a /89g== X-Gm-Message-State: APjAAAWimSIaylUQ97MRFOohFJZucf2N4TCxNennIQX64BMXiVc9w0EZ xmb5O0clZ0mSEdyZbidxjQyE6w9J X-Google-Smtp-Source: APXvYqz2zECm3zq6MDJMmsxC6n9r+1USMjhRz7oMfT9xqxy4W8H/wJJwDZgoFSCbeDn0YQsblUmoGw== X-Received: by 2002:a17:902:aa85:: with SMTP id d5mr72889689plr.251.1555289261729; Sun, 14 Apr 2019 17:47:41 -0700 (PDT) Received: from squirtle.lan (c-24-22-235-96.hsd1.wa.comcast.net. [24.22.235.96]) by smtp.gmail.com with ESMTPSA id u17sm66111981pfn.19.2019.04.14.17.47.40 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 14 Apr 2019 17:47:40 -0700 (PDT) From: Andrey Smirnov To: linux-pci@vger.kernel.org Cc: Andrey Smirnov , Lorenzo Pieralisi , Bjorn Helgaas , Chris Healy , Lucas Stach , linux-kernel@vger.kernel.org Subject: [PATCH v4 11/11] PCI: imx6: Use usleep_range() in imx6_pcie_enable_ref_clk() Date: Sun, 14 Apr 2019 17:46:32 -0700 Message-Id: <20190415004632.5907-12-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190415004632.5907-1-andrew.smirnov@gmail.com> References: <20190415004632.5907-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org imx6_pcie_enable_ref_clk() is never called in atomic context, so there's no need to use udelay(). Replace it with usleep_range(). Signed-off-by: Andrey Smirnov Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Chris Healy Cc: Lucas Stach Cc: linux-kernel@vger.kernel.org Cc: linux-pci@vger.kernel.org --- drivers/pci/controller/dwc/pci-imx6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 3e45f49b8a4f..c6d6bde4d860 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -449,7 +449,7 @@ static int imx6_pcie_enable_ref_clk(struct imx6_pcie *imx6_pcie) * reset time is too short, cannot meet the requirement. * add one ~10us delay here. */ - udelay(10); + usleep_range(10, 100); regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16); break; -- 2.20.1