From patchwork Tue Jul 25 10:34:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter De Schrijver X-Patchwork-Id: 9861709 X-Patchwork-Delegate: sboyd@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 82CF9601A1 for ; Tue, 25 Jul 2017 10:38:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6EF8D28607 for ; Tue, 25 Jul 2017 10:38:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6422728628; Tue, 25 Jul 2017 10:38:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0466928607 for ; Tue, 25 Jul 2017 10:38:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751833AbdGYKiC (ORCPT ); Tue, 25 Jul 2017 06:38:02 -0400 Received: from hqemgate16.nvidia.com ([216.228.121.65]:14312 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751515AbdGYKee (ORCPT ); Tue, 25 Jul 2017 06:34:34 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com id ; Tue, 25 Jul 2017 03:34:56 -0700 Received: from HQMAIL108.nvidia.com ([172.20.13.39]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 25 Jul 2017 03:34:33 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 25 Jul 2017 03:34:33 -0700 Received: from UKMAIL101.nvidia.com (10.26.138.13) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Tue, 25 Jul 2017 10:34:32 +0000 Received: from tbergstrom-lnx.Nvidia.com (10.21.24.170) by UKMAIL101.nvidia.com (10.26.138.13) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Tue, 25 Jul 2017 10:34:30 +0000 Received: from tbergstrom-lnx.nvidia.com (localhost [127.0.0.1]) by tbergstrom-lnx.Nvidia.com (Postfix) with ESMTP id 4B64FF80095; Tue, 25 Jul 2017 13:34:30 +0300 (EEST) From: Peter De Schrijver To: Peter De Schrijver , Prashant Gaikwad , Michael Turquette , "Stephen Boyd" , Thierry Reding , Jonathan Hunter , , , Subject: [PATCH 08/14] clk: tegra: change post IDDQ release delay to 5us Date: Tue, 25 Jul 2017 13:34:09 +0300 Message-ID: <1500978856-5981-9-git-send-email-pdeschrijver@nvidia.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500978856-5981-1-git-send-email-pdeschrijver@nvidia.com> References: <1500978856-5981-1-git-send-email-pdeschrijver@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-Originating-IP: [10.21.24.170] X-ClientProxiedBy: UKMAIL102.nvidia.com (10.26.138.15) To UKMAIL101.nvidia.com (10.26.138.13) Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Increase delay after PLL IDDQ release to 5us per PLL specifications. based on work by Alex Frid Signed-off-by: Peter De Schrijver --- drivers/clk/tegra/clk-pll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 1c36b8a..695ccb4 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -363,7 +363,7 @@ static void _clk_pll_enable(struct clk_hw *hw) val = pll_readl(pll->params->iddq_reg, pll); val &= ~BIT(pll->params->iddq_bit_idx); pll_writel(val, pll->params->iddq_reg, pll); - udelay(2); + udelay(5); } if (pll->params->reset_reg) {