From patchwork Fri Jul 19 17:16:45 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Soren Brinkmann X-Patchwork-Id: 2830641 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CF7AFC0319 for ; Fri, 19 Jul 2013 17:19:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 21C56202F9 for ; Fri, 19 Jul 2013 17:18:56 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0B061202F6 for ; Fri, 19 Jul 2013 17:18:55 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0EJZ-0000wh-1Q; Fri, 19 Jul 2013 17:17:58 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0EJN-0007AC-6X; Fri, 19 Jul 2013 17:17:45 +0000 Received: from mail-pd0-x233.google.com ([2607:f8b0:400e:c02::233]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0EJA-00077y-CE for linux-arm-kernel@lists.infradead.org; Fri, 19 Jul 2013 17:17:33 +0000 Received: by mail-pd0-f179.google.com with SMTP id q10so4500045pdj.24 for ; Fri, 19 Jul 2013 10:17:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=RgCTFMXyDS5+lOr77HWEk4O5g7IfTKZRR9Jw1e8x+K0=; b=g89oe59rdgaKv2XwT797BvlcbexZ2VPyYVKRUi5dLWemLp9EaMU0WlFheqblQ7IOTB UFB2yblUliJPV/KfvVAzsgmut8reJLWYtSejp6Q8dgJi0/PdlwgPLfzsi7/4GhQ4MCc0 jvwlsHr5OstXVb3vK+BK1TDACB1sRQTiPmkKdfwjMbsp9GW2jBzOJI3EFKS/cu0649Cq 7DyrU2GMKFW/vR1/895y2gesSvYg6SoSxbpeOusVAYwko2bQVbwROAF9XjCYSsh6l/wJ hSdDcDWuU66BE7oc/RbC3zSo/WzK8bDoEFJNchYJnFRRTYNR2bCq6upEc+rUtDZMHONf 75Xw== X-Received: by 10.66.13.202 with SMTP id j10mr19371302pac.181.1374254228459; Fri, 19 Jul 2013 10:17:08 -0700 (PDT) Received: from localhost ([149.199.62.254]) by mx.google.com with ESMTPSA id uj1sm23667310pac.21.2013.07.19.10.17.06 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Fri, 19 Jul 2013 10:17:07 -0700 (PDT) From: Soren Brinkmann To: Mike Turquette , Michal Simek Subject: [PATCH 2/2] clk/zynq/pll: Use #defines for fbdiv min/max values Date: Fri, 19 Jul 2013 10:16:45 -0700 Message-Id: <1374254205-9912-2-git-send-email-soren.brinkmann@xilinx.com> X-Mailer: git-send-email 1.8.3.3 In-Reply-To: <1374254205-9912-1-git-send-email-soren.brinkmann@xilinx.com> References: <1374254205-9912-1-git-send-email-soren.brinkmann@xilinx.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130719_131732_526871_25F1D401 X-CRM114-Status: GOOD ( 10.36 ) X-Spam-Score: -1.9 (-) Cc: Soren Brinkmann , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Srikanth Thokala X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use more descriptive #defines for the minimum and maximum PLL feedback divider. Signed-off-by: Soren Brinkmann --- drivers/clk/zynq/pll.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/clk/zynq/pll.c b/drivers/clk/zynq/pll.c index 67f1b5e..26a8d8b 100644 --- a/drivers/clk/zynq/pll.c +++ b/drivers/clk/zynq/pll.c @@ -50,6 +50,9 @@ struct zynq_pll { #define PLLCTRL_RESET_MASK 1 #define PLLCTRL_RESET_SHIFT 0 +#define PLL_FBDIV_MIN 13 +#define PLL_FBDIV_MAX 66 + /** * zynq_pll_round_rate() - Round a clock frequency * @hw: Handle between common and hardware-specific interfaces @@ -63,10 +66,10 @@ static long zynq_pll_round_rate(struct clk_hw *hw, unsigned long rate, u32 fbdiv; fbdiv = DIV_ROUND_CLOSEST(rate, *prate); - if (fbdiv < 13) - fbdiv = 13; - else if (fbdiv > 66) - fbdiv = 66; + if (fbdiv < PLL_FBDIV_MIN) + fbdiv = PLL_FBDIV_MIN; + else if (fbdiv > PLL_FBDIV_MAX) + fbdiv = PLL_FBDIV_MAX; return *prate * fbdiv; }