From patchwork Mon Jan 1 19:43:09 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 10139435 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 2768B60362 for ; Mon, 1 Jan 2018 19:45:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 18F42286F9 for ; Mon, 1 Jan 2018 19:45:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0B1B9286FD; Mon, 1 Jan 2018 19:45:44 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 89522286F9 for ; Mon, 1 Jan 2018 19:45:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932224AbeAATpT (ORCPT ); Mon, 1 Jan 2018 14:45:19 -0500 Received: from mail-wm0-f66.google.com ([74.125.82.66]:40244 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932209AbeAATnq (ORCPT ); Mon, 1 Jan 2018 14:43:46 -0500 Received: by mail-wm0-f66.google.com with SMTP id f206so57902567wmf.5 for ; Mon, 01 Jan 2018 11:43:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nexus-software-ie.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QvbVzzDzCpL3/hWMBRDr5/qRLVgrhls+vhNSUzVIiuA=; b=v/3l835QPiffOYV0YVUlvGzniG9//8wNVFTS4/O4Wy+9SN+3aGujSbSZgRG9dyjJVa x5Pk/90YROOukS5wgN3DbOBm7zkD7bGhnL6tYys8KIUHRL3l75bXFocOI5/tcptQsoLN 4HKI8+r4MbJ12wLzaNCUphainYJNaLwMZIj1fbRUDrpQmqM6jpfEo9hBMn6gBaSCZwMq TqetZTPBFJAtraSX3xZDrVPjuP9cLmKxtP4c6xXr8Tpx/sJbzr6R6ciAe4K9cc/yEXHk rE7shBZLKtIsRA8wCFE+BNWvudSzRkc4XVQKJO0JmD9IIhGrKxKOi9JO9heefkQhkPw0 OrwQ== 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; bh=QvbVzzDzCpL3/hWMBRDr5/qRLVgrhls+vhNSUzVIiuA=; b=oFturzuwrDRdEwQ0JTJ+zzYkGoBMusZlefSwMbA4AySlz3zYXbFG3nZpY97oKmw3jo rHr0CrVOwhTMdHTH87ln+yKvwuhRG/3ZWz9KNZVHQaMnXluBHcvh+bxBNnNtEcq1aqkS Q8twe1iuBwmOXZJOmnW1h/4AhLnxTPg3wYnSAu3spMUGhuAEukEoBxkLoFSrjCtfhWbH vgt8bsYLAAUZDnVD5x8UcrHw3ByICSzm4svaNfavB9/nbWx4qEE4U9CobXAYl5y5VqBZ GwrLSxcoEfj/uISWBFwIv/SDL1OwIZZh+muMfb1/1ewWC7jd7GcyVYKR17zogFr1Y7Tb vcwg== X-Gm-Message-State: AKGB3mIfYtE+jEePTjrgAaCit0goSpPQAqFI3b8Ba4jpgUf2eiaAQzXJ +RQY9661i0ykzMPzcvlpXZKjiQ== X-Google-Smtp-Source: ACJfBouZ6yC7s/oSI0qpYKn2wZ7uceVtZRAiuVcfaNvhHv7eLtn/cENrkeN9AIkPKNOZGrpl8LTU/Q== X-Received: by 10.80.155.84 with SMTP id a20mr59822411edj.21.1514835825311; Mon, 01 Jan 2018 11:43:45 -0800 (PST) Received: from localhost.localdomain (D4CCACC7.cm-2.dynamic.ziggo.nl. [212.204.172.199]) by smtp.gmail.com with ESMTPSA id w2sm39361075edb.4.2018.01.01.11.43.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 01 Jan 2018 11:43:44 -0800 (PST) From: Bryan O'Donoghue To: mturquette@baylibre.com, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: Bryan O'Donoghue , Eugeniy Paltsev Subject: [PATCH v3 30/34] clk: axs10x: change axs10x_pll_round_rate return logic Date: Mon, 1 Jan 2018 19:43:09 +0000 Message-Id: <1514835793-1104-31-git-send-email-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514835793-1104-1-git-send-email-pure.logic@nexus-software.ie> References: <1514835793-1104-1-git-send-email-pure.logic@nexus-software.ie> 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 This patch updates the round_rate() logic here to return zero instead of a negative number on error. In conjunction with higher-level changes associated with acting on the return value of clk_ops->round_rate() it is then possible to have clk_ops->round_rate() return values from 1 Hz to ULONG_MAX Hz instead of the current limitation of 1 Hz to LONG_MAX Hz. Signed-off-by: Bryan O'Donoghue Cc: Eugeniy Paltsev Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/axs10x/pll_clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/axs10x/pll_clock.c b/drivers/clk/axs10x/pll_clock.c index 27498eb..e90ae9e 100644 --- a/drivers/clk/axs10x/pll_clock.c +++ b/drivers/clk/axs10x/pll_clock.c @@ -162,7 +162,7 @@ static unsigned long axs10x_pll_round_rate(struct clk_hw *hw, const struct axs10x_pll_cfg *pll_cfg = clk->pll_cfg; if (pll_cfg[0].rate == 0) - return -EINVAL; + return 0; best_rate = pll_cfg[0].rate;