Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751356AbdL3BRh (ORCPT ); Fri, 29 Dec 2017 20:17:37 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:43765 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751074AbdL3BNe (ORCPT ); Fri, 29 Dec 2017 20:13:34 -0500 X-Google-Smtp-Source: ACJfBou2YukTnliUwjcIspe4GNbWCD8IwDKNAF3YrAkbhW5Lk8N9ZvqsXSVWk9lKx+NOISYUoWh5+w== From: "Bryan O'Donoghue" To: mturquette@baylibre.com, sboyd@codeaurora.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Cc: pure.logic@nexus-software.ie, Andy Gross , David Brown , Abhishek Sahu , Varadarajan Narayanan , linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org Subject: [PATCH 21/33] clk: qcom: ipq4019: change clk_cpu_div_round_rate() return logic Date: Sat, 30 Dec 2017 01:13:00 +0000 Message-Id: <1514596392-22270-22-git-send-email-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514596392-22270-1-git-send-email-pure.logic@nexus-software.ie> References: <1514596392-22270-1-git-send-email-pure.logic@nexus-software.ie> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1350 Lines: 38 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: Andy Gross Cc: David Brown Cc: Abhishek Sahu Cc: Varadarajan Narayanan Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-arm-msm@vger.kernel.org Cc: linux-soc@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/qcom/gcc-ipq4019.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c index 804231b..943acbc 100644 --- a/drivers/clk/qcom/gcc-ipq4019.c +++ b/drivers/clk/qcom/gcc-ipq4019.c @@ -1268,7 +1268,7 @@ static unsigned long clk_cpu_div_round_rate(struct clk_hw *hw, f = qcom_find_freq(pll->freq_tbl, rate); if (!f) - return -EINVAL; + return 0; p_hw = clk_hw_get_parent_by_index(hw, f->src); *p_rate = clk_hw_get_rate(p_hw); -- 2.7.4