Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753680AbeAATjL (ORCPT + 1 other); Mon, 1 Jan 2018 14:39:11 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:37523 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753045AbeAATfG (ORCPT ); Mon, 1 Jan 2018 14:35:06 -0500 X-Google-Smtp-Source: ACJfBou3kcNL2VhQF+kBnU3XbQ/4PTrvZtS4Ty9wBHfe9YuEjOdd15c8JqHjsr7sUavPlrGQIXxhhw== 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 , Russell King Subject: [PATCH v2 18/34] clk: mvebu: change dove_round_rate() return logic Date: Mon, 1 Jan 2018 19:34:44 +0000 Message-Id: <1514835300-381-4-git-send-email-pure.logic@nexus-software.ie> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1514835300-381-1-git-send-email-pure.logic@nexus-software.ie> References: <1514835300-381-1-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 Return-Path: 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: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Russell King --- drivers/clk/mvebu/dove-divider.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c index 234ba0a..7704b5e 100644 --- a/drivers/clk/mvebu/dove-divider.c +++ b/drivers/clk/mvebu/dove-divider.c @@ -117,7 +117,7 @@ static unsigned long dove_round_rate(struct clk_hw *hw, unsigned long rate, divider = dove_calc_divider(dc, rate, parent_rate, false); if (divider < 0) - return divider; + return 0; rate = DIV_ROUND_CLOSEST(parent_rate, divider); -- 2.7.4