Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751436AbdL3BQh (ORCPT ); Fri, 29 Dec 2017 20:16:37 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:39321 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbdL3BNg (ORCPT ); Fri, 29 Dec 2017 20:13:36 -0500 X-Google-Smtp-Source: ACJfBouwCHAWgd107QgF0NJLsEfL5PouyGBTCxPXolXl6R5lk8R2iLBes01qHi03/q8N03+majL9Ow== 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, Peter De Schrijver , Prashant Gaikwad , Thierry Reding , Jonathan Hunter , linux-tegra@vger.kernel.org Subject: [PATCH 23/33] clk: tegra: change clk_sync_source_round_rate() return logic Date: Sat, 30 Dec 2017 01:13:02 +0000 Message-Id: <1514596392-22270-24-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: 1326 Lines: 37 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: Peter De Schrijver Cc: Prashant Gaikwad Cc: Michael Turquette Cc: Stephen Boyd Cc: Thierry Reding Cc: Jonathan Hunter Cc: linux-clk@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/tegra/clk-audio-sync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-audio-sync.c b/drivers/clk/tegra/clk-audio-sync.c index 9784d58..5fd825b 100644 --- a/drivers/clk/tegra/clk-audio-sync.c +++ b/drivers/clk/tegra/clk-audio-sync.c @@ -35,7 +35,7 @@ static unsigned long clk_sync_source_round_rate(struct clk_hw *hw, struct tegra_clk_sync_source *sync = to_clk_sync_source(hw); if (rate > sync->max_rate) - return -EINVAL; + return 0; else return rate; } -- 2.7.4