Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751315AbdL3BQg (ORCPT ); Fri, 29 Dec 2017 20:16:36 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:37844 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751198AbdL3BNg (ORCPT ); Fri, 29 Dec 2017 20:13:36 -0500 X-Google-Smtp-Source: ACJfBoutqoa1jaTXUKLzNEeYCVwzMs9UunCtNLwG7jiqop37eZHucYkpBb9lK08E0WJvsQIro6e7ig== 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 24/33] clk: tegra: bpmp: change tegra_bpmp_clk_round_rate() return logic Date: Sat, 30 Dec 2017 01:13:03 +0000 Message-Id: <1514596392-22270-25-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: 1269 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-bpmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/tegra/clk-bpmp.c b/drivers/clk/tegra/clk-bpmp.c index 0c1197b..4297bb2 100644 --- a/drivers/clk/tegra/clk-bpmp.c +++ b/drivers/clk/tegra/clk-bpmp.c @@ -190,7 +190,7 @@ static unsigned long tegra_bpmp_clk_round_rate(struct clk_hw *hw, err = tegra_bpmp_clk_transfer(clk->bpmp, &msg); if (err < 0) - return err; + return 0; return response.rate; } -- 2.7.4