Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753193AbeAATfT (ORCPT + 1 other); Mon, 1 Jan 2018 14:35:19 -0500 Received: from mail-wm0-f66.google.com ([74.125.82.66]:34333 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753142AbeAATfN (ORCPT ); Mon, 1 Jan 2018 14:35:13 -0500 X-Google-Smtp-Source: ACJfBosp5u07GBtQUN220NtvsJC1I5M/qYJ6XU3+Q3bfIfLi7fJfaWQrlG/aFtmzsvZkOoozUqbqHQ== 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 , Peter De Schrijver , Prashant Gaikwad , Thierry Reding , Jonathan Hunter , linux-tegra@vger.kernel.org Subject: [PATCH v2 25/34] clk: tegra: bpmp: change tegra_bpmp_clk_round_rate() return logic Date: Mon, 1 Jan 2018 19:34:51 +0000 Message-Id: <1514835300-381-11-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: 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