Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751414AbdL3BTG (ORCPT ); Fri, 29 Dec 2017 20:19:06 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:40848 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751013AbdL3BNY (ORCPT ); Fri, 29 Dec 2017 20:13:24 -0500 X-Google-Smtp-Source: ACJfBosrx2zOtOYIJrcth3Z8jOGZmwuonuiF8iLElR+c7FmkjC2nO4nyfzePYSdSMAAI9sxYCfV+QQ== 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, Ray Jui , Scott Branden , Jon Mason , bcm-kernel-feedback-list@broadcom.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 10/33] clk: bcm: iproc: change iproc_asiu_clk_round_rate() return logic Date: Sat, 30 Dec 2017 01:12:49 +0000 Message-Id: <1514596392-22270-11-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: 1293 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: Michael Turquette Cc: Stephen Boyd Cc: Ray Jui Cc: Scott Branden Cc: Jon Mason Cc: bcm-kernel-feedback-list@broadcom.com Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/clk/bcm/clk-iproc-asiu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/bcm/clk-iproc-asiu.c b/drivers/clk/bcm/clk-iproc-asiu.c index ae40d08..f89872e 100644 --- a/drivers/clk/bcm/clk-iproc-asiu.c +++ b/drivers/clk/bcm/clk-iproc-asiu.c @@ -115,7 +115,7 @@ static unsigned long iproc_asiu_clk_round_rate(struct clk_hw *hw, unsigned int div; if (rate == 0 || *parent_rate == 0) - return -EINVAL; + return 0; if (rate == *parent_rate) return *parent_rate; -- 2.7.4