Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751528AbdL3BTe (ORCPT ); Fri, 29 Dec 2017 20:19:34 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:44163 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953AbdL3BNS (ORCPT ); Fri, 29 Dec 2017 20:13:18 -0500 X-Google-Smtp-Source: ACJfBotDE2wu2pCnSX7nZdnoxHFk8PCR/Tl+VsQNMLSA5xjIkE3YXvCQMcD/idKXUCaGWq84CgwaQg== 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, Tony Lindgren , Russell King , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 04/33] clk: omap2: change omap2_round_to_table_rate return logic Date: Sat, 30 Dec 2017 01:12:43 +0000 Message-Id: <1514596392-22270-5-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: 1431 Lines: 39 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: Tony Lindgren Cc: Russell King Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c index e024600..ce3a33f 100644 --- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c +++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c @@ -75,9 +75,9 @@ unsigned long omap2_round_to_table_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { const struct prcm_config *ptr; - long highest_rate; + unsigned long highest_rate; - highest_rate = -EINVAL; + highest_rate = 0; for (ptr = rate_table; ptr->mpu_speed; ptr++) { if (!(ptr->flags & cpu_mask)) -- 2.7.4