Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751357AbdL3BSt (ORCPT ); Fri, 29 Dec 2017 20:18:49 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:46657 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751102AbdL3BNa (ORCPT ); Fri, 29 Dec 2017 20:13:30 -0500 X-Google-Smtp-Source: ACJfBovthMWs3qrp5ZDlkHLCJgy7gjsmvIJzV2w2EdNopk0pCctuK/vDn0j5Y74QHTaFhiEq9seYhA== 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, Russell King Subject: [PATCH 17/33] clk: mvebu: change dove_round_rate() return logic Date: Sat, 30 Dec 2017 01:12:56 +0000 Message-Id: <1514596392-22270-18-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: 1177 Lines: 33 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: linux-clk@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Russell King --- drivers/clk/mvebu/dove-divider.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c index 234ba0a..7704b5e 100644 --- a/drivers/clk/mvebu/dove-divider.c +++ b/drivers/clk/mvebu/dove-divider.c @@ -117,7 +117,7 @@ static unsigned long dove_round_rate(struct clk_hw *hw, unsigned long rate, divider = dove_calc_divider(dc, rate, parent_rate, false); if (divider < 0) - return divider; + return 0; rate = DIV_ROUND_CLOSEST(parent_rate, divider); -- 2.7.4