Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752196AbbFYWf7 (ORCPT ); Thu, 25 Jun 2015 18:35:59 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:39227 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751541AbbFYWfv (ORCPT ); Thu, 25 Jun 2015 18:35:51 -0400 From: Hai Li To: linux-kernel@vger.kernel.org, sboyd@codeaurora.org Cc: mturquette@linaro.org, georgi.djakov@linaro.org, tomeu.vizoso@collabora.com, architt@codeaurora.org, Hai Li Subject: [PATCH] clk: qcom: Use parent rate when set rate to pixel RCG clock Date: Thu, 25 Jun 2015 18:35:33 -0400 Message-Id: <1435271733-24455-1-git-send-email-hali@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1218 Lines: 35 Since the parent rate has been recalculated, pixel RCG clock should rely on it to find the correct M/N values during set_rate, instead of calling __clk_round_rate() to its parent again. Signed-off-by: Hai Li --- drivers/clk/qcom/clk-rcg2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c index 4d3e2f7..b344899 100644 --- a/drivers/clk/qcom/clk-rcg2.c +++ b/drivers/clk/qcom/clk-rcg2.c @@ -615,10 +615,11 @@ static int clk_pixel_set_rate(struct clk_hw *hw, unsigned long rate, if (!parent) return -EINVAL; + src_rate = parent_rate; + for (; frac->num; frac++) { request = (rate * frac->den) / frac->num; - src_rate = __clk_round_rate(parent, request); if ((src_rate < (request - delta)) || (src_rate > (request + delta))) continue; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/