From patchwork Mon Jul 31 16:33:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Manivannan Sadhasivam X-Patchwork-Id: 708665 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34147C00528 for ; Mon, 31 Jul 2023 16:35:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233087AbjGaQfG (ORCPT ); Mon, 31 Jul 2023 12:35:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229519AbjGaQfB (ORCPT ); Mon, 31 Jul 2023 12:35:01 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBF77198B for ; Mon, 31 Jul 2023 09:34:57 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1bb7b8390e8so28465035ad.2 for ; Mon, 31 Jul 2023 09:34:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1690821297; x=1691426097; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wq5hmtX8ZeCMMm6dbjvDpGuRjsszILDfZnpFa+4jjvg=; b=DmcMMsuMKXVwoIN53aQmcgBWXZ3Ir4uk0JPEQWwiAfeLg6MkjnhYptoSZ17VvYRMw9 XAtqf3t9hCgkVpmoEjaNTvXacsWjwh59Dfs6C9jbST9VtYk6O4hgcBzmRZLDMCZSdPri SHhNfWlWuJWMa6lnl8n7dErfKkT5Q180YoM3kupE99PCrSJtcL3sYh4PORY7nTCWOsEA ZDQESmgyOHFF5VF3KcPbQo7cnahaBE9s0pPxVkj5jAfo3liSDj9AgY0m7v1YGCWhvyU5 qTmSvNIlSwLxwubSARoXBtlHKRHzAjpHkO2naLxMPvH2Rby6uHgWPMtoBCrI3Tfqix7x wcrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690821297; x=1691426097; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wq5hmtX8ZeCMMm6dbjvDpGuRjsszILDfZnpFa+4jjvg=; b=iNd7E9KwqqVeVWLytiEfk0YGZTUlPvaUD7YoTiccXvVmctwDQCrvupUpyhH3Yx50wY XWyPghs+Y4jhbeQR6AvCj3gC8QPAa26HeFB7yLHF67ao+XqVh78AkrTJQumIMTuypL0B qTIMHKiX/7R2GkzIda95u1cVilnFE8QOpirsCLcKJQSXJTWZpw9ExT2dz5KomOhBbadE JtEZobKUORrSb9kN/Atx7B8KxgTsRxERvGf2+11Tzh5WqHfbMU9H0RJBKFVm2FbUZOoV Yw6qV83adqubCpknpdU94R3uphLG6HyZ4y6LmxQ9+YwOBHcQgJxh2WHSOz8jeIuy6peV JV3g== X-Gm-Message-State: ABy/qLalGBQrWE84Es+qjlo+nV3xmTqiMmCbQnBSZSmXTSgUXzxlHrX8 jFILLcH86smDriWnu1OPSnkR X-Google-Smtp-Source: APBJJlHUXoiZQg0YOeQJphp4nPR2nI3HqtCggRL4ekhBqvOGQeezGteiuK5jIFeygfbii/Y2hCQFdQ== X-Received: by 2002:a17:902:6b87:b0:1bb:a55d:c6d7 with SMTP id p7-20020a1709026b8700b001bba55dc6d7mr8921646plk.66.1690821297396; Mon, 31 Jul 2023 09:34:57 -0700 (PDT) Received: from localhost.localdomain ([117.193.209.129]) by smtp.gmail.com with ESMTPSA id w8-20020a170902e88800b001bb1f09189bsm8779541plg.221.2023.07.31.09.34.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Jul 2023 09:34:56 -0700 (PDT) From: Manivannan Sadhasivam To: vireshk@kernel.org, nm@ti.com, sboyd@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, andersson@kernel.org, konrad.dybcio@linaro.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com Cc: alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, linux-scsi@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, quic_asutoshd@quicinc.com, quic_cang@quicinc.com, quic_nitirawa@quicinc.com, quic_narepall@quicinc.com, quic_bhaskarv@quicinc.com, quic_richardp@quicinc.com, quic_nguyenb@quicinc.com, quic_ziqichen@quicinc.com, bmasney@redhat.com, krzysztof.kozlowski@linaro.org, linux-kernel@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v3 2/6] PM / devfreq: Switch to dev_pm_opp_find_freq_{ceil/floor}_indexed() APIs Date: Mon, 31 Jul 2023 22:03:53 +0530 Message-Id: <20230731163357.49045-3-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230731163357.49045-1-manivannan.sadhasivam@linaro.org> References: <20230731163357.49045-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Some devfreq consumers like UFS driver need to work with multiple clocks through the OPP framework. For this reason, OPP framework exposes the _indexed() APIs for finding the floor/ceil of the supplied frequency of the indexed clock. So let's use them in the devfreq driver. Currently, the clock index of 0 is used which works fine for multiple as well as single clock. Acked-by: Chanwoo Choi Signed-off-by: Manivannan Sadhasivam --- drivers/devfreq/devfreq.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index db50c93c0ac3..e2939c1b7d1f 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -88,7 +88,7 @@ static unsigned long find_available_min_freq(struct devfreq *devfreq) struct dev_pm_opp *opp; unsigned long min_freq = 0; - opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &min_freq); + opp = dev_pm_opp_find_freq_ceil_indexed(devfreq->dev.parent, &min_freq, 0); if (IS_ERR(opp)) min_freq = 0; else @@ -102,7 +102,7 @@ static unsigned long find_available_max_freq(struct devfreq *devfreq) struct dev_pm_opp *opp; unsigned long max_freq = ULONG_MAX; - opp = dev_pm_opp_find_freq_floor(devfreq->dev.parent, &max_freq); + opp = dev_pm_opp_find_freq_floor_indexed(devfreq->dev.parent, &max_freq, 0); if (IS_ERR(opp)) max_freq = 0; else @@ -196,7 +196,7 @@ static int set_freq_table(struct devfreq *devfreq) return -ENOMEM; for (i = 0, freq = 0; i < devfreq->max_state; i++, freq++) { - opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &freq); + opp = dev_pm_opp_find_freq_ceil_indexed(devfreq->dev.parent, &freq, 0); if (IS_ERR(opp)) { devm_kfree(devfreq->dev.parent, devfreq->freq_table); return PTR_ERR(opp); @@ -2035,18 +2035,18 @@ struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, if (flags & DEVFREQ_FLAG_LEAST_UPPER_BOUND) { /* The freq is an upper bound. opp should be lower */ - opp = dev_pm_opp_find_freq_floor(dev, freq); + opp = dev_pm_opp_find_freq_floor_indexed(dev, freq, 0); /* If not available, use the closest opp */ if (opp == ERR_PTR(-ERANGE)) - opp = dev_pm_opp_find_freq_ceil(dev, freq); + opp = dev_pm_opp_find_freq_ceil_indexed(dev, freq, 0); } else { /* The freq is an lower bound. opp should be higher */ - opp = dev_pm_opp_find_freq_ceil(dev, freq); + opp = dev_pm_opp_find_freq_ceil_indexed(dev, freq, 0); /* If not available, use the closest opp */ if (opp == ERR_PTR(-ERANGE)) - opp = dev_pm_opp_find_freq_floor(dev, freq); + opp = dev_pm_opp_find_freq_floor_indexed(dev, freq, 0); } return opp;