From patchwork Wed Mar 25 00:07:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Asutosh Das (asd)" X-Patchwork-Id: 11456763 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 75EAD1731 for ; Wed, 25 Mar 2020 00:07:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6220020771 for ; Wed, 25 Mar 2020 00:07:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727234AbgCYAHU (ORCPT ); Tue, 24 Mar 2020 20:07:20 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:11975 "EHLO alexa-out-sd-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726968AbgCYAHU (ORCPT ); Tue, 24 Mar 2020 20:07:20 -0400 Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 24 Mar 2020 17:07:19 -0700 Received: from asutoshd-linux1.qualcomm.com ([10.46.160.39]) by ironmsg04-sd.qualcomm.com with ESMTP; 24 Mar 2020 17:07:18 -0700 Received: by asutoshd-linux1.qualcomm.com (Postfix, from userid 92687) id 89E5D1F79D; Tue, 24 Mar 2020 17:07:18 -0700 (PDT) From: Asutosh Das To: cang@codeaurora.org, martin.petersen@oracle.com, linux-scsi@vger.kernel.org Cc: Asutosh Das , linux-arm-msm@vger.kernel.org, Alim Akhtar , Avri Altman , "James E.J. Bottomley" , Stanley Chu , Bean Huo , Bart Van Assche , Venkat Gopalakrishnan , Tomas Winkler , Bjorn Andersson , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1 2/3] scsi: ufshcd: Let vendor override devfreq parameters Date: Tue, 24 Mar 2020 17:07:04 -0700 Message-Id: <59a83a2dba7d7f2be4bd4af56267fee8d1c5bb7c.1585094538.git.asutoshd@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Vendor drivers may have a need to update the polling interval and thresholds. Provide a vops for vendor drivers to use. Signed-off-by: Asutosh Das --- drivers/scsi/ufs/ufshcd.c | 11 ++++++++++- drivers/scsi/ufs/ufshcd.h | 12 ++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 4607bc6..7643ef5 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1300,6 +1300,13 @@ static struct devfreq_dev_profile ufs_devfreq_profile = { .get_dev_status = ufshcd_devfreq_get_dev_status, }; +#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) +static struct devfreq_simple_ondemand_data ufs_ondemand_data; +static void *gov_data = &ufs_ondemand_data; +#else +static void *gov_data = NULL; +#endif + static int ufshcd_devfreq_init(struct ufs_hba *hba) { struct list_head *clk_list = &hba->clk_list_head; @@ -1315,10 +1322,12 @@ static int ufshcd_devfreq_init(struct ufs_hba *hba) dev_pm_opp_add(hba->dev, clki->min_freq, 0); dev_pm_opp_add(hba->dev, clki->max_freq, 0); + ufshcd_vops_config_scaling_param(hba, &ufs_devfreq_profile, + gov_data); devfreq = devfreq_add_device(hba->dev, &ufs_devfreq_profile, DEVFREQ_GOV_SIMPLE_ONDEMAND, - NULL); + gov_data); if (IS_ERR(devfreq)) { ret = PTR_ERR(devfreq); dev_err(hba->dev, "Unable to register with devfreq %d\n", ret); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index d45a044..e8e8ee2 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -56,6 +56,7 @@ #include #include #include +#include #include "unipro.h" #include @@ -327,6 +328,9 @@ struct ufs_hba_variant_ops { void (*dbg_register_dump)(struct ufs_hba *hba); int (*phy_initialization)(struct ufs_hba *); void (*device_reset)(struct ufs_hba *hba); + void (*config_scaling_param)(struct ufs_hba *hba, + struct devfreq_dev_profile *profile, + void *data); }; /* clock gating state */ @@ -1083,6 +1087,14 @@ static inline void ufshcd_vops_device_reset(struct ufs_hba *hba) } } +static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba, + struct devfreq_dev_profile + *profile, void *data) +{ + if (hba->vops && hba->vops->config_scaling_param) + hba->vops->config_scaling_param(hba, profile, data); +} + extern struct ufs_pm_lvl_states ufs_pm_lvl_states[]; /*