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[209.132.180.67]) by mx.google.com with ESMTP id l8si42358172pfi.252.2016.10.04.04.57.45; Tue, 04 Oct 2016 04:57:45 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753844AbcJDL5R (ORCPT + 27 others); Tue, 4 Oct 2016 07:57:17 -0400 Received: from mail-pf0-f173.google.com ([209.85.192.173]:33151 "EHLO mail-pf0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753626AbcJDL5N (ORCPT ); Tue, 4 Oct 2016 07:57:13 -0400 Received: by mail-pf0-f173.google.com with SMTP id 190so28328311pfv.0 for ; Tue, 04 Oct 2016 04:57:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=zDfaUloNOKVd6koqYJqH9HyIV3YtXESInFSNmw8Vzjg=; b=YM1bkP6DWZGdgYu7pew9N8inquqfsjFp0xQCpCEBsaJVqYCIW6VKB3fFwydrJ5Y8hy s8EquJmS3nbxZJr0y7xo13DVRoUnDwkgrcYrEi+Y3+Fq5Us+GKsKDJTOQ4PQhIXjFeSN b2Ojl0dqcZI0KUpGbR8jglmRptk79NoqfgiGc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=zDfaUloNOKVd6koqYJqH9HyIV3YtXESInFSNmw8Vzjg=; b=m+0eBm7Zx7ULu5O8kA35yyokkshigzQorjKLPk4xFgYYjIIBAp3Up2c1xzjPB3pLNS 5+5lHQPgV9d0grAU7AlhNoaRFL03IQ+bdvR8WOmcpR9rydOv0WOR7LYwZOcamiEtP00b V1RQ6dPW0J8cACyCih2jH6kpPNYgLpPe7bIbT6wLDUAFu55OhAbY5ANVWjrA173qCBv6 RsYxtfvLp+03ZXFm7QOwHFg+9aZfvq/jaTVneSPXRk7dPE3ODZaDJT6HdzDH5LNdSKiu jYozuPKQ69qNWFohnv8VPPrWRWajFzrBEgyyc8peZUbmhUUmnJLXa4G+nCcMFkyLaheu uUiA== X-Gm-Message-State: AA6/9RlKE0ekggBBs07+/Ob+DCzBYZwJ8nPs+aye7hfqH7Mc89UpHVNqHTt5yOcQ1ZLfyUIr X-Received: by 10.98.52.4 with SMTP id b4mr5284133pfa.53.1475582232657; Tue, 04 Oct 2016 04:57:12 -0700 (PDT) Received: from localhost ([122.171.115.29]) by smtp.gmail.com with ESMTPSA id j1sm54730625pfg.95.2016.10.04.04.57.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Oct 2016 04:57:11 -0700 (PDT) From: Viresh Kumar To: Rafael Wysocki , nm@ti.com, sboyd@codeaurora.org, Viresh Kumar Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Vincent Guittot , robh@kernel.org, d-gerlach@ti.com, broonie@kernel.org, Viresh Kumar Subject: [PATCH 3/8] PM / OPP: Manage supply's voltage/current in a separate structure Date: Tue, 4 Oct 2016 17:26:45 +0530 Message-Id: X-Mailer: git-send-email 2.7.1.410.g6faf27b In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a preparatory step for multiple regulator per device support. Move the voltage/current variables to a new structure. Signed-off-by: Viresh Kumar --- drivers/base/power/opp/core.c | 44 +++++++++++++++++++++------------------- drivers/base/power/opp/debugfs.c | 8 ++++---- drivers/base/power/opp/of.c | 18 ++++++++-------- drivers/base/power/opp/opp.h | 27 ++++++++++++++++-------- 4 files changed, 55 insertions(+), 42 deletions(-) -- 2.7.1.410.g6faf27b diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 056527a3fb4e..8d6006151c9a 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -112,7 +112,7 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) if (IS_ERR_OR_NULL(tmp_opp)) pr_err("%s: Invalid parameters\n", __func__); else - v = tmp_opp->u_volt; + v = tmp_opp->supply.u_volt; return v; } @@ -246,10 +246,10 @@ unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev) if (!opp->available) continue; - if (opp->u_volt_min < min_uV) - min_uV = opp->u_volt_min; - if (opp->u_volt_max > max_uV) - max_uV = opp->u_volt_max; + if (opp->supply.u_volt_min < min_uV) + min_uV = opp->supply.u_volt_min; + if (opp->supply.u_volt_max > max_uV) + max_uV = opp->supply.u_volt_max; } rcu_read_unlock(); @@ -637,14 +637,14 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) if (IS_ERR(old_opp)) { old_u_volt = 0; } else { - old_u_volt = old_opp->u_volt; - old_u_volt_min = old_opp->u_volt_min; - old_u_volt_max = old_opp->u_volt_max; + old_u_volt = old_opp->supply.u_volt; + old_u_volt_min = old_opp->supply.u_volt_min; + old_u_volt_max = old_opp->supply.u_volt_max; } - u_volt = opp->u_volt; - u_volt_min = opp->u_volt_min; - u_volt_max = opp->u_volt_max; + u_volt = opp->supply.u_volt; + u_volt_min = opp->supply.u_volt_min; + u_volt_max = opp->supply.u_volt_max; reg = opp_table->regulator; @@ -957,10 +957,11 @@ static bool _opp_supported_by_regulators(struct dev_pm_opp *opp, struct regulator *reg = opp_table->regulator; if (!IS_ERR(reg) && - !regulator_is_supported_voltage(reg, opp->u_volt_min, - opp->u_volt_max)) { + !regulator_is_supported_voltage(reg, opp->supply.u_volt_min, + opp->supply.u_volt_max)) { pr_warn("%s: OPP minuV: %lu maxuV: %lu, not supported by regulator\n", - __func__, opp->u_volt_min, opp->u_volt_max); + __func__, opp->supply.u_volt_min, + opp->supply.u_volt_max); return false; } @@ -993,11 +994,12 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, /* Duplicate OPPs */ dev_warn(dev, "%s: duplicate OPPs detected. Existing: freq: %lu, volt: %lu, enabled: %d. New: freq: %lu, volt: %lu, enabled: %d\n", - __func__, opp->rate, opp->u_volt, opp->available, - new_opp->rate, new_opp->u_volt, new_opp->available); + __func__, opp->rate, opp->supply.u_volt, + opp->available, new_opp->rate, new_opp->supply.u_volt, + new_opp->available); - return opp->available && new_opp->u_volt == opp->u_volt ? - 0 : -EEXIST; + return opp->available && + new_opp->supply.u_volt == opp->supply.u_volt ? 0 : -EEXIST; } new_opp->opp_table = opp_table; @@ -1064,9 +1066,9 @@ int _opp_add_v1(struct device *dev, unsigned long freq, long u_volt, /* populate the opp table */ new_opp->rate = freq; tol = u_volt * opp_table->voltage_tolerance_v1 / 100; - new_opp->u_volt = u_volt; - new_opp->u_volt_min = u_volt - tol; - new_opp->u_volt_max = u_volt + tol; + new_opp->supply.u_volt = u_volt; + new_opp->supply.u_volt_min = u_volt - tol; + new_opp->supply.u_volt_max = u_volt + tol; new_opp->available = true; new_opp->dynamic = dynamic; diff --git a/drivers/base/power/opp/debugfs.c b/drivers/base/power/opp/debugfs.c index ef1ae6b52042..c897676ca35f 100644 --- a/drivers/base/power/opp/debugfs.c +++ b/drivers/base/power/opp/debugfs.c @@ -63,16 +63,16 @@ int opp_debug_create_one(struct dev_pm_opp *opp, struct opp_table *opp_table) if (!debugfs_create_ulong("rate_hz", S_IRUGO, d, &opp->rate)) return -ENOMEM; - if (!debugfs_create_ulong("u_volt_target", S_IRUGO, d, &opp->u_volt)) + if (!debugfs_create_ulong("u_volt_target", S_IRUGO, d, &opp->supply.u_volt)) return -ENOMEM; - if (!debugfs_create_ulong("u_volt_min", S_IRUGO, d, &opp->u_volt_min)) + if (!debugfs_create_ulong("u_volt_min", S_IRUGO, d, &opp->supply.u_volt_min)) return -ENOMEM; - if (!debugfs_create_ulong("u_volt_max", S_IRUGO, d, &opp->u_volt_max)) + if (!debugfs_create_ulong("u_volt_max", S_IRUGO, d, &opp->supply.u_volt_max)) return -ENOMEM; - if (!debugfs_create_ulong("u_amp", S_IRUGO, d, &opp->u_amp)) + if (!debugfs_create_ulong("u_amp", S_IRUGO, d, &opp->supply.u_amp)) return -ENOMEM; if (!debugfs_create_ulong("clock_latency_ns", S_IRUGO, d, diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c index 5552211e6fcd..b7fcd0a1b58b 100644 --- a/drivers/base/power/opp/of.c +++ b/drivers/base/power/opp/of.c @@ -148,14 +148,14 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev, return -EINVAL; } - opp->u_volt = microvolt[0]; + opp->supply.u_volt = microvolt[0]; if (count == 1) { - opp->u_volt_min = opp->u_volt; - opp->u_volt_max = opp->u_volt; + opp->supply.u_volt_min = opp->supply.u_volt; + opp->supply.u_volt_max = opp->supply.u_volt; } else { - opp->u_volt_min = microvolt[1]; - opp->u_volt_max = microvolt[2]; + opp->supply.u_volt_min = microvolt[1]; + opp->supply.u_volt_max = microvolt[2]; } /* Search for "opp-microamp-" */ @@ -173,7 +173,7 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev, } if (prop && !of_property_read_u32(opp->np, name, &val)) - opp->u_amp = val; + opp->supply.u_amp = val; return 0; } @@ -303,9 +303,9 @@ static int _opp_add_static_v2(struct device *dev, struct device_node *np) mutex_unlock(&opp_table_lock); pr_debug("%s: turbo:%d rate:%lu uv:%lu uvmin:%lu uvmax:%lu latency:%lu\n", - __func__, new_opp->turbo, new_opp->rate, new_opp->u_volt, - new_opp->u_volt_min, new_opp->u_volt_max, - new_opp->clock_latency_ns); + __func__, new_opp->turbo, new_opp->rate, + new_opp->supply.u_volt, new_opp->supply.u_volt_min, + new_opp->supply.u_volt_max, new_opp->clock_latency_ns); /* * Notify the changes in the availability of the operable diff --git a/drivers/base/power/opp/opp.h b/drivers/base/power/opp/opp.h index fabd5ca1a083..1bda0d35c486 100644 --- a/drivers/base/power/opp/opp.h +++ b/drivers/base/power/opp/opp.h @@ -47,6 +47,22 @@ extern struct list_head opp_tables; */ /** + * struct dev_pm_opp_supply - Power supply voltage/current values + * @u_volt: Target voltage in microvolts corresponding to this OPP + * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP + * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP + * @u_amp: Maximum current drawn by the device in microamperes + * + * This structure stores the voltage/current values for a single power supply. + */ +struct dev_pm_opp_supply { + unsigned long u_volt; + unsigned long u_volt_min; + unsigned long u_volt_max; + unsigned long u_amp; +}; + +/** * struct dev_pm_opp - Generic OPP description structure * @node: opp table node. The nodes are maintained throughout the lifetime * of boot. It is expected only an optimal set of OPPs are @@ -61,10 +77,7 @@ extern struct list_head opp_tables; * @turbo: true if turbo (boost) OPP * @suspend: true if suspend OPP * @rate: Frequency in hertz - * @u_volt: Target voltage in microvolts corresponding to this OPP - * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP - * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP - * @u_amp: Maximum current drawn by the device in microamperes + * @supply: Power supply voltage/current values * @clock_latency_ns: Latency (in nanoseconds) of switching to this OPP's * frequency from any other OPP's frequency. * @opp_table: points back to the opp_table struct this opp belongs to @@ -83,10 +96,8 @@ struct dev_pm_opp { bool suspend; unsigned long rate; - unsigned long u_volt; - unsigned long u_volt_min; - unsigned long u_volt_max; - unsigned long u_amp; + struct dev_pm_opp_supply supply; + unsigned long clock_latency_ns; struct opp_table *opp_table;