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[209.132.180.67]) by mx.google.com with ESMTP id d66si32735420pfj.173.2016.01.11.19.05.49; Mon, 11 Jan 2016 19:05:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-pm-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-pm-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dkim=neutral (body hash did not verify) header.i=@linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760256AbcALDFs (ORCPT + 11 others); Mon, 11 Jan 2016 22:05:48 -0500 Received: from mail-pf0-f172.google.com ([209.85.192.172]:36613 "EHLO mail-pf0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760144AbcALDFs (ORCPT ); Mon, 11 Jan 2016 22:05:48 -0500 Received: by mail-pf0-f172.google.com with SMTP id n128so54835147pfn.3 for ; Mon, 11 Jan 2016 19:05:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=iG6v86o0me8HoTHpSDesQj8BXQBzSq01HWzGC/VrZcs=; b=HygRUuX5okPBqVxgXQIWAYkeEVLOPza4FTDiMEedJpchvFRNHYgvEh3fvn3WPgZLQD ilJF7BrAGwq6Qv6ZKLfNMH3K6rs3EQ5aYG82H8oKSEbe4Hrjm90ZKFxI8Kwa34bfLFNd 821C98JF2kfQUEj3bvt2Apn6m6CCpIG50jMSs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-type:content-disposition:in-reply-to :user-agent; bh=iG6v86o0me8HoTHpSDesQj8BXQBzSq01HWzGC/VrZcs=; b=iUYMm34e3ttTGpep+6BKXlOBTNH9YRFr5NytpUyaixxbBjqTWlvigqopIFgMifiV/U uU72lkLqOlMK1+Pubc2VJ4lQ1yyrY13OjANbDwa9ZhBvghhN6L3SLFfUGYfnADNcfHVj x/MSBuchXe8Gs65khFE7QlAQxT2h2UT1+c8AaTUI/5xjWMk50qrpJBtWLjOdP9JEJYwL hzvc7ZSv8am5Mvsvj52T7QbcUUCd+5slFQXGuPTXV7gH1hq6jnEJQCcx+00igpOFbPOq JK563s4CBVr/WXCBMyBLs2+FFsC0T0WME3C6Sktaie28JqDsftECZ5RcqqB4Ijf8XZgo ED0A== X-Gm-Message-State: ALoCoQngWPvR442czs3LxXZPD1n8MN2aacL3CDt38aE0u27pyf+vKc2Q6UQ+ZS/8xXIrvhaQUIm8B4mPx71q1KEwpj5y1PQC0Q== X-Received: by 10.98.70.208 with SMTP id o77mr31236915pfi.123.1452567947560; Mon, 11 Jan 2016 19:05:47 -0800 (PST) Received: from localhost ([122.172.46.246]) by smtp.gmail.com with ESMTPSA id m87sm26172061pfi.47.2016.01.11.19.05.46 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 11 Jan 2016 19:05:46 -0800 (PST) Date: Tue, 12 Jan 2016 08:35:43 +0530 From: Viresh Kumar To: Stephen Boyd Cc: Rafael Wysocki , linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, nm@ti.com Subject: Re: [PATCH 01/17] PM / OPP: get/put regulators from OPP core Message-ID: <20160112030543.GG1084@ubuntu> References: <8731ff871e0eedfb08b9428af8da21b25d1ad283.1450777582.git.viresh.kumar@linaro.org> <20160111232118.GG22188@codeaurora.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20160111232118.GG22188@codeaurora.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 11-01-16, 15:21, Stephen Boyd wrote: > Is there a reason we capitalize regulator? -------------------------8<------------------------- -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index cf351d3dab1c..9e437416e155 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "opp.h" @@ -505,6 +506,7 @@ static struct device_opp *_add_device_opp(struct device *dev) { struct device_opp *dev_opp; struct device_list_opp *list_dev; + const char *name = dev_name(dev); /* Check for existing list for 'dev' first */ dev_opp = _find_device_opp(dev); @@ -527,6 +529,11 @@ static struct device_opp *_add_device_opp(struct device *dev) return NULL; } + dev_opp->regulator = regulator_get_optional(dev, name); + if (IS_ERR(dev_opp->regulator)) + dev_info(dev, "%s: no regulator (%s) found: %ld\n", __func__, + name, PTR_ERR(dev_opp->regulator)); + srcu_init_notifier_head(&dev_opp->srcu_head); INIT_LIST_HEAD(&dev_opp->opp_list); @@ -565,6 +572,8 @@ static void _remove_device_opp(struct device_opp *dev_opp) if (dev_opp->prop_name) return; + regulator_put(dev_opp->regulator); + list_dev = list_first_entry(&dev_opp->dev_list, struct device_list_opp, node); diff --git a/drivers/base/power/opp/opp.h b/drivers/base/power/opp/opp.h index 690638ef36ee..b9555f28f216 100644 --- a/drivers/base/power/opp/opp.h +++ b/drivers/base/power/opp/opp.h @@ -132,6 +132,8 @@ struct device_list_opp { * @supported_hw: Array of version number to support. * @supported_hw_count: Number of elements in supported_hw array. * @prop_name: A name to postfix to many DT properties, while parsing them. + * @regulator: Supply Regulator + * * @dentry: debugfs dentry pointer of the real device directory (not links). * @dentry_name: Name of the real dentry. * @@ -159,6 +161,7 @@ struct device_opp { unsigned int *supported_hw; unsigned int supported_hw_count; const char *prop_name; + struct regulator *regulator; #ifdef CONFIG_DEBUG_FS struct dentry *dentry;