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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	linux-pm@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
	kernel@pengutronix.de, Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: [PATCH 3/4] cpufreq: imx6q: Fix regulator/clock error handling
Date: Thu, 22 Oct 2015 19:03:15 +0530	[thread overview]
Message-ID: <20151022133315.GE3897@ubuntu> (raw)
In-Reply-To: <1445503652-777-4-git-send-email-s.hauer@pengutronix.de>

On 22-10-15, 10:47, Sascha Hauer wrote:
> +	arm_reg = regulator_get(cpu_dev, "arm");
> +	if (IS_ERR(arm_reg))
> +		return PTR_ERR(arm_reg);
> +
> +	pu_reg = regulator_get_optional(cpu_dev, "pu");

Yes, current code doesn't care about if this failed, but if that's the
intention please add a comment for it now.

> +	soc_reg = regulator_get(cpu_dev, "soc");
> +	if (IS_ERR(soc_reg))
> +		return PTR_ERR(soc_reg);
> +
> +	return 0;
> +}
> +
> +
> +static void imx6q_cpufreq_put_resources(void)
> +{
> +	if (!IS_ERR_OR_NULL(arm_reg))
> +		regulator_put(arm_reg);
> +	arm_reg = NULL;

Can you please clarify (maybe again) why this is required to be set to
NULL again?

-- 
viresh

WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@linaro.org (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] cpufreq: imx6q: Fix regulator/clock error handling
Date: Thu, 22 Oct 2015 19:03:15 +0530	[thread overview]
Message-ID: <20151022133315.GE3897@ubuntu> (raw)
In-Reply-To: <1445503652-777-4-git-send-email-s.hauer@pengutronix.de>

On 22-10-15, 10:47, Sascha Hauer wrote:
> +	arm_reg = regulator_get(cpu_dev, "arm");
> +	if (IS_ERR(arm_reg))
> +		return PTR_ERR(arm_reg);
> +
> +	pu_reg = regulator_get_optional(cpu_dev, "pu");

Yes, current code doesn't care about if this failed, but if that's the
intention please add a comment for it now.

> +	soc_reg = regulator_get(cpu_dev, "soc");
> +	if (IS_ERR(soc_reg))
> +		return PTR_ERR(soc_reg);
> +
> +	return 0;
> +}
> +
> +
> +static void imx6q_cpufreq_put_resources(void)
> +{
> +	if (!IS_ERR_OR_NULL(arm_reg))
> +		regulator_put(arm_reg);
> +	arm_reg = NULL;

Can you please clarify (maybe again) why this is required to be set to
NULL again?

-- 
viresh

  parent reply	other threads:[~2015-10-22 13:33 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-22  8:47 cpufreq: i.MX6: -EPROBE_DEFER fixes Sascha Hauer
2015-10-22  8:47 ` Sascha Hauer
2015-10-22  8:47 ` [PATCH 1/4] cpufreq: imx6q: Fix goto wrong error label Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:11   ` Lucas Stach
2015-10-22 10:11     ` Lucas Stach
2015-10-22  8:47 ` [PATCH 2/4] cpufreq: imx6q: Fix wrong device in devm_kzalloc Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:11   ` Lucas Stach
2015-10-22 10:11     ` Lucas Stach
2015-10-22 13:29   ` Viresh Kumar
2015-10-22 13:29     ` Viresh Kumar
2015-10-22  8:47 ` [PATCH 3/4] cpufreq: imx6q: Fix regulator/clock error handling Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:18   ` Lucas Stach
2015-10-22 10:18     ` Lucas Stach
2015-10-22 13:33   ` Viresh Kumar [this message]
2015-10-22 13:33     ` Viresh Kumar
2015-10-26  7:38     ` Sascha Hauer
2015-10-26  7:38       ` Sascha Hauer
2015-10-22  8:47 ` [PATCH 4/4] cpufreq: imx6q: check regulator_get_optional return value Sascha Hauer
2015-10-22  8:47   ` Sascha Hauer
2015-10-22 10:23   ` Lucas Stach
2015-10-22 10:23     ` Lucas Stach
2015-10-26  8:17     ` Sascha Hauer
2015-10-26  8:17       ` Sascha Hauer
2015-10-28  3:27 ` cpufreq: i.MX6: -EPROBE_DEFER fixes Rafael J. Wysocki
2015-10-28  3:27   ` Rafael J. Wysocki
2015-10-28  7:59   ` Sascha Hauer
2015-10-28  7:59     ` Sascha Hauer

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