From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: Javier Martinez Canillas <javier@osg.samsung.com>,
linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org,
Kukjin Kim <kgene@kernel.org>,
linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
Lukasz Majewski <l.majewski@samsung.com>,
Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>
Subject: Re: [PATCH 2/3] thermal: exynos: Use devm_regulator_get_optional() for vtmu
Date: Fri, 19 Feb 2016 09:33:03 +0900 [thread overview]
Message-ID: <56C662BF.5080903@samsung.com> (raw)
In-Reply-To: <1455819551-4666-3-git-send-email-javier@osg.samsung.com>
On 19.02.2016 03:19, Javier Martinez Canillas wrote:
> The Exynos TMU DT binding says that the vtmu-supply is optional but the
> driver uses devm_regulator_get() that creates a dummy regulator if it's
> not defined in the DT. For example the following message is in the log:
>
> 10060000.tmu supply vtmu not found, using dummy regulator
>
> Use the optional version of regulator_get() that doesn't create a dummy
> regulator and instead returns a -ENODEV errno code. Since it's expected
> that a regulator may not be defined and the driver will inform about it:
>
> exynos-tmu 10060000.tmu: Regulator node (vtmu) not found
>
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
> ---
>
> drivers/thermal/samsung/exynos_tmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Best regards,
Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: k.kozlowski@samsung.com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] thermal: exynos: Use devm_regulator_get_optional() for vtmu
Date: Fri, 19 Feb 2016 09:33:03 +0900 [thread overview]
Message-ID: <56C662BF.5080903@samsung.com> (raw)
In-Reply-To: <1455819551-4666-3-git-send-email-javier@osg.samsung.com>
On 19.02.2016 03:19, Javier Martinez Canillas wrote:
> The Exynos TMU DT binding says that the vtmu-supply is optional but the
> driver uses devm_regulator_get() that creates a dummy regulator if it's
> not defined in the DT. For example the following message is in the log:
>
> 10060000.tmu supply vtmu not found, using dummy regulator
>
> Use the optional version of regulator_get() that doesn't create a dummy
> regulator and instead returns a -ENODEV errno code. Since it's expected
> that a regulator may not be defined and the driver will inform about it:
>
> exynos-tmu 10060000.tmu: Regulator node (vtmu) not found
>
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
> ---
>
> drivers/thermal/samsung/exynos_tmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2016-02-19 0:33 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 18:19 [PATCH 0/3] thermal: exynos: Fixes for vtmu-supply regulator handling Javier Martinez Canillas
2016-02-18 18:19 ` Javier Martinez Canillas
2016-02-18 18:19 ` [PATCH 1/3] thermal: exynos: List vtmu-supply as optional property in DT binding Javier Martinez Canillas
2016-02-18 18:19 ` Javier Martinez Canillas
2016-02-19 0:26 ` Krzysztof Kozlowski
2016-02-19 0:26 ` Krzysztof Kozlowski
2016-02-23 20:26 ` Rob Herring
2016-02-23 20:26 ` Rob Herring
2016-03-08 21:07 ` Eduardo Valentin
2016-03-08 21:07 ` Eduardo Valentin
2016-03-08 21:30 ` Javier Martinez Canillas
2016-03-08 21:30 ` Javier Martinez Canillas
2016-03-08 21:51 ` Eduardo Valentin
2016-03-08 21:51 ` Eduardo Valentin
2016-02-18 18:19 ` [PATCH 2/3] thermal: exynos: Use devm_regulator_get_optional() for vtmu Javier Martinez Canillas
2016-02-18 18:19 ` Javier Martinez Canillas
2016-02-19 0:33 ` Krzysztof Kozlowski [this message]
2016-02-19 0:33 ` Krzysztof Kozlowski
2016-02-18 18:19 ` [PATCH 3/3] thermal: exynos: Defer probe if vtmu is present but not registered Javier Martinez Canillas
2016-02-18 18:19 ` Javier Martinez Canillas
2016-02-19 0:37 ` Krzysztof Kozlowski
2016-02-19 0:37 ` Krzysztof Kozlowski
2016-02-19 4:20 ` Andi Shyti
2016-02-19 4:20 ` Andi Shyti
2016-02-19 4:25 ` Krzysztof Kozlowski
2016-02-19 4:25 ` Krzysztof Kozlowski
2016-02-19 4:29 ` [PATCH 0/3] thermal: exynos: Fixes for vtmu-supply regulator handling Andi Shyti
2016-02-19 4:29 ` Andi Shyti
2016-03-08 13:30 ` Javier Martinez Canillas
2016-03-08 13:30 ` Javier Martinez Canillas
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