From: Mark Brown <broonie@kernel.org>
To: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Sangbeom Kim <sbkim73@samsung.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Samuel Ortiz <sameo@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>,
linux-kernel@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [PATCH] regulator: s5m8767: Disable OVCB in probe
Date: Wed, 13 Nov 2013 13:50:21 +0000 [thread overview]
Message-ID: <20131113135021.GN878@sirena.org.uk> (raw)
In-Reply-To: <1384263715-5713-1-git-send-email-k.kozlowski@samsung.com>
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On Tue, Nov 12, 2013 at 02:41:55PM +0100, Krzysztof Kozlowski wrote:
> According to SW Guide the Over-Voltage Clamp may malfunction at VBatt
> 5.25V and 110'C temperature. This may result in overshooting or
> undershooting LDO's voltage outputs.
> Disable the Over-Voltage Clamp in probe by updating proper bit in all
> LDO registers.
Is there no way to detect these conditions at runtime? The temperature
condition in particular seems very high and hence relatively unlikely to
hold most of the time, disabling the overvoltage protection all the time
seems like an uncertain tradeoff.
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next prev parent reply other threads:[~2013-11-13 13:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-08 15:05 [PATCH 1/2] mfd: sec: reorder params in API for regmap consistency Krzysztof Kozlowski
2013-11-08 15:05 ` [PATCH 2/2] mfd: max77693: " Krzysztof Kozlowski
2013-11-08 15:54 ` Lee Jones
2013-11-08 15:52 ` [PATCH 1/2] mfd: sec: " Lee Jones
2013-11-12 13:41 ` [PATCH] regulator: s5m8767: Disable OVCB in probe Krzysztof Kozlowski
2013-11-12 15:41 ` Lee Jones
2013-11-13 13:50 ` Mark Brown [this message]
2013-11-14 1:29 ` Kyungmin Park
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