linux-kernel - Re: [PATCH] regulator: s5m8767: Disable OVCB in probe

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Message-ID: <20131112154132.GB3863@lee--X1>
Date:	Tue, 12 Nov 2013 15:41:32 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Sangbeom Kim <sbkim73@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH] regulator: s5m8767: Disable OVCB in probe

On Tue, 12 Nov 2013, 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.
> 
> The patch uses sec_bulk_read/write() API with reordered buf and count
> parameters so it depends on:
>   "mfd: sec: reorder params in API for regmap consistency"
>   http://www.spinics.net/lists/kernel/msg1632519.html
> 
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> ---
>  drivers/regulator/s5m8767.c         |   26 ++++++++++++++++++++++++++
>  include/linux/mfd/samsung/s5m8767.h |    1 +
>  2 files changed, 27 insertions(+)

For the MFD change:
  Acked-by: Lee Jones <lee.jones@...aro.org>

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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