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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Trent Piepho <tpiepho@impinj.com>
Cc: "linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>,
	Alessandro Zummo <a.zummo@towertech.it>
Subject: Re: [PATCH v3 3/4] rtc: isl1208: Add new style nvmem support to driver
Date: Wed, 13 Feb 2019 00:10:33 +0100	[thread overview]
Message-ID: <20190212231033.GE10129@piout.net> (raw)
In-Reply-To: <20190212023225.2710-3-tpiepho@impinj.com>

On 12/02/2019 02:34:05+0000, Trent Piepho wrote:
> Add support for the RTC's NVRAM using the standard nvmem support that is
> part of the Linux RTC framework.
> 
> This driver already has a sysfs attribute that provides access to the
> RTC's NVRAM as a single 16-bit value.  Some chips have more than two
> bytes of NVRAM, so this will not work for them.  It's also non-standard.
> 
> This sysfs attribute is left in for backward compatibility, but will only
> be able to read the first two bytes of NVRAM.  The nvmem interface will
> allow access to all NVRAM, e.g. eight bytes on the isl1218.
> 
> Cc: Alessandro Zummo <a.zummo@towertech.it>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Signed-off-by: Trent Piepho <tpiepho@impinj.com>
> ---
>  drivers/rtc/rtc-isl1208.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
> 
Applied, thanks.

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2019-02-12 23:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-12  2:34 [PATCH v3 1/4] rtc: isl1208: Introduce driver state struct Trent Piepho
2019-02-12  2:34 ` [PATCH v3 2/4] rtc: isl1208: Support more chip variations Trent Piepho
2019-02-12 23:10   ` Alexandre Belloni
2019-02-12  2:34 ` [PATCH v3 4/4] dt-bindings: rtc: Update for new chip in isl1208 series Trent Piepho
2019-02-12 23:10   ` Alexandre Belloni
2019-02-12  2:34 ` [PATCH v3 3/4] rtc: isl1208: Add new style nvmem support to driver Trent Piepho
2019-02-12 23:10   ` Alexandre Belloni [this message]
2019-02-12 23:10 ` [PATCH v3 1/4] rtc: isl1208: Introduce driver state struct Alexandre Belloni

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