linux-kernel - Re: [PATCH 3/3] RTC/PCF85063: fix time/date setting

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Message-Id: <201601071113.00076.jbe@pengutronix.de>
Date:	Thu, 7 Jan 2016 11:13:00 +0100
From:	Juergen Borleis <jbe@...gutronix.de>
To:	kernel@...gutronix.de
Cc:	rtc-linux@...glegroups.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] RTC/PCF85063: fix time/date setting

Hi Alexandre,

sorry, missed your comment. Please keep me on CC since I'm not subscribed to 
the list.

> > When setting a new time/date the RTC's clock must be stopped first, in
> > order to write the time/date registers in an atomic manner.
> > So, this change stops the clock first and then writes the time/date
> > registers and the clock control register (to re-enable the clock) in one
> > turn.
>
> I'd have the same comment for that patch. Using
> i2c_smbus_write_byte_data and i2c_smbus_write_block_data would make the
> code clearer and also more robust because it takes care of
> retransmissions for example.

Okay. Will have a look.

Regards,
Juergen

-- 
Pengutronix e.K.                              | Juergen Borleis             |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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