Re: [PATCH v6 1/2] drivers: watchdog: add a driver to support SAMA5D4 watchdog timer

[Guenter Roeck]

On 08/27/2015 06:30 PM, Yang, Wenyou wrote:
> > -----Original Message-----
> > From: Guenter Roeck [mailto:linux@xxxxxxxxxxxx]
> > Sent: 2015年8月7日 23:26
> > To: Yang, Wenyou; wim@xxxxxxxxx; robh+dt@xxxxxxxxxx; pawel.moll@xxxxxxx;
> > mark.rutland@xxxxxxx; ijc+devicetree@xxxxxxxxxxxxxx; galak@xxxxxxxxxxxxxx
> > Cc: sylvain.rochet@xxxxxxxxxxxx; Ferre, Nicolas; boris.brezillon@free-
> > electrons.com; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-
> > watchdog@xxxxxxxxxxxxxxx
> > Subject: Re: [PATCH v6 1/2] drivers: watchdog: add a driver to support SAMA5D4
> > watchdog timer
> >
> > On 08/06/2015 03:16 AM, Wenyou Yang wrote:
> > > >From SAMA5D4, the watchdog timer is upgrated with a new feature,
> > > which is describled as in the datasheet, "WDT_MR can be written until
> > > a LOCKMR command is issued in WDT_CR".
> > > That is to say, as long as the bootstrap and u-boot don't issue a
> > > LOCKMR command, WDT_MR can be written more than once in the driver.
> > >
> > > So the SAMA5D4 watchdog driver's implementation is different from the
> > > at91sam9260 watchdog driver implemented in file at91sam9_wdt.c.
> > > The user application open the device file to enable the watchdog timer
> > > hardware, and close to disable it, and set the watchdog timer timeout
> > > by seting WDV and WDD fields of WDT_MR register, and ping the watchdog
> > > by issuing WDRSTT command to WDT_CR register with hard-coded key.
> > >
> > > Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxx>
> >
> > Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
>
> Hi Vim,
>
> Can this patch series be merged? Could you please?
It is included in the pull request I sent to Wim last week.

Guenter


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