linux-kernel - Re: [PATCH 6/8] watchdog: st_wdt: Add new driver for ST's LPC Watchdog

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Date:	Thu, 18 Dec 2014 08:00:14 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...inux.com, a.zummo@...ertech.it,
	rtc-linux@...glegroups.com, wim@...ana.be,
	linux-watchdog@...r.kernel.org, devicetree@...r.kernel.org,
	arnd@...db.de, David Paris <david.paris@...com>
Subject: Re: [PATCH 6/8] watchdog: st_wdt: Add new driver for ST's LPC
 Watchdog

On Thu, Dec 18, 2014 at 08:26:52AM +0000, Lee Jones wrote:
> On Wed, 17 Dec 2014, Guenter Roeck wrote:
> > On Wed, Dec 17, 2014 at 04:45:25PM +0000, Lee Jones wrote:
> > > Signed-off-by: David Paris <david.paris@...com>
> > > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > 
> > Hi Lee and David,
> > 
> > I still have a couple of comments below. Sorry I didn't catch those earlier.
> > 
> > Thanks,
> > Guenter
> > 
> > > ---
> > >  drivers/watchdog/Kconfig  |  13 ++
> > >  drivers/watchdog/Makefile |   1 +
> > >  drivers/watchdog/st_wdt.c | 323 ++++++++++++++++++++++++++++++++++++++++++++++
> > >  3 files changed, 337 insertions(+)
> > >  create mode 100644 drivers/watchdog/st_wdt.c
> 
> Chopping all the crud.
> 
> [...]
> 
> > > +static struct of_device_id st_wdog_match[] = {
> > > +	{
> > > +		.compatible = "st,stih407-lpc",
> > > +		.data = (void *)&stih407_syscfg,
> > 
> > Nitpick: typecast to and from void * is not necessary.
> 
> Actually that's not true, but it is superfluous in this case.
> 
Point taken. Would you agree to a more detailed "typecasting a pointer
to and from void * is not necessary" ?

Guenter
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