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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] GPIO: Add gpio_to_desc helper
Date: Sat, 11 May 2013 13:31:55 +0200	[thread overview]
Message-ID: <20130511113155.GE19265@game.jcrosoft.org> (raw)
In-Reply-To: <1368269656.44400096@f345.mail.ru>

On 14:54 Sat 11 May     , Alexander Shiyan wrote:
> > On 18:04 Fri 10 May     , Alexander Shiyan wrote:
> > > Patch adds gpio_to_desc helper for validate GPIO.
> > > A bit optimization is performed (about -250 bytes on ARM).
> > > 
> > > Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
> > > ---
> > >  drivers/gpio/gpiolib.c | 97 ++++++++++++++++++++++++++------------------------
> > >  1 file changed, 51 insertions(+), 46 deletions(-)
> > > 
> > > diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> > > index 6398268..d7aa094 100644
> > > --- a/drivers/gpio/gpiolib.c
> > > +++ b/drivers/gpio/gpiolib.c
> > > @@ -32,20 +32,30 @@ static int gpio_ensure_requested(struct gpio_info *gi, int gpio)
> > >  	return gpio_request(gpio, "gpio");
> > >  }
> > >  
> > > +static struct gpio_info *gpio_to_desc(unsigned gpio)
> > > +{
> > > +	if (!gpio_is_valid(gpio))
> > put the WARN too as we need to known a gpio_xxx is used on a non valid gpio
> 
> Original bb code does not contain any warnings here. So if it really
> necessary it can be added later.

put it as we keep the code inline with the kernel a key point for sync
> 
> ---

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  reply	other threads:[~2013-05-11 11:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-10 14:04 Alexander Shiyan
2013-05-10 14:12 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-11 10:54   ` Re[2]: " Alexander Shiyan
2013-05-11 11:31     ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-05-11 12:05       ` Alexander Shiyan
2013-05-11 14:38         ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-11 14:46           ` Re[2]: " Alexander Shiyan
2013-05-11 14:50             ` Jean-Christophe PLAGNIOL-VILLARD

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