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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Eirik Aanonsen <EAA@wprmedical.com>
Cc: "kernel@avr32linux.org" <kernel@avr32linux.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] atmel uaba : Adding invert vbus_pin
Date: Tue, 05 Jan 2010 00:37:04 +0300	[thread overview]
Message-ID: <4B425F80.2070409@ru.mvista.com> (raw)
In-Reply-To: <B5E0EDE940845B429B7ECCE186529F2C0641D177FD@dware2702>

Hello.

Eirik Aanonsen wrote:

> Adding vbus_pin_inverted so that the usb detect pin can be active high or low.
> This because depending on HW implementation it is better to have active low.
> Also replaced the pio_get_value(udc->vbus_pin); with a call to vbus_is_present(udc);
>
> Signed-off-by: Eirik Aanonsen <eaa@wprmedical.com>
>   
[...]
> diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
> index 4e970cf..1c469d4 100644
> --- a/drivers/usb/gadget/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/atmel_usba_udc.c
> @@ -320,8 +320,17 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc)
>  static int vbus_is_present(struct usba_udc *udc)
>  {
>  	if (gpio_is_valid(udc->vbus_pin))
> -		return gpio_get_value(udc->vbus_pin);
> -
> +	{	
> +		if(udc->vbus_pin_inverted)
>   

   Space missing after *if*.

> +		{
> +			if( gpio_get_value(udc->vbus_pin) == 1)
>   

   Space missing after *if* and there should be no space after (.

> +				return 0;
> +			else
> +				return 1;
>   

   Why not simply:

			return !gpio_get_value(udc->vbus_pin);


> +		}
> +		else
>   

   } and *else* should be on the same line.
   Please run your patches thru scripts/checkpatch.pl before submitting...

WBR, Sergei



  reply	other threads:[~2010-01-04 21:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-04 13:01 [PATCH 1/1] atmel uaba : Adding invert vbus_pin Eirik Aanonsen
2010-01-04 21:37 ` Sergei Shtylyov [this message]
2010-01-04 21:54 ` Ben Nizette
2010-01-15 18:54 ` Greg KH
2010-01-18  7:02   ` Eirik Aanonsen
2010-01-19  4:49     ` Greg KH
2010-01-19  7:16       ` Eirik Aanonsen
2010-01-27 22:40         ` Greg KH
2010-02-05  8:49           ` Eirik Aanonsen
  -- strict thread matches above, loose matches on Subject: below --
2010-01-05  8:47 Eirik Aanonsen
2010-01-13 13:20 ` Eirik Aanonsen

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