From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marek.vasut@gmail.com>
Date: Thu, 10 Nov 2011 17:58:17 +0100
Subject: [U-Boot] [PATCH 06/20] iMX28: Add GPIO control
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> On Wednesday 09 November 2011 04:18:13 Marek Vasut wrote:
> > +int gpio_request(int gp, const char *label)
> 
> all of these gpio funcs should be "unsigned gpio"
> -mike

It's a problem of API then?

include/asm/gpio.h:int gpio_request(int gp, const char *label);

TBH, I can't imagine gpio number to be lower than zero, but who knows.

M