Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_GPIO driver to 2.6.35

["Masayuki Ohtake" <masa-korg@dsn.okisemi.com>]

Hi Mike,

> find out what range of GPIO numbers your driver is using and use those
> instead of "1"
I have attached a part of our source file.

Since I set "ngpio=12",
I guess 0-11 can be used, thus, "echo 1 > export" should be success too.
Is this true ?

Thanks, Ohtake(OKISemi)
----- Original Message ----- 
From: "Mike Frysinger" <vapier@gentoo.org>
To: "Masayuki Ohtake" <masa-korg@dsn.okisemi.com>
Cc: "Mark Brown" <broonie@opensource.wolfsonmicro.com>; "Andrew Morton" <akpm@linux-foundation.org>; "Samuel Ortiz"
<sameo@linux.intel.com>; "Randy Dunlap" <randy.dunlap@oracle.com>; "Alek Du" <alek.du@intel.com>;
<richard.rojfors@mocean-labs.com>; <meego-dev@meego.com>; "ML linux-kernel" <linux-kernel@vger.kernel.org>; "Qi"
<qi.wang@intel.com>; <andrew.chih.howe.khor@intel.com>; <gregkh@suse.de>; "Yong Y" <yong.y.wang@intel.com>; "Tomoya
MORINAGA" <morinaga526@dsn.okisemi.com>; <joel.clark@intel.com>; <margie.foster@intel.com>; <kok.howg.ewe@intel.com>
Sent: Tuesday, September 28, 2010 2:02 PM
Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_GPIO driver to 2.6.35


On Tue, Sep 28, 2010 at 00:57, Masayuki Ohtake wrote:
> I have modified for GPIO standard I/F referring other accepted GPIO driver.

no idea what this driver is

> According to Documentation/gpio.txt,
> I tried to create GPIO node like below.
>
> [root@localhost gpio]# ls
> export gpiochip244 unexport
> [root@localhost gpio]# echo 1 > export
> bash: echo: write error: Invalid argument
> [root@localhost gpio]#
>
> But it fails.

find out what range of GPIO numbers your driver is using and use those
instead of "1"
-mike


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end