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From: "Masayuki Ohtake" <masa-korg@dsn.okisemi.com>
To: "Mike Frysinger" <vapier@gentoo.org>,
	"Mark Brown" <broonie@opensource.wolfsonmicro.com>
Cc: "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>
Subject: Re: [MeeGo-Dev][PATCH] Topcliff: Update PCH_GPIO driver to 2.6.35
Date: Tue, 28 Sep 2010 13:57:50 +0900	[thread overview]
Message-ID: <002801cb5ec9$b7936a00$66f8800a@maildom.okisemi.com> (raw)
In-Reply-To: 201009272338.23762.vapier@gentoo.org

Hi Mike and Mark,

Thanks for your help.

But, I've got a bit of problem again.
I have modified for GPIO standard I/F referring other accepted GPIO driver.

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.

Could you teach me the reason/cause why?

Thanks, Ohtake(OKISemi)




  reply	other threads:[~2010-09-28  4:57 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-03 10:54 [MeeGo-Dev][PATCH] Topcliff: Update PCH_GPIO driver to 2.6.35 Masayuki Ohtak
2010-09-03 13:48 ` Mark Brown
     [not found]   ` <000301cb5ebc$35ad8d20$66f8800a@maildom.okisemi.com>
2010-09-28  3:38     ` Mike Frysinger
2010-09-28  4:57       ` Masayuki Ohtake [this message]
2010-09-28  5:02         ` Mike Frysinger
2010-09-28  5:25           ` Masayuki Ohtake
2010-09-28  5:29             ` Mark Brown
2010-09-28  6:35               ` Masayuki Ohtake
2010-09-28 16:28                 ` Mark Brown
2010-09-28  5:32             ` Mike Frysinger
2010-09-28  7:21               ` Masayuki Ohtake
2010-09-28  4:12     ` Mark Brown
  -- strict thread matches above, loose matches on Subject: below --
2010-08-10 10:59 Masayuki Ohtak
2010-08-10 17:08 ` Greg KH

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