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From: Markus Franke <markus.franke@s2002.tu-chemnitz.de>
To: Greg KH <greg@kroah.com>
Cc: Markus Franke <markus.franke@s2002.tu-chemnitz.de>,
	Evgeniy Polyakov <zbr@ioremap.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] w1: Add 1-wire slave device driver for DS28E04-100
Date: Thu, 10 May 2012 00:37:56 +0200	[thread overview]
Message-ID: <4FAAF1C4.2050500@hrz.tu-chemnitz.de> (raw)
In-Reply-To: <20120509222411.GA24302@kroah.com>

Dear Greg,

Am 10.05.2012 00:24, schrieb Greg KH:

>> the file "pio" is used for reading the current PIO state of the
>> DS28E04-100.
> 
> Why is this a binary file?  That seems like it should not be, as a
> binary sysfs file should be "pass-through" only.


Well, the data read/written through this file is actually directly
"passed" on to the device. There are two bits which reflect the current
state of the PIO pins of the DS28E04. However, I must admit that this
could also be implemented as regular sysfs attributes.

Best regards,
Markus Franke

  reply	other threads:[~2012-05-09 22:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-30  2:13 [PATCH] w1: Add 1-wire slave device driver for DS28E04-100 Greg KH
2012-05-02 20:12 ` Markus Franke
2012-05-02 20:21   ` Greg KH
2012-05-03 18:00     ` Evgeniy Polyakov
2012-05-09 20:37       ` Markus Franke
2012-05-09 22:06         ` Greg KH
2012-05-09 22:16           ` Markus Franke
2012-05-09 22:24             ` Greg KH
2012-05-09 22:37               ` Markus Franke [this message]
2012-05-09 23:57                 ` Evgeniy Polyakov
2012-05-10  0:01                   ` Greg KH
2012-05-10  0:43                     ` Evgeniy Polyakov
2012-05-10  3:43                       ` Greg KH
2012-05-10  4:55                       ` Markus Franke
2012-05-10 15:16                         ` Greg KH
2012-05-10 22:57                           ` Markus Franke
2012-05-10 23:04                             ` Greg KH
2012-05-11  6:13                               ` Markus Franke
2012-05-15  1:21                                 ` Evgeniy Polyakov
2012-05-25 22:45                               ` Markus Franke
2012-05-10 23:22                             ` Andrew Morton
2012-05-11  6:15                               ` Markus Franke

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