From: Federico Vaga <federico.vaga-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH RFC] spidev.c: add sysfs attributes for SPI configuration
Date: Thu, 20 Dec 2012 16:30:36 +0100 [thread overview]
Message-ID: <1440955.3UsNh3CGzX@number-5> (raw)
In-Reply-To: <20121219150925.8262E3E0AD7@localhost>
On Wednesday 19 December 2012 15:09:25 Grant Likely wrote:
> Not a good idea. sysfs is not a good place for operational
> interfaces. Please use the spi character devices for direct
> manipulation of the SPI configuration.
Hello,
Can you explain why it is not a good idea? I do not understand; what
is the advantage of ioctl through char device? Or what it the issue
with sysfs?
Thank you very much
--
Federico Vaga
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WARNING: multiple messages have this Message-ID (diff)
From: Federico Vaga <federico.vaga@gmail.com>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: spi-devel-general@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC] spidev.c: add sysfs attributes for SPI configuration
Date: Thu, 20 Dec 2012 16:30:36 +0100 [thread overview]
Message-ID: <1440955.3UsNh3CGzX@number-5> (raw)
In-Reply-To: <20121219150925.8262E3E0AD7@localhost>
On Wednesday 19 December 2012 15:09:25 Grant Likely wrote:
> Not a good idea. sysfs is not a good place for operational
> interfaces. Please use the spi character devices for direct
> manipulation of the SPI configuration.
Hello,
Can you explain why it is not a good idea? I do not understand; what
is the advantage of ioctl through char device? Or what it the issue
with sysfs?
Thank you very much
--
Federico Vaga
next prev parent reply other threads:[~2012-12-20 15:30 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-24 17:20 [PATCH RFC] spidev.c: add sysfs attributes for SPI configuration Federico Vaga
2012-11-24 17:20 ` Federico Vaga
2012-12-19 15:09 ` Grant Likely
2012-12-20 15:30 ` Federico Vaga [this message]
2012-12-20 15:30 ` Federico Vaga
2012-12-22 9:47 ` Grant Likely
2012-12-22 11:21 ` Federico Vaga
2012-12-22 11:21 ` Federico Vaga
2012-12-22 18:29 ` Greg KH
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