linux-kernel - Re: [PATCH RFC] spidev.c: add sysfs attributes for SPI configuration

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Date:	Thu, 20 Dec 2012 16:30:36 +0100
From:	Federico Vaga <federico.vaga@...il.com>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	spi-devel-general@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] spidev.c: add sysfs attributes for SPI configuration

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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