linux-kernel - Re: [PATCH 1/6] ACPI: Provide /sys/devices/system/ec/

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Message-ID: <20100709191858.GC8989@kroah.com>
Date:	Fri, 9 Jul 2010 12:18:58 -0700
From:	Greg KH <greg@...ah.com>
To:	Thomas Renninger <trenn@...e.de>
Cc:	lenb@...nel.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
	astarikovskiy@...e.de, Bjorn Helgaas <bjorn.helgaas@...com>
Subject: Re: [PATCH 1/6] ACPI: Provide /sys/devices/system/ec/

On Thu, Jul 01, 2010 at 05:02:45PM +0200, Thomas Renninger wrote:
> +config ACPI_EC_SYSFS
> +	tristate "EC read/write access through sysfs"
> +	default y
> +	help
> +	  Say N to disable Embedded Controller /sys interface
> +
> +	  An Embedded Controller typically is available on laptops and reads
> +	  sensor values like battery state and temperature.
> +	  The kernel access the EC through ACPI parsed code provided by BIOS
> +	  tables.
> +	  Thus this option is a debug option that helps to write ACPI drivers
> +	  and which can be used to identify ACPI code or EC firmware bugs.

Wait, why is this a sysfs file at all?  It should be a debugfs one,
right?

thanks,

greg k-h
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