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SubjectRe: Provide /sys/../ec with read/write access and some cleanups
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On Thu, 2010-07-01 at 17:02 +0200, Thomas Renninger wrote:
> These patches are diffed against the test branch of the ACPI tree, but also
> patch fine with 2.6.35-rc3.
>
> I thought about tainting the kernel if someone writes to the EC, but as
> userspace can also write to graphics IO, PCI config or MSRs, it shouldn't
> matter that much.
> Eventually this should still be added (by a separate patch), one can easily
> confuse the EC to not switch on the fans anymore.
>
> A small tool to read out and write to /sys/devices/system/ec/*/io can be
> found here:
> ftp://ftp.suse.com/pub/people/trenn/sources/ec/ec_access.c
>
> Len: Can you apply these into your test branch and schedule them for linux-next
> and 2.6.36 if there are no objections, please.
>
> Thanks,
>
> Thomas

This is great patchset, I was even thinking doing that myself.

While at it, could you also provide a broken down table of EC GPEs like
the one in /sys/firmware/acpi/interrupts/ ?

Best regards,
Maxim Levitsky



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