From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxim Levitsky Subject: Re: Provide /sys/../ec with read/write access and some cleanups Date: Thu, 01 Jul 2010 23:47:13 +0300 Message-ID: <1278017233.7029.7.camel@localhost.localdomain> References: <1277996570-2686-1-git-send-email-trenn@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:36737 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754911Ab0GAUrR (ORCPT ); Thu, 1 Jul 2010 16:47:17 -0400 In-Reply-To: <1277996570-2686-1-git-send-email-trenn@suse.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Thomas Renninger Cc: lenb@kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, platform-driver-x86@vger.kernel.org, astarikovskiy@suse.de 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