From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FA85C433B4 for ; Thu, 29 Apr 2021 14:58:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15E216143B for ; Thu, 29 Apr 2021 14:58:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237397AbhD2O70 (ORCPT ); Thu, 29 Apr 2021 10:59:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240602AbhD2O7N (ORCPT ); Thu, 29 Apr 2021 10:59:13 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BB80C06138B; Thu, 29 Apr 2021 07:58:25 -0700 (PDT) Received: from zn.tnic (p200300ec2f0a4f00261a50588b71a803.dip0.t-ipconnect.de [IPv6:2003:ec:2f0a:4f00:261a:5058:8b71:a803]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 5864C1EC03E4; Thu, 29 Apr 2021 16:58:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1619708303; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=UOMzazNCqY0ZYhxDicYo52FwGKwZCLG/iQJdgVevypg=; b=LVq7RaEVIeIhg6rv8l+6bepN2dcJmR8xZFoFpWpBpZBN7eLogDxqowowHS0CR+rHVOLuME AC7FMCE+ug+vPISc1mG6CbHlzWvevGZWosIpq1aivq4DP4b1VFa/gVtLOAbBvnZWn8FvZi ohv4IY1sqThCV4hHclQNc9yqNCOkCys= Date: Thu, 29 Apr 2021 16:58:20 +0200 From: Borislav Petkov To: Linus Walleij Cc: Andy Shevchenko , Coiby Xu , Ken Xue , Nehal Shah , Shyam Sundar S K , Daniel Drake , vectorflaredesigns@gmail.com, "open list:GPIO SUBSYSTEM" , lkml , Hans de Goede Subject: Re: [Bug 212379] AMD GPIO chip IRQs stops working (ELN4690, WCOM51C7, BMA250E) Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 29, 2021 at 04:31:18PM +0200, Linus Walleij wrote: > I have no clue, someone with deeper understanding of AMDs bridges > and stuff need to look at this. Since it dies after a while I would > suspect power management by the BIOS. (Off the top of my head.) > SInce I guess these systems use BIOS ACPI for all PM. > > If someone from AMD could pick up this bug, that would be great. Thanks for looking. I have it on a good authority that something like that is happening now. :-) -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette