From patchwork Thu May 18 21:22:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tyler Baicar X-Patchwork-Id: 9735261 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EBFB0601C8 for ; Thu, 18 May 2017 21:22:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D824228591 for ; Thu, 18 May 2017 21:22:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8E8228A25; Thu, 18 May 2017 21:22:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4C91528591 for ; Thu, 18 May 2017 21:22:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756076AbdERVWu (ORCPT ); Thu, 18 May 2017 17:22:50 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:52982 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756074AbdERVWt (ORCPT ); Thu, 18 May 2017 17:22:49 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id CCC2160798; Thu, 18 May 2017 21:22:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1495142568; bh=ejoo/ypAyK7l4zSm//HqFJmRwPMdKn8YW7Aum9Mhcnc=; h=From:To:Cc:Subject:Date:From; b=Y4AfkXqL/V3ywNJWnVttgZSw0aRxvmhVBLq1b7PSZ1PqIz+PJM1pLT0eAtikTtHZ+ ulq6Gu9fFCDby0Tl9kpJ3blQY+10bpj563jtlf3K3YsdTXkB651dF8cL4RmeohwdCf u8sxkiMeR+ZH/XovPQOKncBuIvfY1jz9MZlgnJJ4= Received: from tbaicar-lnx.qualcomm.com (unknown [129.46.14.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: tbaicar@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 23E5C60798; Thu, 18 May 2017 21:22:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1495142568; bh=ejoo/ypAyK7l4zSm//HqFJmRwPMdKn8YW7Aum9Mhcnc=; h=From:To:Cc:Subject:Date:From; b=Y4AfkXqL/V3ywNJWnVttgZSw0aRxvmhVBLq1b7PSZ1PqIz+PJM1pLT0eAtikTtHZ+ ulq6Gu9fFCDby0Tl9kpJ3blQY+10bpj563jtlf3K3YsdTXkB651dF8cL4RmeohwdCf u8sxkiMeR+ZH/XovPQOKncBuIvfY1jz9MZlgnJJ4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 23E5C60798 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=tbaicar@codeaurora.org From: Tyler Baicar To: rjw@rjwysocki.net, lenb@kernel.org, bp@suse.de, prarit@redhat.com, bhelgaas@google.com, punit.agrawal@arm.com, mingo@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, shiju.jose@huawei.com, James.Morse@arm.com, ahs3@redhat.com Cc: Tyler Baicar Subject: [PATCH V3] acpi: apei: check for pending errors when probing GHES entries Date: Thu, 18 May 2017 15:22:42 -0600 Message-Id: <1495142562-7318-1-git-send-email-tbaicar@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Check for pending errors when probing GHES entries. It is possible that a fatal error is already pending at this point, so we should handle it as soon as the driver is probed. This also avoids a potential issue if there was an interrupt that was already cleared for an error since the GHES driver wasn't present. V3: Check for pending errors of all GHES types Signed-off-by: Tyler Baicar Reviewed-by: Borislav Petkov --- drivers/acpi/apei/ghes.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index d0855c0..5347230 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -1039,6 +1039,9 @@ static int ghes_probe(struct platform_device *ghes_dev) } platform_set_drvdata(ghes_dev, ghes); + /* Handle any pending errors right away */ + ghes_proc(ghes); + return 0; err_edac_unreg: ghes_edac_unregister(ghes);