From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Gong" Subject: [PATCH 7/7] RAS, extlog: Adjust init flow Date: Wed, 11 Jun 2014 04:34:51 -0400 Message-ID: <1402475691-30045-8-git-send-email-gong.chen@linux.intel.com> References: <1402475691-30045-1-git-send-email-gong.chen@linux.intel.com> Return-path: Received: from mga01.intel.com ([192.55.52.88]:47285 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755855AbaFKJDz (ORCPT ); Wed, 11 Jun 2014 05:03:55 -0400 In-Reply-To: <1402475691-30045-1-git-send-email-gong.chen@linux.intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: tony.luck@intel.com, bp@alien8.de, m.chehab@samsung.com, rostedt@goodmis.org Cc: linux-acpi@vger.kernel.org, "Chen, Gong" Unless the platform has eMCA related capability, don't need to check if there is conflict with EDAC driver. Signed-off-by: Chen, Gong --- drivers/acpi/acpi_extlog.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c index a99d4a6..0ad6f38 100644 --- a/drivers/acpi/acpi_extlog.c +++ b/drivers/acpi/acpi_extlog.c @@ -223,19 +223,16 @@ static int __init extlog_init(void) u64 cap; int rc; + rdmsrl(MSR_IA32_MCG_CAP, cap); + + if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr()) + return -ENODEV; + if (get_edac_report_status() == EDAC_REPORTING_FORCE) { pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n"); return -EPERM; } - rc = -ENODEV; - rdmsrl(MSR_IA32_MCG_CAP, cap); - if (!(cap & MCG_ELOG_P)) - return rc; - - if (!extlog_get_l1addr()) - return rc; - rc = -EINVAL; /* get L1 header to fetch necessary information */ l1_hdr_size = sizeof(struct extlog_l1_head); -- 2.0.0.rc2