From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754492AbaCJVfQ (ORCPT ); Mon, 10 Mar 2014 17:35:16 -0400 Received: from xes-mad.com ([216.165.139.218]:57798 "EHLO xes-mad.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754406AbaCJVfO (ORCPT ); Mon, 10 Mar 2014 17:35:14 -0400 From: Peter Tyser To: linux-kernel@vger.kernel.org Cc: Peter Tyser , Guenter Roeck , James Ralston , Samuel Ortiz , Lee Jones Subject: [PATCH 1/8] mfd: lpc_ich: Fix ACPI enable bitmask Date: Mon, 10 Mar 2014 16:34:51 -0500 Message-Id: <1394487298-14459-1-git-send-email-ptyser@xes-inc.com> X-Mailer: git-send-email 1.7.7.GIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The original bitmask of 0x10 was incorrect and would result in a write to a reserved read-only bit instead of enabling the ACPI I/O region. Update it to the proper value of 0x80. Signed-off-by: Peter Tyser Tested-by: Rajat Jain Cc: Guenter Roeck Cc: James Ralston Cc: Samuel Ortiz Cc: Lee Jones --- drivers/mfd/lpc_ich.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index be93fa2..be10ad4 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -759,7 +759,7 @@ static void lpc_ich_enable_acpi_space(struct pci_dev *dev) u8 reg_save; pci_read_config_byte(dev, priv->acpi.ctrl, ®_save); - pci_write_config_byte(dev, priv->acpi.ctrl, reg_save | 0x10); + pci_write_config_byte(dev, priv->acpi.ctrl, reg_save | 0x80); priv->acpi.save = reg_save; } -- 1.7.7.GIT