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Subject[PATCH 1/8] mfd: lpc_ich: Fix ACPI enable bitmask
Date
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 <ptyser@xes-inc.com>
Tested-by: Rajat Jain <rajatjain@juniper.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: James Ralston <james.d.ralston@intel.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Lee Jones <lee.jones@linaro.org>
---
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, &reg_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


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