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mfd: lpc_ich: Fix ACPI enable bitmask 

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>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Peter Tyser 2014-03-10 16:34:51 -05:00 committed by Lee Jones
parent 037b60f2ca
commit f5dccb1587
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/lpc_ich.c
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@ -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;
}