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| author | Peter Tyser <ptyser@xes-inc.com> | 2014-11-05 09:39:09 +0800 |
|---|---|---|
| committer | Stephane Desneux <stephane.desneux@open.eurogiciel.org> | 2015-02-04 11:16:26 +0100 |
| commit | 4e90b13b48c036fc4aa51043b66148136f4e172a (patch) | |
| tree | b5759e14ba9c6aca964cd632f44f41ba3843c5ba | |
| parent | 833934d6ec36d594513d5bf29acefc3cdd84ef9b (diff) | |
| download | linux-stable-4e90b13b48c036fc4aa51043b66148136f4e172a.tar.gz linux-stable-4e90b13b48c036fc4aa51043b66148136f4e172a.tar.bz2 linux-stable-4e90b13b48c036fc4aa51043b66148136f4e172a.zip | |
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>
(cherry picked from commit f5dccb15877b82a40950c6f752d5345c86189fc9)
Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com>
| -rw-r--r-- | 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 17eff0925ac1..2be85a4b36c0 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; } |