Messages in this thread Patch in this message | | | From | Peter Tyser <> | Subject | [PATCH 1/8] mfd: lpc_ich: Fix ACPI enable bitmask | Date | Mon, 10 Mar 2014 16:34:51 -0500 |
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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, ®_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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