Eric Lee / smarc-ti-linux-kernel

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Commit f5dccb15877b82a40950c6f752d5345c86189fc9

Authored by Peter Tyser
Committed by Lee Jones
1 parent 037b60f2ca
Exists in master and in 13 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.15.y, ti-lsk-linux-4.1.y

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>

Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff

drivers/mfd/lpc_ich.c
Diff comments   View file @ f5dccb1
... ... @@ -759,7 +759,7 @@
759 759 u8 reg_save;
760 760  
761 761 pci_read_config_byte(dev, priv->acpi.ctrl, &reg_save);
762   - pci_write_config_byte(dev, priv->acpi.ctrl, reg_save | 0x10);
  762 + pci_write_config_byte(dev, priv->acpi.ctrl, reg_save | 0x80);
763 763 priv->acpi.save = reg_save;
764 764 }
765 765