Merge branch 'acpi-ec'

* acpi-ec:
  ACPI: EC: Clean up status flags checks in advance_transaction()
  ACPI: EC: Untangle error handling in advance_transaction()
  ACPI: EC: Simplify error handling in advance_transaction()
  ACPI: EC: Rename acpi_ec_is_gpe_raised()
  ACPI: EC: Fold acpi_ec_clear_gpe() into its caller
  ACPI: EC: Eliminate in_interrupt() usage