ACPICA: Remove obsolete GPE function

Remove acpi_hw_write_gpe_enable_reg, it had been reduced down to a
single line of code, and called from only one place.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/acpica/achware.h

@@ -96,9 +96,6 @@ u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
 acpi_status
 acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action);
 
-acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
-
 acpi_status
 acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 			  struct acpi_gpe_block_info *gpe_block, void *context);

drivers/acpi/acpica/evgpe.c

@@ -452,8 +452,12 @@ static void acpi_ev_asynch_enable_gpe(void *context)
 		}
 	}
 
-	/* Enable this GPE */
-	(void)acpi_hw_write_gpe_enable_reg(gpe_event_info);
+	/*
+	 * Enable this GPE, conditionally. This means that the GPE will only be
+	 * physically enabled if the enable_for_run bit is set in the event_info
+	 */
+	(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE);
+
 	return_VOID;
 }
 

drivers/acpi/acpica/hwgpe.c

@@ -141,31 +141,6 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action)
 	return (status);
 }
 
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_write_gpe_enable_reg
- *
- * PARAMETERS:  gpe_event_info      - Info block for the GPE to be enabled
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Write a GPE enable register.  Note: The bit for this GPE must
- *              already be cleared or set in the parent register
- *              enable_for_run mask.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
-{
-	acpi_status status;
-
-	ACPI_FUNCTION_ENTRY();
-
-	status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE);
-	return (status);
-}
-
 /******************************************************************************
  *
  * FUNCTION:    acpi_hw_clear_gpe