Re: [Resend][PATCH] ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

On Mon, Jul 23, 2012 at 09:01:02PM +0200, Rafael J. Wysocki wrote:
> 
> If CONFIG_ACPI_SLEEP is unset, the compiler complains that
> pwr_btn_event_pending is defined but not used.  To silence the
> warning, move the definition of pwr_btn_event_pending under an
> appropriate #ifdef.
> 
> Reported-by: Paul E. McKenney <paul.mckenney@linaro.org>
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

Tested-by: Paul E. McKenney <paul.mckenney@linaro.org>

> ---
>  drivers/acpi/sleep.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux/drivers/acpi/sleep.c
> ===================================================================
> --- linux.orig/drivers/acpi/sleep.c
> +++ linux/drivers/acpi/sleep.c
> @@ -57,7 +57,6 @@ MODULE_PARM_DESC(gts, "Enable evaluation
>  MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
> 
>  static u8 sleep_states[ACPI_S_STATE_COUNT];
> -static bool pwr_btn_event_pending;
> 
>  static void acpi_sleep_tts_switch(u32 acpi_state)
>  {
> @@ -110,6 +109,7 @@ static int acpi_sleep_prepare(u32 acpi_s
> 
>  #ifdef CONFIG_ACPI_SLEEP
>  static u32 acpi_target_sleep_state = ACPI_STATE_S0;
> +static bool pwr_btn_event_pending;
> 
>  /*
>   * The ACPI specification wants us to save NVS memory regions during hibernation
>