linux-kernel - Re: [PATCH] ACPI / sleep: Drop acpi

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Date:	Wed, 18 Mar 2015 09:17:26 +0800
From:	Hanjun Guo <guohanjun@...wei.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>
CC:	Hanjun Guo <hanjun.guo@...aro.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI / sleep: Drop acpi_suspend() which is not used

On 2015/3/17 22:29, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>
> The acpi_suspend() function has no callers, so drop it.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Reviewed-by: Hanjun Guo <hanjun.guo@...aro.org>

> ---
>  drivers/acpi/sleep.c |   15 ---------------
>  drivers/acpi/sleep.h |    2 --
>  2 files changed, 17 deletions(-)
>
> Index: linux-pm/drivers/acpi/sleep.c
> ===================================================================
> --- linux-pm.orig/drivers/acpi/sleep.c
> +++ linux-pm/drivers/acpi/sleep.c
> @@ -806,21 +806,6 @@ static void acpi_sleep_hibernate_setup(v
>  static inline void acpi_sleep_hibernate_setup(void) {}
>  #endif /* !CONFIG_HIBERNATION */
>  
> -int acpi_suspend(u32 acpi_state)
> -{
> -	suspend_state_t states[] = {
> -		[1] = PM_SUSPEND_STANDBY,
> -		[3] = PM_SUSPEND_MEM,
> -		[5] = PM_SUSPEND_MAX
> -	};
> -
> -	if (acpi_state < 6 && states[acpi_state])
> -		return pm_suspend(states[acpi_state]);
> -	if (acpi_state == 4)
> -		return hibernate();
> -	return -EINVAL;
> -}
> -
>  static void acpi_power_off_prepare(void)
>  {
>  	/* Prepare to power off the system */
> Index: linux-pm/drivers/acpi/sleep.h
> ===================================================================
> --- linux-pm.orig/drivers/acpi/sleep.h
> +++ linux-pm/drivers/acpi/sleep.h
> @@ -1,6 +1,4 @@
>  
> -extern int acpi_suspend(u32 state);
> -
>  extern void acpi_enable_wakeup_devices(u8 sleep_state);
>  extern void acpi_disable_wakeup_devices(u8 sleep_state);
>  
>
> --
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>
> .
>


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