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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/7] ARM: EXYNOS4: Support early wakeup while entering sleep mode
Date: Wed, 22 Jun 2011 15:57:15 +0100	[thread overview]
Message-ID: <20110622145715.GS23234@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1308732405-16664-5-git-send-email-kgene.kim@samsung.com>

On Wed, Jun 22, 2011 at 05:46:42PM +0900, Kukjin Kim wrote:
> diff --git a/arch/arm/mach-exynos4/sleep.S b/arch/arm/mach-exynos4/sleep.S
> index 6b62425..d55d38c 100644
> --- a/arch/arm/mach-exynos4/sleep.S
> +++ b/arch/arm/mach-exynos4/sleep.S
> @@ -45,11 +45,20 @@ ENTRY(s3c_cpu_save)
>  	ldr	r3, =resume_with_mmu
>  	bl	cpu_suspend
>  
> -	ldr	r0, =pm_cpu_sleep
> -	ldr	r0, [ r0 ]
> -	mov	pc, r0
> +	bl	exynos4_cpu_suspend
> +
> +	/* Restore original sp */
> +	mov	r0, sp
> +	add	r0, r0, #4
> +	ldr	sp, [r0]
> +
> +	mov	r0, #0
> +	b	early_wakeup
>  
>  resume_with_mmu:
> +	mov	r0, #1
> +
> +early_wakeup:
>  	ldmfd	sp!, { r3 - r12, pc }

NAK.

If we want to return from cpu_suspend() stuff then we need to solve this
properly, as per my patch sent around 13th June to the hibernate thread.

Stop bodging stuff (like you have for the SCU stuff.) and start _talking_
to people if the code doesn't do what you need it to do.

  reply	other threads:[~2011-06-22 14:57 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-22  8:46 [PATCH 0/7] ARM: EXYNOS4: Update PM Kukjin Kim
2011-06-22  8:46 ` [PATCH 1/7] ARM: EXYNOS4: Support system level power down configuration Kukjin Kim
2011-06-22  8:46 ` [PATCH 2/7] ARM: EXYNOS4: Remove PMU configuration for S2RAM Kukjin Kim
2011-06-22  8:46 ` [PATCH 3/7] ARM: EXYNOS4: Add support PM with external GIC Kukjin Kim
2011-06-22  8:46 ` [PATCH 4/7] ARM: EXYNOS4: Support early wakeup while entering sleep mode Kukjin Kim
2011-06-22 14:57   ` Russell King - ARM Linux [this message]
2011-06-24  7:42     ` Kukjin Kim
2011-06-24  9:37       ` Russell King - ARM Linux
2011-06-24 10:22         ` Russell King - ARM Linux
2011-07-01  1:03           ` Kukjin Kim
2011-07-01  7:44             ` Russell King - ARM Linux
2011-07-04  9:42               ` Kukjin Kim
2011-07-04  9:52                 ` Russell King - ARM Linux
2011-06-29  4:58         ` Kukjin Kim
2011-06-22  8:46 ` [PATCH 5/7] ARM: EXYNOS4: Add save/restore function for PLL Kukjin Kim
2011-06-22  8:46 ` [PATCH 6/7] ARM: EXYNOS4: Add save/restore for more ARM registers Kukjin Kim
2011-06-22 14:54   ` Russell King - ARM Linux
2011-06-23  6:39     ` Kukjin Kim
2011-06-23  7:51       ` Russell King - ARM Linux
2011-06-23  8:00         ` Kukjin Kim
2011-06-22  8:46 ` [PATCH 7/7] ARM: EXYNOS4: Move S5P_CENTRAL_SEQ_CONFIGURATION setting for PM Kukjin Kim
2011-06-22 12:10   ` Sergei Shtylyov
2011-06-23  8:05     ` Kukjin Kim

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