linux-kernel - linux-next: manual merge of the s5p tree with the arm tree

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Date:	Wed, 20 Jul 2011 11:35:58 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Kukjin Kim <kgene.kim@...sung.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Russell King <rmk@....linux.org.uk>,
	Jaecheol Lee <jc.lee@...sung.com>
Subject: linux-next: manual merge of the s5p tree with the arm tree

Hi Kukjin,

Today's linux-next merge of the s5p tree got a conflict in
arch/arm/mach-exynos4/pm.c between commits e7089da9567f ("ARM: pm:
samsung: move cpu_suspend into C code") and 29cb3cd208dd ("ARM: pm: allow
suspend finisher to return error codes") from the arm tree and commit
f8ab7d1a953b ("ARM: EXYNOS4: Add save/restore for other ARM registers")
from the s5p tree.

I fixed it up (see below) and can carry the fix as necessary.

BTW, Russell, commit 29cb3cd208dd above changed the return type of
exynos4_cpu_suspend() from void to int but did not add any return
statement ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --cc arch/arm/mach-exynos4/pm.c
index 533c28f,45f7fd3..0000000
--- a/arch/arm/mach-exynos4/pm.c
+++ b/arch/arm/mach-exynos4/pm.c
@@@ -280,37 -216,11 +216,11 @@@ static struct sleep_save exynos4_l2cc_s
  	SAVE_ITEM(S5P_VA_L2CC + L2X0_AUX_CTRL),
  };
  
+ /* For Cortex-A9 Diagnostic and Power control register */
+ static unsigned int save_arm_register[2];
+ 
 -void exynos4_cpu_suspend(unsigned long arg)
 +static int exynos4_cpu_suspend(unsigned long arg)
  {
- 	unsigned long tmp;
- 	unsigned long mask = 0xFFFFFFFF;
- 
- 	/* Setting Central Sequence Register for power down mode */
- 
- 	tmp = __raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION);
- 	tmp &= ~(S5P_CENTRAL_LOWPWR_CFG);
- 	__raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
- 
- 	/* Setting Central Sequence option Register */
- 
- 	tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION);
- 	tmp &= ~(S5P_USE_MASK);
- 	tmp |= S5P_USE_STANDBY_WFI0;
- 	__raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION);
- 
- 	/* Clear all interrupt pending to avoid early wakeup */
- 
- 	__raw_writel(mask, (S5P_VA_GIC_DIST + 0x280));
- 	__raw_writel(mask, (S5P_VA_GIC_DIST + 0x284));
- 	__raw_writel(mask, (S5P_VA_GIC_DIST + 0x288));
- 
- 	/* Disable all interrupt */
- 
- 	__raw_writel(0x0, (S5P_VA_GIC_CPU + 0x000));
- 	__raw_writel(0x0, (S5P_VA_GIC_DIST + 0x000));
- 	__raw_writel(mask, (S5P_VA_GIC_DIST + 0x184));
- 	__raw_writel(mask, (S5P_VA_GIC_DIST + 0x188));
- 
  	outer_flush_all();
  
  	/* issue the standby signal into the pm unit. */
--
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