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Patch "ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned" has been added to the 4.1-stable tree

PATCH [email protected] 1 participant 1 message Dec 6, 2015

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This is a note to let you know that I've just added the patch titled

ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned

to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:

     arm-at91-pm-at91_pm_suspend_in_sram-must-be-8-byte-aligned.patch

and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 5fcf8d1a0e84792b2bc44922c5d833dab96a9c1e Mon Sep 17 00:00:00 2001

From: Patrick Doyle <[email protected]>
Date: Fri, 16 Oct 2015 12:39:05 +0200
Subject: ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned

From: Patrick Doyle <[email protected]>

commit 5fcf8d1a0e84792b2bc44922c5d833dab96a9c1e upstream.

fncpy() requires that the source and the destination are both 8-byte aligned.

Fixes d94e688cae56 ("ARM: at91/pm: move the copying the sram function to the sram initialization phase")
---
 arch/arm/mach-at91/pm_suspend.S |    2 ++
 1 file changed, 2 insertions(+)
arch/arm/mach-at91/pm_suspend.S +2 -0
@@ -81,6 +81,8 @@ tmp2	.req	r5
  *	@r2: base address of second SDRAM Controller or 0 if not present
  *	@r3: pm information
  */
+/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */
+	.align 3
 ENTRY(at91_pm_suspend_in_sram)
 	/* Save registers on stack */
 	stmfd	sp!, {r4 - r12, lr}

Patches currently in stable-queue which might be from [email protected] are

queue-4.1/arm-at91-pm-at91_pm_suspend_in_sram-must-be-8-byte-aligned.patch