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[PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
Date 2015-12-07 17:10 +0100
Message-ID <qD6wr-6Nn-51@gated-at.bofh.it> (permalink)
References <qD5qG-5Tt-5@gated-at.bofh.it>
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4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Patrick Doyle <pdoyle@irobot.com>

commit 5fcf8d1a0e84792b2bc44922c5d833dab96a9c1e upstream.

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

Signed-off-by: Patrick Doyle <pdoyle@irobot.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Fixes: d94e688cae56 ("ARM: at91/pm: move the copying the sram function to the sram initialization phase")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/mach-at91/pm_suspend.S |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -80,6 +80,8 @@ 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}


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[PATCH 4.2 037/124] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-07 17:10 +0100

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