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Subject[PATCH 4.3 026/125] ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
Date
4.3-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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