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commit 2f5bc307 upstream.

The current Armada XP suspend to RAM implementation, as added in
commit 27432825

 ("ARM: mvebu: Armada XP GP specific
suspend/resume code") does not handle big-endian configurations
properly: the small bit of assembly code putting the DRAM in
self-refresh and toggling the GPIOs to turn off power forgets to
convert the values to little-endian.

This commit fixes that by making sure the two values we will write to
the DRAM controller register and GPIO register are already in
little-endian before entering the critical assembly code.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Fixes: 27432825

 ("ARM: mvebu: Armada XP GP specific suspend/resume code")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>