power: reset: at91-poweroff: fix clobber list

Assembly in at91_lpddr_poweroff has r0 in the clobber list but uses r6.

Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c
index c6c3beea72f994e0c8fd889f04474627097ad93d..c30c40193aaa71042cd253fce75f7fad0436ff42 100644 (file)
--- a/drivers/power/reset/at91-poweroff.c
+++ b/drivers/power/reset/at91-poweroff.c
@@ -97,7 +97,7 @@ static void at91_lpddr_poweroff(void)
                  "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
                  "r" (at91_shdwc_base),
                  "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
-               : "r0");
+               : "r6");
 }
 
 static int at91_poweroff_get_wakeup_mode(struct device_node *np)