ARM i.MX27 pm: return gracefully on different socs

Code called from an initcall can be maybe called for
machines it's not intended for. So check for valid
machines and return gracefully if an incompatible machine
is found.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c
index afc17ce0bb54053beda95c47ea3a81c37c39fa75..6bf81ceea137f715f248e20266f34a32cdccdcd0 100644 (file)
--- a/arch/arm/mach-imx/pm-imx27.c
+++ b/arch/arm/mach-imx/pm-imx27.c
@@ -39,6 +39,9 @@ static struct platform_suspend_ops mx27_suspend_ops = {
 
 static int __init mx27_pm_init(void)
 {
+       if (!cpu_is_mx27())
+               return 0;
+
        suspend_set_ops(&mx27_suspend_ops);
        return 0;
 }