[ARM] pxa: don't register lpd270 cpld_irq sysdev if !lpd270

Don't register the LPD270 cpld_irq system device when we're not running
on a LPD270 machine - "cpld_irq" is also registered (separately) by
Lubbock and Mainstone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 6 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index a20e4b1649d6..6fd7b8b753fc 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -134,9 +134,12 @@ static struct sys_device lpd270_irq_device = {
 
 static int __init lpd270_irq_device_init(void)
 {
-        int ret = sysdev_class_register(&lpd270_irq_sysclass);
-        if (ret == 0)
-                ret = sysdev_register(&lpd270_irq_device);
+        int ret = -ENODEV;
+        if (machine_is_logicpd_pxa270()) {
+                ret = sysdev_class_register(&lpd270_irq_sysclass);
+                if (ret == 0)
+                        ret = sysdev_register(&lpd270_irq_device);
+        }
         return ret;
 }