pcmcia: limit pxa2xx_trizeps4 subdriver to trizeps4 platform
Dmitry Eremin-Solenikov [Fri, 1 Apr 2011 09:28:46 +0000 (13:28 +0400)]
pxa2xx_trizeps4 tries to register pxa2xx-pcmcia device not checking whether
machine is really trizeps4, thus messing multi-machine kernels. Fix it up.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

drivers/pcmcia/pxa2xx_trizeps4.c

index b7e5966..5bb4e1a 100644 (file)
@@ -226,6 +226,9 @@ static int __init trizeps_pcmcia_init(void)
 {
        int ret;
 
+       if (!machine_is_trizeps4() && !machine_is_trizeps4wl())
+               return -ENODEV;
+
        trizeps_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
        if (!trizeps_pcmcia_device)
                return -ENOMEM;