diff options
Diffstat (limited to 'arch/powerpc/sysdev/cpm_common.c')
| -rw-r--r-- | arch/powerpc/sysdev/cpm_common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index e4b6d66d93d..88b9812c854 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -21,6 +21,7 @@ #include <linux/of_device.h> #include <linux/spinlock.h> #include <linux/of.h> +#include <linux/slab.h> #include <asm/udbg.h> #include <asm/io.h> @@ -72,7 +73,7 @@ static phys_addr_t muram_pbase; /* Max address size we deal with */ #define OF_MAX_ADDR_CELLS 4 -int __init cpm_muram_init(void) +int cpm_muram_init(void) { struct device_node *np; struct resource r; @@ -81,6 +82,9 @@ int __init cpm_muram_init(void) int i = 0; int ret = 0; + if (muram_pbase) + return 0; + spin_lock_init(&cpm_muram_lock); /* initialize the info header */ rh_init(&cpm_muram_info, 1, |