hwrng: pseries - Use KBUILD_MODNAME in pseries-rng.c

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c
index 5f11979..9dbeed3 100644
--- a/drivers/char/hw_random/pseries-rng.c
+++ b/drivers/char/hw_random/pseries-rng.c
@@ -21,7 +21,6 @@
 #include <linux/hw_random.h>
 #include <asm/vio.h>
 
-#define MODULE_NAME "pseries-rng"
 
 static int pseries_rng_data_read(struct hwrng *rng, u32 *data)
 {
@@ -47,7 +46,7 @@
 };
 
 static struct hwrng pseries_rng = {
-	.name		= MODULE_NAME,
+	.name		= KBUILD_MODNAME,
 	.data_read	= pseries_rng_data_read,
 };
 
@@ -70,7 +69,7 @@
 MODULE_DEVICE_TABLE(vio, pseries_rng_driver_ids);
 
 static struct vio_driver pseries_rng_driver = {
-	.name = MODULE_NAME,
+	.name = KBUILD_MODNAME,
 	.probe = pseries_rng_probe,
 	.remove = pseries_rng_remove,
 	.get_desired_dma = pseries_rng_get_desired_dma,