Fixes the following W=1 kernel build warning(s):

 drivers/char/hw_random/pseries-rng.c:42: warning: Function parameter or member 'vdev' not described in 'pseries_rng_get_desired_dma'

Cc: Matt Mackall <redacted>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <redacted>
Cc: Lijun Pan <redacted>
Cc: "Uwe Kleine-König" <redacted>
Cc: Tyrel Datwyler <tyreld@linux.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michael Neuling <redacted>
Cc: linux-crypto@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Lee Jones <redacted>
---
 drivers/char/hw_random/pseries-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c
index f4949b689bd5a..62bdd5af1339f 100644
--- a/drivers/char/hw_random/pseries-rng.c
+++ b/drivers/char/hw_random/pseries-rng.c

@@ -29,7 +29,7 @@ static int pseries_rng_read(struct hwrng *rng, void *data, size_t max, bool wait
 	return 8;
 }
 
-/**
+/*
  * pseries_rng_get_desired_dma - Return desired DMA allocate for CMO operations
  *
  * This is a required function for a driver to operate in a CMO environment

-- 
2.31.1