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Subject[PATCH] arch/powerpc: Use dma_zalloc_coherent
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
---
arch/powerpc/sysdev/fsl_rmu.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c
index 88b35a3d..8b0ebf3 100644
--- a/arch/powerpc/sysdev/fsl_rmu.c
+++ b/arch/powerpc/sysdev/fsl_rmu.c
@@ -756,15 +756,13 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
}

/* Initialize outbound message descriptor ring */
- rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
+ rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev,
rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
&rmu->msg_tx_ring.phys, GFP_KERNEL);
if (!rmu->msg_tx_ring.virt) {
rc = -ENOMEM;
goto out_dma;
}
- memset(rmu->msg_tx_ring.virt, 0,
- rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
rmu->msg_tx_ring.tx_slot = 0;

/* Point dequeue/enqueue pointers at first entry in ring */
--
2.7.4
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