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Commit 7811eade authored by Sabyasachi Gupta's avatar Sabyasachi Gupta Committed by Scott Wood
Browse files

arch/powerpc/fsl_rmu: Use dma_zalloc_coherent 



Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: default avatarSabyasachi Gupta <sabyasachi.linux@gmail.com>
Signed-off-by: default avatarScott Wood <oss@buserror.net>
parent 8c6c942d

arch/powerpc/sysdev/fsl_rmu.c

+1 −3
Original line number Diff line number Diff line
@@ -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 */