On Mon, Nov 5, 2018 at 7:52 AM Sabyasachi Gupta <sabyasachi.li...@gmail.com> wrote: > > Replaced dma_alloc_coherent + memset with dma_zalloc_coherent > > Signed-off-by: Sabyasachi Gupta <sabyasachi.li...@gmail.com>
Any comment on this patch? > --- > 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 >