Re: [PATCH] infiniband/hw/hns/hns_roce_hw_v2.c: Use dma_zalloc_coherent

From: Sabyasachi Gupta
Date: Mon Nov 12 2018 - 07:04:58 EST


On Sat, Nov 10, 2018 at 11:57 AM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
>
> On Fri, Nov 9, 2018 at 8:08 PM Sabyasachi Gupta
> <sabyasachi.linux@xxxxxxxxx> wrote:
> >
> > Replaced dma_alloc_coherent + memset with dma_zalloc_coherent
>
> There are few other places in this file where same is applicable.
> Can we get those changes in same patch ?
> >
as all the changes are now in linux-next I am going to drop this patch

> > Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
> > ---
> > drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> > index a4c62ae..c9966ec 100644
> > --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> > +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> > @@ -4972,13 +4972,12 @@ static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev,
> > eqe_alloc = i * (buf_chk_sz / eq->eqe_size);
> > size = (eq->entries - eqe_alloc) * eq->eqe_size;
> > }
> > - eq->buf[i] = dma_alloc_coherent(dev, size,
> > + eq->buf[i] = dma_zalloc_coherent(dev, size,
> > &(eq->buf_dma[i]),
> > GFP_KERNEL);
> > if (!eq->buf[i])
> > goto err_dma_alloc_buf;
> >
> > - memset(eq->buf[i], 0, size);
> > *(eq->bt_l0 + i) = eq->buf_dma[i];
> >
> > eq_buf_cnt++;
> > --
> > 2.7.4
> >