On Tue, Jul 30, 2019 at 02:16:01PM +0300, Gal Pressman wrote: > On 30/07/2019 11:56, Lijun Ou wrote: > > It needs to check the sq size with integrity when configures > > the relatived parameters of sq. Here moves the relatived code > > into a special function. > > > > Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx> > > drivers/infiniband/hw/hns/hns_roce_qp.c | 29 ++++++++++++++++++++++------- > > 1 file changed, 22 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c > > index 9c272c2..35ef7e2 100644 > > +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c > > @@ -324,16 +324,12 @@ static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev, > > return 0; > > } > > > > -static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, > > - struct ib_qp_cap *cap, > > - struct hns_roce_qp *hr_qp, > > - struct hns_roce_ib_create_qp *ucmd) > > +static int check_sq_size_with_integrity(struct hns_roce_dev *hr_dev, > > + struct ib_qp_cap *cap, > > + struct hns_roce_ib_create_qp *ucmd) > > { > > u32 roundup_sq_stride = roundup_pow_of_two(hr_dev->caps.max_sq_desc_sz); > > u8 max_sq_stride = ilog2(roundup_sq_stride); > > - u32 ex_sge_num; > > - u32 page_size; > > - u32 max_cnt; > > > > /* Sanity check SQ size before proceeding */ > > if ((u32)(1 << ucmd->log_sq_bb_count) > hr_dev->caps.max_wqes || > > @@ -349,6 +345,25 @@ static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, > > return -EINVAL; > > } > > > > + return 0; > > +} > > + > > +static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev, > > + struct ib_qp_cap *cap, > > + struct hns_roce_qp *hr_qp, > > + struct hns_roce_ib_create_qp *ucmd) > > +{ > > + u32 ex_sge_num; > > + u32 page_size; > > + u32 max_cnt; > > + int ret; > > + > > + ret = check_sq_size_with_integrity(hr_dev, cap, ucmd); > > + if (ret) { > > + dev_err(hr_dev->dev, "Sanity check sq size fail\n"); > > Consider using ibdev_err, same applies for other patches. It would be good if driver authors would convert their drivers to use the new interfaces Jason