diff options
| author |   Shiraz Saleem <shiraz.saleem@intel.com> | 2017-12-22 09:46:55 -0600 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2017-12-22 13:37:51 -0700 |
| commit | 8758768ad8aa9fc0d56417315dec65b610fc3a21 (patch) | |
| tree | 1116f92251be999cd39cfc5e9dd856feabd02484 /drivers/infiniband/hw/i40iw/i40iw_uk.c | |
| parent | i40iw: Set MAX_IRD_SIZE to 64 (diff) | |
| download | linux-dev-8758768ad8aa9fc0d56417315dec65b610fc3a21.tar.xz linux-dev-8758768ad8aa9fc0d56417315dec65b610fc3a21.zip | |
i40iw: Use utility function roundup_pow_of_two()
Consolidate all power of 2 round calculations to
use kernel utility function roundup_pow_of_two().
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/i40iw/i40iw_uk.c')
| -rw-r--r-- | drivers/infiniband/hw/i40iw/i40iw_uk.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c index 3ec5389a81a1..8afa5a67a86b 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_uk.c +++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c @@ -894,20 +894,6 @@ exit: } /** - * i40iw_qp_roundup - return round up QP WQ depth - * @wqdepth: WQ depth in quantas to round up - */ -static int i40iw_qp_round_up(u32 wqdepth) -{ - int scount = 1; - - for (wqdepth--; scount <= 16; scount *= 2) - wqdepth |= wqdepth >> scount; - - return ++wqdepth; -} - -/** * i40iw_get_wqe_shift - get shift count for maximum wqe size * @sge: Maximum Scatter Gather Elements wqe * @inline_data: Maximum inline data size @@ -934,7 +920,7 @@ void i40iw_get_wqe_shift(u32 sge, u32 inline_data, u8 *shift) */ enum i40iw_status_code i40iw_get_sqdepth(u32 sq_size, u8 shift, u32 *sqdepth) { - *sqdepth = i40iw_qp_round_up((sq_size << shift) + I40IW_SQ_RSVD); + *sqdepth = roundup_pow_of_two((sq_size << shift) + I40IW_SQ_RSVD); if (*sqdepth < (I40IW_QP_SW_MIN_WQSIZE << shift)) *sqdepth = I40IW_QP_SW_MIN_WQSIZE << shift; @@ -953,7 +939,7 @@ enum i40iw_status_code i40iw_get_sqdepth(u32 sq_size, u8 shift, u32 *sqdepth) */ enum i40iw_status_code i40iw_get_rqdepth(u32 rq_size, u8 shift, u32 *rqdepth) { - *rqdepth = i40iw_qp_round_up((rq_size << shift) + I40IW_RQ_RSVD); + *rqdepth = roundup_pow_of_two((rq_size << shift) + I40IW_RQ_RSVD); if (*rqdepth < (I40IW_QP_SW_MIN_WQSIZE << shift)) *rqdepth = I40IW_QP_SW_MIN_WQSIZE << shift; |