diff options
| author | P Praneesh <ppranees@codeaurora.org> | 2021-11-12 12:02:45 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-11-15 12:21:54 +0300 |
| commit | a8508bf7ced2e43f30b46333f09cbc79a1675616 (patch) | |
| tree | ca851b13f7f4be5c12070c5a6a50e4058607393d /drivers/net/wireless/ath/ath11k/hal.c | |
| parent | d0e2523bfa9cb391fe966b0b6948c7e438981361 (diff) | |
| download | linux-a8508bf7ced2e43f30b46333f09cbc79a1675616.tar.xz | |
ath11k: remove mod operator in dst ring processing
Replace use of mod operator with a manual wrap around
to avoid additional cost of using mod operation.
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01734-QCAHKSWPL_SILICONZ-1 v2
Co-developed-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: P Praneesh <ppranees@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1630560820-21905-10-git-send-email-ppranees@codeaurora.org
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/hal.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/hal.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c index f04edafbd0f1..7cf9e23cb922 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -654,8 +654,11 @@ u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, desc = srng->ring_base_vaddr + srng->u.dst_ring.tp; - srng->u.dst_ring.tp = (srng->u.dst_ring.tp + srng->entry_size) % - srng->ring_size; + srng->u.dst_ring.tp += srng->entry_size; + + /* wrap around to start of ring*/ + if (srng->u.dst_ring.tp == srng->ring_size) + srng->u.dst_ring.tp = 0; /* Try to prefetch the next descriptor in the ring */ if (srng->flags & HAL_SRNG_FLAGS_CACHED) |