[PATCH v2 11/35] ath10k: optimize ath10k_snoc_napi_poll() by using find_bit()

Yury Norov
2023-12-03T19:33:52Z

ath10k_snoc_napi_poll() traverses pending_ce_irqs bitmap bit by bit.
We can do it faster by using for_each_test_and_clear_bit() iterator.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
drivers/net/wireless/ath/ath10k/snoc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 2c39bad7ebfb..a1db5a973780 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -1237,11 +1237,10 @@ static int ath10k_snoc_napi_poll(struct napi_struct *ctx, int budget)
return done;
}

- for (ce_id = 0; ce_id < CE_COUNT; ce_id++)
- if (test_and_clear_bit(ce_id, ar_snoc->pending_ce_irqs)) {
- ath10k_ce_per_engine_service(ar, ce_id);
- ath10k_ce_enable_interrupt(ar, ce_id);
- }
+ for_each_test_and_clear_bit(ce_id, ar_snoc->pending_ce_irqs, CE_COUNT) {
+ ath10k_ce_per_engine_service(ar, ce_id);
+ ath10k_ce_enable_interrupt(ar, ce_id);
+ }

done = ath10k_htt_txrx_compl_task(ar, budget);

--
2.40.1