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wifi: carl9170: micro-optimize carl9170_tx_shift_bm()
authorYury Norov <yury.norov@gmail.com>
Wed, 26 Mar 2025 15:51:58 +0000 (11:51 -0400)
committerJeff Johnson <jeff.johnson@oss.qualcomm.com>
Wed, 21 May 2025 01:08:38 +0000 (18:08 -0700)
commit08e3cc13b0d050860f41b4eaaa21c789af968b98
tree91d3d35b069ca95a1d032983bc29cbe798a1b573tree
parentac4e317a95a1092b5da5b9918b7118759342641ccommit | diff
wifi: carl9170: micro-optimize carl9170_tx_shift_bm()

The function calls bitmap_empty() just before find_first_bit(). Both
functions are O(N). Because find_first_bit() returns >= nbits in case of
empty bitmap, the bitmap_empty() test may be avoided.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Link: https://patch.msgid.link/20250326155200.39895-1-yury.norov@gmail.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
drivers/net/wireless/ath/carl9170/tx.c diff | blob | history
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