diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-11-08 22:54:47 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-10 00:13:24 +0300 |
| commit | 4df3071ebd92ef7115b409da64d0eb405d24a631 (patch) | |
| tree | 825eaecb9d9e8d0fde7f61e5f98fdd823ccef718 /drivers/net/wireless/ath/ath9k/gpio.c | |
| parent | 790a11f268373b60069bc1371dc05143107c607c (diff) | |
| download | linux-4df3071ebd92ef7115b409da64d0eb405d24a631.tar.xz | |
ath9k_hw: optimize interrupt mask changes
OProfile showed that ath9k was spending way too much time in
ath9k_hw_set_interrupts. Since most of the interrupt mask changes only
need to globally enable/disable interrupts, it makes sense to split
this part into separate functions, replacing all calls to
ath9k_hw_set_interrupts(ah, 0) with ath9k_hw_disable_interrupts(ah).
ath9k_hw_set_interrupts(ah, ah->imask) only gets changed to
ath9k_hw_enable_interrupts(ah), whenever ah->imask was not changed
since the point where interrupts were disabled.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/gpio.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/gpio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index 4a9a68bba324..db9c6fed799c 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -259,7 +259,7 @@ static void ath9k_gen_timer_start(struct ath_hw *ah, ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period); if ((ah->imask & ATH9K_INT_GENTIMER) == 0) { - ath9k_hw_set_interrupts(ah, 0); + ath9k_hw_disable_interrupts(ah); ah->imask |= ATH9K_INT_GENTIMER; ath9k_hw_set_interrupts(ah, ah->imask); } @@ -273,7 +273,7 @@ static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer) /* if no timer is enabled, turn off interrupt mask */ if (timer_table->timer_mask.val == 0) { - ath9k_hw_set_interrupts(ah, 0); + ath9k_hw_disable_interrupts(ah); ah->imask &= ~ATH9K_INT_GENTIMER; ath9k_hw_set_interrupts(ah, ah->imask); } |