From: Luis R. Rodriguez Date: Mon, 26 Apr 2010 19:04:41 +0000 (-0400) Subject: ath9k_hw: Fix TX interrupt mitigation settings X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5bea40069e46542f5691ec5771edc53e0ca58d71;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git ath9k_hw: Fix TX interrupt mitigation settings TX interrupt mitigation reduces the number of interrupts by addressing several interrupt actions (AR_IMR_TXOK, AR_IMR_TXDESC) all in one interrupt so when enabling it discard setting the other interrupts. Without this TX interrupt mitigation would actually increase the number of interrupts two-fold. We still leave TX interrupt mitigation disabled as it is still being tested. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 7bbf502563bc..0e425cb4bbb1 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -878,10 +878,12 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, if (ints & ATH9K_INT_TX) { if (ah->config.tx_intr_mitigation) mask |= AR_IMR_TXMINTR | AR_IMR_TXINTM; - if (ah->txok_interrupt_mask) - mask |= AR_IMR_TXOK; - if (ah->txdesc_interrupt_mask) - mask |= AR_IMR_TXDESC; + else { + if (ah->txok_interrupt_mask) + mask |= AR_IMR_TXOK; + if (ah->txdesc_interrupt_mask) + mask |= AR_IMR_TXDESC; + } if (ah->txerr_interrupt_mask) mask |= AR_IMR_TXERR; if (ah->txeol_interrupt_mask)