diff options
Diffstat (limited to 'package/kernel/mac80211/patches/328-ath9k-fix-processing-RXORN-interrupts.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/328-ath9k-fix-processing-RXORN-interrupts.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/328-ath9k-fix-processing-RXORN-interrupts.patch b/package/kernel/mac80211/patches/328-ath9k-fix-processing-RXORN-interrupts.patch new file mode 100644 index 0000000000..e9dbc6820e --- /dev/null +++ b/package/kernel/mac80211/patches/328-ath9k-fix-processing-RXORN-interrupts.patch @@ -0,0 +1,33 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Sat, 18 Oct 2014 13:31:52 +0200 +Subject: [PATCH] ath9k: fix processing RXORN interrupts + +The "goto chip_reset" is a bit misleading, because it does not actually +issue a chip reset. Instead it is bypassing processing of other +interrupts and assumes that the tasklet will issue a chip reset. + +In the case of RXORN this does not happen, so bypassing processing of +other interrupts will simply allow them to fire again. Even if RXORN +was triggering a reset, it is not critical enough to need the bypass +here. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -545,11 +545,10 @@ irqreturn_t ath_isr(int irq, void *dev) + sched = true; + + /* +- * If a FATAL or RXORN interrupt is received, we have to reset the +- * chip immediately. ++ * If a FATAL interrupt is received, we have to reset the chip ++ * immediately. + */ +- if ((status & ATH9K_INT_FATAL) || ((status & ATH9K_INT_RXORN) && +- !(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA))) ++ if (status & ATH9K_INT_FATAL) + goto chip_reset; + + if ((ah->config.hw_hang_checks & HW_BB_WATCHDOG) && |