xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ath9k: Fix baseband watchdog interrupts

Browse Source 
Program the required baseband watchdog interrupt
mask to ensure that the correct watchdog interrupts
are raised when the BB is hung for some reason.

Also, use the capability HW_BB_WATCHDOG instead of
relying on other flags.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan
2013-12-24 10:44:22 +05:30
committed by John W. Linville
parent a7abaf7da9
commit a6bb860be4
3 changed files with 27 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/net/wireless/ath/ath9k/mac.c
View File

@@ -922,11 +922,29 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah)
mask2 |= AR_IMR_S2_CST;
}
if (ah->config.hw_hang_checks & HW_BB_WATCHDOG) {
if (ints & ATH9K_INT_BB_WATCHDOG) {
mask |= AR_IMR_BCNMISC;
mask2 |= AR_IMR_S2_BB_WATCHDOG;
}
}
ath_dbg(common, INTERRUPT, "new IMR 0x%x\n", mask);
REG_WRITE(ah, AR_IMR, mask);
ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
AR_IMR_S2_TSFOOR | AR_IMR_S2_GTT | AR_IMR_S2_CST);
ah->imrs2_reg &= ~(AR_IMR_S2_TIM |
AR_IMR_S2_DTIM |
AR_IMR_S2_DTIMSYNC |
AR_IMR_S2_CABEND |
AR_IMR_S2_CABTO |
AR_IMR_S2_TSFOOR |
AR_IMR_S2_GTT |
AR_IMR_S2_CST);
if (ah->config.hw_hang_checks & HW_BB_WATCHDOG) {
if (ints & ATH9K_INT_BB_WATCHDOG)
ah->imrs2_reg &= ~AR_IMR_S2_BB_WATCHDOG;
}
ah->imrs2_reg |= mask2;
REG_WRITE(ah, AR_IMR_S2, ah->imrs2_reg);