2011-11-15 06:03:30

by Mohammed Shafi Shajakhan

[permalink] [raw]
Subject: [RFC 07/18] ath9k_hw: take care of enabling MCI interrupts

From: Mohammed Shafi Shajakhan <[email protected]>

enable MCI interrupt when ath9k_hw_enable_interrupts is called,
like during the completion of chip_reset before which the interrupts
are disabled

Signed-off-by: Mohammed Shafi Shajakhan <[email protected]>
---
drivers/net/wireless/ath/ath9k/mac.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index ecdb6fd..9d69320 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -798,6 +798,7 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
u32 sync_default = AR_INTR_SYNC_DEFAULT;
+ u32 async_mask;

if (!(ah->imask & ATH9K_INT_GLOBAL))
return;
@@ -812,13 +813,16 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah)
if (AR_SREV_9340(ah))
sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;

+ async_mask = AR_INTR_MAC_IRQ;
+
+ if (ah->imask & ATH9K_INT_MCI)
+ async_mask |= AR_INTR_ASYNC_MASK_MCI;
+
ath_dbg(common, ATH_DBG_INTERRUPT, "enable IER\n");
REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
- AR_INTR_MAC_IRQ);
- REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
-
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, async_mask);
+ REG_WRITE(ah, AR_INTR_ASYNC_MASK, async_mask);

REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
REG_WRITE(ah, AR_INTR_SYNC_MASK, sync_default);
--
1.7.0.4