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iwlwifi: pcie: clean RFKILL interrupt in AMPG 

Newer firmware don't clean the RFKILL interrupt in APMG, do
it in driver instead.
If we forget to do so, we can't send HCMD to firmware while
the NIC is in RFKILL state.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2013-07-25 13:14:34 +03:00 committed by Johannes Berg
parent 5a258aaeec
commit 889b169650
2 changed files with 5 additions and 0 deletions
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2
drivers/net/wireless/iwlwifi/iwl-prph.h
View File

@ -97,6 +97,8 @@
#define APMG_PCIDEV_STT_VAL_L1_ACT_DIS (0x00000800)
#define APMG_RTC_INT_STT_RFKILL (0x10000000)
/* Device system time */
#define DEVICE_SYSTEM_TIME_REG 0xA0206C

3
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -220,6 +220,9 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans)
iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG,
APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
/* Clear the interrupt in APMG if the NIC is in RFKILL */
iwl_write_prph(trans, APMG_RTC_INT_STT_REG, APMG_RTC_INT_STT_RFKILL);
set_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status);
out: