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iwlwifi: mvm: don't write to DBGC_OUT_CTRL when stopping the recording 

Due to HW bug in the DBGC when driver want to stop the dbg recording it
should wait 100us before collecting the data instead of write 0 to
DBGC_OUT_CTRL.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eran Harary 2015-02-10 09:25:50 +02:00 committed by Emmanuel Grumbach
parent 1f9403863c
commit 3c118cdb9c
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/iwlwifi/mvm/fw.c
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@ -458,7 +458,8 @@ void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm)
iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100);
} else {
iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0);
iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, 0);
/* wait before we collect the data till the DBGC stop */
udelay(100);
}
schedule_work(&mvm->fw_error_dump_wk);