From: Eran Harary Date: Tue, 10 Feb 2015 07:25:50 +0000 (+0200) Subject: iwlwifi: mvm: don't write to DBGC_OUT_CTRL when stopping the recording X-Git-Tag: v4.1-rc1~128^2~295^2~16 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3c118cdb9cd8c8425320f5153054250c5b93d8c0;p=karo-tx-linux.git 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 Signed-off-by: Emmanuel Grumbach --- diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index ca38e9817374..ab81124c6029 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -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);