Return-path: Received: from mga09.intel.com ([134.134.136.24]:24060 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753018AbbCATcX (ORCPT ); Sun, 1 Mar 2015 14:32:23 -0500 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Eran Harary , Emmanuel Grumbach Subject: [PATCH 16/31] iwlwifi: mvm: don't write to DBGC_OUT_CTRL when stopping the recording Date: Sun, 1 Mar 2015 21:31:29 +0200 Message-Id: <1425238304-498-16-git-send-email-emmanuel.grumbach@intel.com> (sfid-20150301_203419_808458_48988252) In-Reply-To: <1425238186.30202.5.camel@egrumbacBox> References: <1425238186.30202.5.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Eran Harary 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 --- drivers/net/wireless/iwlwifi/mvm/fw.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index ca38e98..ab81124 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); -- 1.9.1