Return-path: Received: from emh03.mail.saunalahti.fi ([62.142.5.109]:59168 "EHLO emh03.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751825AbaHSIXF (ORCPT ); Tue, 19 Aug 2014 04:23:05 -0400 Subject: [PATCH v7 3/8] ath10k: save firmware debug log messages To: ath10k@lists.infradead.org From: Kalle Valo Cc: linux-wireless@vger.kernel.org Date: Tue, 19 Aug 2014 11:23:00 +0300 Message-ID: <20140819082300.16842.40769.stgit@potku.adurom.net> (sfid-20140819_102309_290085_CD8802AE) In-Reply-To: <20140819082038.16842.46876.stgit@potku.adurom.net> References: <20140819082038.16842.46876.stgit@potku.adurom.net> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ben Greear They may be dumped through the firmware dump debugfs file. Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 23acbadeb8fa..eafc565240f1 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1290,6 +1290,16 @@ static int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb) trace_ath10k_wmi_dbglog(skb->data, skb->len); + spin_lock_bh(&ar->data_lock); + + /* First 4 bytes are a messages-dropped-due-to-overflow counter, + * and should not be recorded in the dbglog buffer, so we skip + * them. + */ + ath10k_debug_dbglog_add(ar, skb->data + 4, skb->len - 4); + + spin_unlock_bh(&ar->data_lock); + return 0; }