mac80211: brcmfmac: backport PSM watchdog improvements
[openwrt/openwrt.git] / package / kernel / mac80211 / patches / 365-0002-brcmfmac-be-more-verbose-when-PSM-s-watchdog-fires.patch
1 From 36401cb7ffae731295a6dd1ce2b40d7ad74245f4 Mon Sep 17 00:00:00 2001
2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
3 Date: Mon, 30 Jan 2017 16:09:52 +0100
4 Subject: [PATCH] brcmfmac: be more verbose when PSM's watchdog fires
5 MIME-Version: 1.0
6 Content-Type: text/plain; charset=UTF-8
7 Content-Transfer-Encoding: 8bit
8
9 It's important to inform user so he knows things went wrong. He may also
10 want to get memory dump for further debugging purposes.
11
12 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
13 Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
14 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
15 ---
16 drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c | 12 ++++++++++--
17 1 file changed, 10 insertions(+), 2 deletions(-)
18
19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
21 @@ -58,10 +58,18 @@ static int brcmf_debug_psm_watchdog_noti
22 const struct brcmf_event_msg *evtmsg,
23 void *data)
24 {
25 + int err;
26 +
27 brcmf_dbg(TRACE, "enter: bsscfgidx=%d\n", ifp->bsscfgidx);
28
29 - return brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
30 - evtmsg->datalen);
31 + brcmf_err("PSM's watchdog has fired!\n");
32 +
33 + err = brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
34 + evtmsg->datalen);
35 + if (err)
36 + brcmf_err("Failed to get memory dump, %d\n", err);
37 +
38 + return err;
39 }
40
41 void brcmf_debugfs_init(void)