[v2,for-4.9,24/32] brcmfmac: be more verbose when PSM's watchdog fires

Message ID 1491388344-13521-25-git-send-email-amit.pundir@linaro.org
State New
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Series
  • Stable commits picked up from lede project
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Commit Message

Amit Pundir April 5, 2017, 10:32 a.m.
From: Rafał Miłecki <rafal@milecki.pl>


It's important to inform user so he knows things went wrong. He may also
want to get memory dump for further debugging purposes.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

(cherry picked from commit 36401cb7ffae731295a6dd1ce2b40d7ad74245f4)
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>

---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

-- 
2.7.4

Patch

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
index 6f8a4b0..f4644cf 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -58,10 +58,18 @@  static int brcmf_debug_psm_watchdog_notify(struct brcmf_if *ifp,
 					   const struct brcmf_event_msg *evtmsg,
 					   void *data)
 {
+	int err;
+
 	brcmf_dbg(TRACE, "enter: bsscfgidx=%d\n", ifp->bsscfgidx);
 
-	return brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
-					  evtmsg->datalen);
+	brcmf_err("PSM's watchdog has fired!\n");
+
+	err = brcmf_debug_create_memdump(ifp->drvr->bus_if, data,
+					 evtmsg->datalen);
+	if (err)
+		brcmf_err("Failed to get memory dump, %d\n", err);
+
+	return err;
 }
 
 void brcmf_debugfs_init(void)