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[V2,6/6] brcmfmac: trigger memory dump on SDIO firmware halt message

Message ID 1526472723-15758-7-git-send-email-arend.vanspriel@broadcom.com (mailing list archive)
State Accepted
Commit b8248236e92790ac635caeb4156e46ea2417e037
Delegated to: Kalle Valo
Headers show

Commit Message

Arend van Spriel May 16, 2018, 12:12 p.m. UTC 
From: Franky Lin <franky.lin@broadcom.com>

Attempt to dump dongle memory for debug upon receiving firmware halt
message through dongle to host mail box interrupt.

Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 412a05b..c99a191 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -1072,8 +1072,10 @@  static u32 brcmf_sdio_hostmail(struct brcmf_sdio *bus)
 	bus->sdcnt.f1regdata += 2;
 
 	/* dongle indicates the firmware has halted/crashed */
-	if (hmb_data & HMB_DATA_FWHALT)
+	if (hmb_data & HMB_DATA_FWHALT) {
 		brcmf_err("mailbox indicates firmware halted\n");
+		brcmf_dev_coredump(&sdiod->func1->dev);
+	}
 
 	/* Dongle recomposed rx frames, accept them again */
 	if (hmb_data & HMB_DATA_NAKHANDLED) {