OpenWrt
| /branches/gl-inet/package/kernel/mac80211/patches/335-v4.18-0006-brcmfmac-trigger-memory-dump-on-SDIO-firmware-halt-m.patch |
|---|
| @@ -0,0 +1,30 @@ |
| From b8248236e92790ac635caeb4156e46ea2417e037 Mon Sep 17 00:00:00 2001 |
| From: Franky Lin <franky.lin@broadcom.com> |
| Date: Wed, 16 May 2018 14:12:03 +0200 |
| Subject: [PATCH] brcmfmac: trigger memory dump on SDIO firmware halt message |
| 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> |
| Signed-off-by: Kalle Valo <kvalo@codeaurora.org> |
| --- |
| drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 4 +++- |
| 1 file changed, 3 insertions(+), 1 deletion(-) |
| --- 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 br |
| 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) { |