From: Franky Lin Date: Wed, 16 May 2018 12:12:03 +0000 (+0200) Subject: brcmfmac: trigger memory dump on SDIO firmware halt message X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b8248236e92790ac635caeb4156e46ea2417e037;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Franky Lin Signed-off-by: Arend van Spriel Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 412a05b9a2b2..c99a191e8d69 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) {