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Commit 8a3ab2f3 authored by Franky Lin's avatar Franky Lin Committed by Kalle Valo
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brcmfmac: trigger memory dump upon firmware halt signal 



PCIe dongle firmware signals a halt/trap through mailbox interrupt.
Trigger a memory dump upon receiving such signal could help to provide
useful information for issue debug.

Reviewed-by: default avatarArend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: default avatarFranky Lin <franky.lin@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent d2af9b56

drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c

+5 −0
Original line number Diff line number Diff line
@@ -182,6 +182,7 @@ static const struct brcmf_firmware_mapping brcmf_pcie_fwnames[] = { 
#define BRCMF_D2H_DEV_D3_ACK			0x00000001

#define BRCMF_D2H_DEV_DS_ENTER_REQ		0x00000002

#define BRCMF_D2H_DEV_DS_EXIT_NOTE		0x00000004

#define BRCMF_D2H_DEV_FWHALT			0x10000000



#define BRCMF_H2D_HOST_D3_INFORM		0x00000001

#define BRCMF_H2D_HOST_DS_ACK			0x00000002
@@ -717,6 +718,10 @@ static void brcmf_pcie_handle_mb_data(struct brcmf_pciedev_info *devinfo) 
		devinfo->mbdata_completed = true;

		wake_up(&devinfo->mbdata_resp_wait);

	}

	if (dtoh_mb_data & BRCMF_D2H_DEV_FWHALT) {

		brcmf_dbg(PCIE, "D2H_MB_DATA: FW HALT\n");

		brcmf_dev_coredump(&devinfo->pdev->dev);

	}

}