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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: 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>
This commit is contained in:
Franky Lin 2018-05-16 14:12:02 +02:00 committed by Kalle Valo
parent d2af9b5665
commit 8a3ab2f38f
1 changed files with 5 additions and 0 deletions
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5
drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
View File

@ -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);
}
}