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- From 8a3ab2f38f1669e3be6433a1f6b82a077b38c4c7 Mon Sep 17 00:00:00 2001
- From: Franky Lin <franky.lin@broadcom.com>
- Date: Wed, 16 May 2018 14:12:02 +0200
- Subject: [PATCH] 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>
- ---
- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 5 +++++
- 1 file changed, 5 insertions(+)
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
- @@ -180,6 +180,7 @@ static struct brcmf_firmware_mapping brc
- #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
- @@ -715,6 +716,10 @@ static void brcmf_pcie_handle_mb_data(st
- 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);
- + }
- }
-
-
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