/branches/gl-inet/package/kernel/mac80211/patches/335-v4.18-0005-brcmfmac-trigger-memory-dump-upon-firmware-halt-sign.patch |
@@ -0,0 +1,38 @@ |
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 |
@@ -182,6 +182,7 @@ static const struct brcmf_firmware_mappi |
#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(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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