blob: b94e06fa44509e9ee7425957de9ab7ba33bf2b16 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
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);
+ }
}
|
