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Diffstat (limited to 'package/kernel/mac80211/patches/335-v4.18-0005-brcmfmac-trigger-memory-dump-upon-firmware-halt-sign.patch')
-rw-r--r--package/kernel/mac80211/patches/335-v4.18-0005-brcmfmac-trigger-memory-dump-upon-firmware-halt-sign.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/335-v4.18-0005-brcmfmac-trigger-memory-dump-upon-firmware-halt-sign.patch b/package/kernel/mac80211/patches/335-v4.18-0005-brcmfmac-trigger-memory-dump-upon-firmware-halt-sign.patch
new file mode 100644
index 0000000000..b94e06fa44
--- /dev/null
+++ b/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);
++ }
+ }
+
+