b26214adb5
The most important is probably regression fix in handling platform
NVRAM. That bug stopped hardware from being properly calibrated breaking
e.g. 5 GHz for Netgear R8000.
Other than that it triggers memory dumps when experiencing firmware
problems which is important for debugging purposes.
Fixes: 7e8eb7f309 ("mac80211: backport brcmfmac firmware & clm_blob loading rework")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
38 lines
1.4 KiB
Diff
38 lines
1.4 KiB
Diff
From 8a3ab2f38f1669e3be6433a1f6b82a077b38c4c7 Mon Sep 17 00:00:00 2001
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From: Franky Lin <franky.lin@broadcom.com>
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Date: Wed, 16 May 2018 14:12:02 +0200
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Subject: [PATCH] brcmfmac: trigger memory dump upon firmware halt signal
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PCIe dongle firmware signals a halt/trap through mailbox interrupt.
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Trigger a memory dump upon receiving such signal could help to provide
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useful information for issue debug.
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Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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@@ -182,6 +182,7 @@ static const struct brcmf_firmware_mappi
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#define BRCMF_D2H_DEV_D3_ACK 0x00000001
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#define BRCMF_D2H_DEV_DS_ENTER_REQ 0x00000002
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#define BRCMF_D2H_DEV_DS_EXIT_NOTE 0x00000004
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+#define BRCMF_D2H_DEV_FWHALT 0x10000000
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#define BRCMF_H2D_HOST_D3_INFORM 0x00000001
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#define BRCMF_H2D_HOST_DS_ACK 0x00000002
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@@ -717,6 +718,10 @@ static void brcmf_pcie_handle_mb_data(st
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devinfo->mbdata_completed = true;
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wake_up(&devinfo->mbdata_resp_wait);
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}
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+ if (dtoh_mb_data & BRCMF_D2H_DEV_FWHALT) {
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+ brcmf_dbg(PCIE, "D2H_MB_DATA: FW HALT\n");
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+ brcmf_dev_coredump(&devinfo->pdev->dev);
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+ }
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}
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