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c52054e568
This improves FullMAC firmware compatibility, adds logging in case of
firmware crash and *may* fix "Invalid packet id" errors.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 8888cb725d)
33 lines
1.3 KiB
Diff
33 lines
1.3 KiB
Diff
From 99d94ef367af67f630b38c93ff46c5819b7d06b6 Mon Sep 17 00:00:00 2001
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From: Wright Feng <Wright.Feng@cypress.com>
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Date: Thu, 25 Apr 2019 07:05:46 +0000
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Subject: [PATCH] brcmfmac: send mailbox interrupt twice for specific hardware
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device
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For PCIE wireless device with core revision less than 14, device may miss
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PCIE to System Backplane Interrupt via PCIEtoSBMailbox. So add sending
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mail box interrupt twice as a hardware workaround.
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Signed-off-by: Wright Feng <wright.feng@cypress.com>
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Reviewed-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 | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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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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@@ -698,7 +698,11 @@ brcmf_pcie_send_mb_data(struct brcmf_pci
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brcmf_pcie_write_tcm32(devinfo, addr, htod_mb_data);
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pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
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- pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
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+
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+ /* Send mailbox interrupt twice as a hardware workaround */
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+ core = brcmf_chip_get_core(devinfo->ci, BCMA_CORE_PCIE2);
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+ if (core->rev <= 13)
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+ pci_write_config_dword(devinfo->pdev, BRCMF_PCIE_REG_SBMBX, 1);
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return 0;
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}
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