linux-kernel - Re: [PATCH v2 5/6] PCI: brcmstb: Add panic/die handler to RC driver

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Message-ID: <8117e3d5-eac7-d686-98d8-7854c77c142e@gmail.com>
Date:   Mon, 30 Nov 2020 13:28:13 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Jim Quinlan <james.quinlan@...adcom.com>,
        linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        broonie@...nel.org, bcm-kernel-feedback-list@...adcom.com
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 5/6] PCI: brcmstb: Add panic/die handler to RC driver



On 11/30/2020 1:11 PM, Jim Quinlan wrote:
> Whereas most PCIe HW returns 0xffffffff on illegal accesses and the like,
> by default Broadcom's STB PCIe controller effects an abort.  This simple
> handler determines if the PCIe controller was the cause of the abort and if
> so, prints out diagnostic info.
> 
> Example output:
>   brcm-pcie 8b20000.pcie: Error: Mem Acc: 32bit, Read, @0x38000000
>   brcm-pcie 8b20000.pcie:  Type: TO=0 Abt=0 UnspReq=1 AccDsble=0 BadAddr=0
> 
> Signed-off-by: Jim Quinlan <james.quinlan@...adcom.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian