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References: <20230307181940.868828-1-helgaas@kernel.org> <20230307181940.868828-4-helgaas@kernel.org>
In-Reply-To: <20230307181940.868828-4-helgaas@kernel.org>
From:   Michael Chan <michael.chan@broadcom.com>
Date:   Tue, 7 Mar 2023 16:21:43 -0800
Message-ID: <CACKFLikL137Wi-qe4ZDG+mztpqDrysyb+=y2igMVjWg6V83i7A@mail.gmail.com>
Subject: Re: [PATCH 03/28] bnx2: Drop redundant pci_enable_pcie_error_reporting()
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     "David S . Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
        Rasesh Mody <rmody@marvell.com>, GR-Linux-NIC-Dev@marvell.com
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On Tue, Mar 7, 2023 at 10:20=E2=80=AFAM Bjorn Helgaas <helgaas@kernel.org> =
wrote:
>
> From: Bjorn Helgaas <bhelgaas@google.com>
>
> pci_enable_pcie_error_reporting() enables the device to send ERR_*
> Messages.  Since f26e58bf6f54 ("PCI/AER: Enable error reporting when AER =
is
> native"), the PCI core does this for all devices during enumeration, so t=
he
> driver doesn't need to do it itself.
>
> Remove the redundant pci_enable_pcie_error_reporting() call from the
> driver.  Also remove the corresponding pci_disable_pcie_error_reporting()
> from the driver .remove() path.
>
> Note that this only controls ERR_* Messages from the device.  An ERR_*
> Message may cause the Root Port to generate an interrupt, depending on th=
e
> AER Root Error Command register managed by the AER service driver.
>
> cd709aa90648 ("bnx2: Add PCI Advanced Error Reporting support.") added
> pci_enable_pcie_error_reporting() for all devices, and c239f279e571 ("bnx=
2:
> Enable AER on PCIE devices only") restricted it to BNX2_CHIP_5709 devices
> to avoid an error message when it failed on non-PCIe devices.  The PCI co=
re
> only enables PCIe error reporting on PCIe devices, which I assume means
> BNX2_CHIP_5709.
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Rasesh Mody <rmody@marvell.com>
> Cc: GR-Linux-NIC-Dev@marvell.com
> Cc: Michael Chan <michael.chan@broadcom.com>

Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Thanks.

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