linux-kernel - Re: [PATCH v11 10/11] PCI: brcmstb: Set bus max burst size by chip type

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200910162243.GA473672@bogus>
Date:   Thu, 10 Sep 2020 10:22:43 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jim Quinlan <james.quinlan@...adcom.com>
Cc:     linux-pci@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        Robin Murphy <robin.murphy@....com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v11 10/11] PCI: brcmstb: Set bus max burst size by chip
 type

On Mon, 24 Aug 2020 15:30:23 -0400, Jim Quinlan wrote:
> From: Jim Quinlan <jquinlan@...adcom.com>
> 
> The proper value of the parameter SCB_MAX_BURST_SIZE varies per chip.  The
> 2711 family requires 128B whereas other devices can employ 512.  The
> assignment is complicated by the fact that the values for this two-bit
> field have different meanings;
> 
>   Value   Type_Generic    Type_7278
> 
>      00       Reserved         128B
>      01           128B         256B
>      10           256B         512B
>      11           512B     Reserved
> 
> Signed-off-by: Jim Quinlan <jquinlan@...adcom.com>
> Acked-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/pci/controller/pcie-brcmstb.c | 19 +++++++++++++++----
>  1 file changed, 15 insertions(+), 4 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>