linux-kernel - Re: [PATCH] net: ftgmac100: Fix missing TX-poll issue

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Message-ID: <CACPK8XdPB0wnvuvwxO5BST7EzDuPqGcjHTkZm=7A0ZofzyXHag@mail.gmail.com>
Date:   Tue, 27 Oct 2020 02:18:41 +0000
From:   Joel Stanley <joel@....id.au>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:     Dylan Hung <dylan_hung@...eedtech.com>,
        Andrew Jeffery <andrew@...id.au>,
        BMC-SW <BMC-SW@...eedtech.com>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        Po-Yu Chuang <ratbert@...aday-tech.com>,
        netdev <netdev@...r.kernel.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH] net: ftgmac100: Fix missing TX-poll issue

On Mon, 26 Oct 2020 at 22:22, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
>
> On Fri, 2020-10-23 at 13:08 +0000, Dylan Hung wrote:
> > The issue was found on our test chip (ast2600 version A0) which is
> > just for testing and won't be mass-produced.  This HW bug has been
> > fixed on ast2600 A1 and later versions.
> >
> > To verify the HW fix, I run overnight iperf and kvm tests on
> > ast2600A1 without this patch, and get stable result without hanging.
> > So I think we can discard this patch.
>
> This is great news. Thanks !

That is excellent news. I agree; we do not need fixes for A0 issues to
be kept in the mainline kernel. Thanks for updating us Dylan.

Cheers,

Joel