linux-kernel - Re: [PATCH 1/1] net: ftgmac100: Fix Aspeed ast2600 TX hang issue

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Message-ID: <20201016153750.1c46de21@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 16 Oct 2020 15:37:50 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Dylan Hung <dylan_hung@...eedtech.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <ratbert@...aday-tech.com>,
        <linux-aspeed@...ts.ozlabs.org>, <openbmc@...ts.ozlabs.org>,
        <BMC-SW@...eedtech.com>
Subject: Re: [PATCH 1/1] net: ftgmac100: Fix Aspeed ast2600 TX hang issue

On Wed, 14 Oct 2020 14:06:32 +0800 Dylan Hung wrote:
> The new HW arbitration feature on Aspeed ast2600 will cause MAC TX to
> hang when handling scatter-gather DMA.  Disable the problematic feature
> by setting MAC register 0x58 bit28 and bit27.
> 
> Signed-off-by: Dylan Hung <dylan_hung@...eedtech.com>

Applied, thank you.