linux-kernel - Re: [PATCH] net: bcmgenet: Revert "Use stronger register read/writes to assure ordering"

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Date:   Wed, 13 Apr 2022 10:00:54 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Jeremy Linton <jeremy.linton@....com>, netdev@...r.kernel.org
Cc:     opendmb@...il.com, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, pbrobinson@...il.com,
        bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: bcmgenet: Revert "Use stronger register read/writes
 to assure ordering"



On 4/12/2022 2:04 PM, Jeremy Linton wrote:
> It turns out after digging deeper into this bug, that it was being
> triggered by GCC12 failing to call the bcmgenet_enable_dma()
> routine. Given that a gcc12 fix has been merged [1] and the genet
> driver now works properly when built with gcc12, this commit should
> be reverted.
> 
> [1]
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105160
> https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=aabb9a261ef060cf24fd626713f1d7d9df81aa57
> 
> Fixes: 8d3ea3d402db ("net: bcmgenet: "Use stronger register read/writes to assure ordering")
> Signed-off-by: Jeremy Linton <jeremy.linton@....com>

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