netdev - Re: [net PATCH 2/9] octeontx2-af: mcs: Write TCAM_DATA and TCAM

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Message-ID: <20230423164749.GD4782@unreal>
Date:   Sun, 23 Apr 2023 19:47:49 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Geetha sowjanya <gakula@...vell.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kuba@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com, richardcochran@...il.com, sgoutham@...vell.com,
        sbhatta@...vell.com, hkelam@...vell.com
Subject: Re: [net PATCH 2/9] octeontx2-af: mcs: Write TCAM_DATA and TCAM_MASK
 registers at once

On Sun, Apr 23, 2023 at 03:24:47PM +0530, Geetha sowjanya wrote:
> From: Subbaraya Sundeep <sbhatta@...vell.com>
> 
> As per hardware errata on CN10KB, all the four TCAM_DATA
> and TCAM_MASK registers has to be written at once otherwise
> write to individual registers will fail. Hence write to all
> TCAM_DATA registers and then to all TCAM_MASK registers.
> 
> Fixes: cfc14181d497 ("octeontx2-af: cn10k: mcs: Manage the MCS block hardware resources")
> Signed-off-by: Subbaraya Sundeep <sbhatta@...vell.com>
> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
> Signed-off-by: Geetha sowjanya <gakula@...vell.com>
> ---
>  drivers/net/ethernet/marvell/octeontx2/af/mcs.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>