netdev - Re: [PATCH net] net: airoha: fix PSE memory configuration in airoha_fe_pse_ports

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Message-ID: <Zuwf57d09WBYKtSS@lore-desk>
Date: Thu, 19 Sep 2024 14:58:15 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Simon Horman <horms@...nel.org>
Cc: Felix Fietkau <nbd@....name>, Sean Wang <sean.wang@...iatek.com>,
	Mark Lee <Mark-MC.Lee@...iatek.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org,
	upstream@...oha.com, Sayantan Nandy <sayantan.nandy@...oha.com>
Subject: Re: [PATCH net] net: airoha: fix PSE memory configuration in
 airoha_fe_pse_ports_init()

> On Wed, Sep 18, 2024 at 04:37:30PM +0200, Lorenzo Bianconi wrote:
> > Align PSE memory configuration to vendor SDK. In particular, increase
> > initial value of PSE reserved memory in airoha_fe_pse_ports_init()
> > routine by the value used for the second Packet Processor Engine (PPE2)
> > and do not overwrite the default value.
> > Moreover, store the initial value for PSE reserved memory in orig_val
> > before running airoha_fe_set_pse_queue_rsv_pages() in
> > airoha_fe_set_pse_oq_rsv routine.
> 
> Hi Lorenzo,

Hi Simon,

> 
> This patch seems to be addressing two issues, perhaps it would be best
> to split it into two patches?

ack, I will do.

> 
> And as a fix (or fixes) I think it would be best to describe the
> problem, typically a user-visible bug, that is being addressed.

This is not a user-visible bug, do you think it is better to post it to
net-next (when it is open)?

Regards,
Lorenzo

> 
> > Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
> > Tested-by: Sayantan Nandy <sayantan.nandy@...oha.com>
> > Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> 
> ...

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