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Message-ID: <5c33fc3e-5ca7-a0da-acff-32b2e7a38dd9@omp.ru>
Date: Sat, 16 Dec 2023 20:10:45 +0300
From: Sergey Shtylyov <s.shtylyov@....ru>
To: Claudiu <claudiu.beznea@...on.dev>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<richardcochran@...il.com>, <p.zabel@...gutronix.de>,
	<yoshihiro.shimoda.uh@...esas.com>, <wsa+renesas@...g-engineering.com>,
	<geert+renesas@...der.be>
CC: <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Claudiu Beznea
	<claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH net-next v2 12/21] net: ravb: Move ptp initialization in
 the driver's ndo_open API for ccc_gac platorms

On 12/14/23 2:45 PM, Claudiu wrote:

> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> The initialization sequence for PTP is the same for platforms with ccc_gac
> and gptp (according to chapter "Figure 50.71 Flow of gPTP Initialization
> (Normal, Common to All Modes)" of the R-Car Series, 3rd generation hardware
   Figure is hardly a chapter. :-)

> manual and chapter "Figure 37A.53 Flow of gPTP Initialization (Normal,

   Here as well...

> Common to All Modes)" of the RZ/G Series hardware manual).
> 
> As some IP variants switch to reset mode (and thus registers' content is

   The register content.

> lost) when setting clocks (due to module standby functionality) to be able
> to implement runtime PM, move the PTP initialization to the driver's
> ndo_open API.
> 
> This commit prepares the code for the addition of runtime PM.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>

[...]

MBR, Sergey

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