linux-kernel - Re: [PATCH net-next v3 09/19] net: ravb: Split GTI computation and set operations

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Date: Sat, 6 Jan 2024 22:58:34 +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>
CC: <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <geert+renesas@...der.be>, Claudiu Beznea
	<claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH net-next v3 09/19] net: ravb: Split GTI computation and
 set operations

On 1/5/24 11:23 AM, Claudiu wrote:

> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> ravb_set_gti() was computing the value of GTI based on the reference clock
> rate and then applied it to register. This was done on the driver's probe
> function. In order to implement runtime PM for all IP variants (as some IP
> variants switches to reset mode (and thus the registers content is lost)
> when module standby is configured through clock APIs) the GTI setup was
> split in 2 parts: one computing the value of the GTI register (done in the
> driver's probe function) and one applying the computed value to register
> (done in the driver's ndo_open API).
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

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

> ---
> 
> Changes in v3:
> - fixed typos in patch description
> - use u64 instead of uint64_t

   Well, u64 in one place, u32 in another...

> - remove ravb_wait() for setting GCCR.LTI

[...]

MBR, Sergey