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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Florian Fainelli <f.fainelli@gmail.com>, netdev@vger.kernel.org
Subject: Re: [PATCH v2 00/13] ftgmac100: Rework batch 1 - Link & Interrupts
Date: Wed, 05 Apr 2017 15:53:15 +1000	[thread overview]
Message-ID: <1491371595.4166.77.camel@kernel.crashing.org> (raw)
In-Reply-To: <2344b1ea-f8bc-7491-4662-b8a3e94fb94e@gmail.com>

On Tue, 2017-04-04 at 21:21 -0700, Florian Fainelli wrote:
> 
> This looks pretty good to me, two minor things:
> 
> - most drivers keep track of the old status/duplex/pause/link variables
> instead of the current one which is already available within struct
> phy_device, any particular reason for not doing like the other drivers?

We don't necessarily have a phydev attached when using NC-SI, so it was
easier to have the core code path not have to go fishing for those
settings in different places based on whether we're using NC-SI or not.

> - the need to reset the HW during link changes is just ... well too bad

Yup but there's little choice. The HW wants it. I don't see any real
point in optimizing that path mind you. Losing a few packets around
a link change isn't going to hurt and it keeps the code a lot simpler
by having a single "re-init" path.

> With that:
> 
> > Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>

Thanks !

I'll post batch 2 in the next couple of days which tackles the RX path.

Cheers,
Ben.

  reply	other threads:[~2017-04-05  5:53 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-05  2:28 [PATCH v2 00/13] ftgmac100: Rework batch 1 - Link & Interrupts Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 01/13] ftgmac100: Use netdev->irq instead of private copy Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 02/13] ftgmac100: Remove "banner" comments Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 03/13] ftgmac100: Reorder struct fields and comment Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 04/13] ftgmac100: Remove "enabled" flags Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 05/13] ftgmac100: Cleanup speed/duplex tracking and fix duplex config Benjamin Herrenschmidt
2017-04-05 14:58   ` Andrew Lunn
2017-04-05  2:28 ` [PATCH v2 06/13] ftgmac100: Split ring alloc, init and rx buffer alloc Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 07/13] ftgmac100: Move napi_add/del to open/close Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 08/13] ftgmac100: Request the interrupt only after HW is reset Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 09/13] ftgmac100: Move the bulk of inits to a separate function Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 10/13] ftgmac100: Add a reset task and use it for link changes Benjamin Herrenschmidt
2017-04-05 15:00   ` Andrew Lunn
2017-04-05  2:28 ` [PATCH v2 11/13] ftgmac100: Rework MAC reset and init Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 12/13] ftgmac100: Remove useless tests in interrupt handler Benjamin Herrenschmidt
2017-04-05  2:28 ` [PATCH v2 13/13] ftgmac100: Rework NAPI & interrupts handling Benjamin Herrenschmidt
2017-04-05  4:21 ` [PATCH v2 00/13] ftgmac100: Rework batch 1 - Link & Interrupts Florian Fainelli
2017-04-05  5:53   ` Benjamin Herrenschmidt [this message]
2017-04-05  6:02     ` Florian Fainelli
2017-04-05  6:31       ` Benjamin Herrenschmidt
2017-04-06 19:46         ` Florian Fainelli
2017-04-06 21:46           ` Benjamin Herrenschmidt
2017-04-06 19:38 ` David Miller

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