linux-kernel - Re: [net-next RFC PATCH 0/3] net: phy: detach PHY driver OPs from phy

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Date: Sat, 17 Feb 2024 23:21:44 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Michael Hennerich <michael.hennerich@...log.com>,
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Subject: Re: [net-next RFC PATCH 0/3] net: phy: detach PHY driver OPs from
 phy_driver struct

On Sat, Feb 17, 2024 at 08:41:11PM +0100, Christian Marangi wrote:
> Posting as RFC due to the massive change to a fundamental struct.
> 
> While adding some PHY ID for Aquantia, I notice that there is a
> big problem with duplicating OPs with each PHY.
> 
> The original idea to prevent this was to use mask on the PHY ID
> and identify PHY Family. Problem is that OEM started to use all
> kind of PHY ID and this is not doable, hence for PHY that have
> the same OPs, we have to duplicate all of them.
> 
> This is present in Aquantia PHY, but is much more present in
> other PHY, especially in the BCM7XXX where they use a big macro
> for common PHYs.
> 
> To reduce patch delta, I added the additional variable without
> adding tabs as this would have resulted in a massive patch.
> Also to have patch bisectable, this change has to be in one go
> hence I had to use this trick to reduce patch delta.

To me, this makes the code look ugly. I also expect many text editors
which understand indentation will be unhappy, saying the indentation is
wrong.

>  64 files changed, 737 insertions(+), 291 deletions(-)

These statistics are not good. If you had deleted more lines than you
added, then maybe it might be an O.K. idea.

Sometimes KISS is best.

	Andrew