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From: Oliver Neukum <oneukum@suse.com>
To: Roland Dreier <roland@kernel.org>
Cc: Jakub Kicinski <kuba@kernel.org>,
	Greg KH <gregkh@linuxfoundation.org>,
	netdev@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH] CDC-NCM: remove "connected" log message
Date: Tue, 05 Jan 2021 15:04:54 +0100	[thread overview]
Message-ID: <de23e12b8714cf97477ff149e6ebf323795f963d.camel@suse.com> (raw)
In-Reply-To: <CAG4TOxM_Mq-Rcdi-pbY-KCMqqS5LmRD=PJszYkAjt7XGm8mc5Q@mail.gmail.com>

Am Montag, den 04.01.2021, 11:13 -0800 schrieb Roland Dreier:
> > > to preserve the legacy behavior rather than changing the behavior of
> > > every usbnet driver all at once?  Like make a new
> > > usbnet_get_link_ksettings_nonmdio and update only cdc_ncm to use it?
> > 
> > Then I would have to touch them all. The problem is that the MDIO
> > stuff really is pretty much a layering violation. It should never
> > have been default. But now it is.
> 
> I don't understand this.  Your 0001 patch changes the behavior of
> usbnet_get_link_ksettings() and you have to touch all of the 8 drivers
> that use it if you don't want to change their behavior.  If you keep
> the old usbnet_get_link_ksettings() and add
> usbnet_get_link_ksettings_nonmdio() then you can just update cdc_ncm
> to start with, and then gradually migrate other drivers.  And
> eventually fix the layering violation and get rid of the legacy
> function when the whole transition is done.

Hi,

now that you put it that way, I get the merit of what you are saying.
Very well. I will submit the first set of patches.

May I add your "Tested-by"?

	Regards
		Oliver



  reply	other threads:[~2021-01-05 14:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-16 17:23 cdc_ncm kernel log spam with trendnet 2.5G USB adapter Roland Dreier
2020-11-26 12:05 ` Oliver Neukum
     [not found] ` <3a9b2c8c275d56d9c7904cf9b5177047b196173d.camel@neukum.org>
2020-12-01 20:42   ` Roland Dreier
2020-12-19 22:21   ` Roland Dreier
2020-12-23  2:49     ` Jakub Kicinski
2020-12-23  3:01       ` Roland Dreier
2020-12-24  3:21       ` [PATCH] CDC-NCM: remove "connected" log message Roland Dreier
2020-12-24  7:53         ` Greg KH
2020-12-28 21:30           ` Jakub Kicinski
2020-12-29  7:56             ` Roland Dreier
2020-12-29 12:30               ` Oliver Neukum
     [not found]               ` <24c6faa2a4f91c721d9a7f14bb7b641b89ae987d.camel@neukum.org>
2020-12-29 19:50                 ` Roland Dreier
2020-12-30 11:03                   ` Oliver Neukum
2020-12-31 18:51                     ` Roland Dreier
2021-01-04 14:57                       ` Oliver Neukum
2021-01-04 19:13                         ` Roland Dreier
2021-01-05 14:04                           ` Oliver Neukum [this message]
2021-01-06  0:19                             ` Roland Dreier

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