linux-kernel - Re: [GIT PATCH] char/misc patches for 3.10-rc1

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Date:	Mon, 29 Apr 2013 13:12:54 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	David Brown <davidb@...eaurora.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Nicolas Pitre <nico@...xnic.net>
Subject: Re: [GIT PATCH] char/misc patches for 3.10-rc1

On Mon, Apr 29, 2013 at 12:54 PM, Arnd Bergmann <arnd@...db.de> wrote:
>
> I think there are good reasons for most of the drivers we have moved out
> of arch/arm to stay out of there: we have added subdirectories for a lot
> of drivers that are alike:

Maybe. But this one is NOT such a case, and I saw Nico making excuses
for it on lkml.

There are other things wrong with that whole SSBI driver crap that you
seem to be ignoring:

 - it's not a bus, it's just a driver. Just because some people call
it "serial bus" doesn't make it magically about a "bus". I can call an
ethernet driver an "ethernet bus driver", and it may be technically
correct, but it is still bullshit. And ethernet is damn more a real
bus than that SSBI driver is. That's just a pure serial driver for a
very specific piece of embedded hardware. Stop calling it a bus.

 - The whole Kconfig thing is complete and utter garbage. There is no
excuse what-so-ever for ever asking the user about it. Not on x86, not
on ARM. The drivers that actually *use* that magical serial line
driver should just have selected it.

 - I'm not seeing what commonalities this thing can have with anything
else. Did anybody look at the code? There's nothing generic there.

So move it to a saner place, fix the kconfig idiocy, and don't make
noises as if it's some generic driver, much less some generic bus.
It's not.

                Linus
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