linux-kernel - Re: [linux-sunxi] Re: [PATCH 1/2] Initial support for Allwinner's Security ID fuses

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Date:	Tue, 30 Jul 2013 19:39:03 +0200
From:	Oliver Schinagl <oliver+list@...inagl.nl>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	Oliver Schinagl <oliver@...inagl.nl>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux-sunxi@...glegroups.com, arnd@...db.de,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	andy.shevchenko@...il.com, linux@....linux.org.uk,
	linus.walleij@...aro.org
Subject: Re: [linux-sunxi] Re: [PATCH 1/2] Initial support for Allwinner's
 Security ID fuses

On 30-07-13 16:20, Greg KH wrote:
> On Tue, Jul 30, 2013 at 03:22:55PM +0200, Oliver Schinagl wrote:
>>> Let me go look at how I can make this work "easier", give me a few days.
>> Not wanting to be rude, but it has been a little more then a few
>> days, any progress? Just want to know what I have to modify my
>> driver to so it can go into the next merge window :)
>
> What?  Oh crap.
>
> I saw this old email in my todo box last week and for some stupid reason
> I thought I had already taken care of this, otherwise why would I have
> left it around for so long?...
>
> Ugh, very sorry about that...
>
> Hm, this is a mess.  I hate platform devices...
>
> Anyway, as you want to get this into 3.12, and I'm not going to be able
> to get the core infrastructure into the platform device by then, just go
> ahead and do a sysfs_create_group() call in your device probe callback
> for now.  That will register the needed files for the device (not the
> driver, DOH that was stupid of me...) and all should be ok.
>
> Yes, you will still race with userspace, but as right now, there's no
> way that _any_ platform driver can do this "correctly", you will be in
> good company.  I'll clean up all platform drivers in a sweep of the tree
> after 3.12 or so when I get the needed infrastructure in place for the
> platform_driver code.
>
> Again, very sorry for all of this, you have helped me out a lot in
> figuring out that this is a mess, and should be fixed up better, but in
> the end, you are pretty much back at the beginning of what you
> originally wanted to do, right?
Alright, I'll modify it to use sysfs_create_group() and try to leave it 
as much as it is no to ease the transition.
>
> I owe you a beer, at the least, my apologies...
Pff, free booze is far better ;) I kid I kid, though Maxime helped a lot 
there.

Ok expect a v6 I think for review and hopefully merge tomorrow.

oliver

>
> greg k-h
>

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