linux-kernel - Re: [PATCH 4/4] drivers/mtd/nand/mpc5121_nfc.c: some devm

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Date:	Tue, 04 Sep 2012 12:54:13 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	David Woodhouse <dwmw2@...radead.org>,
	kernel-janitors@...r.kernel.org, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] drivers/mtd/nand/mpc5121_nfc.c: some devm_ cleanups

On Tue, 2012-09-04 at 11:44 +0200, Julia Lawall wrote:
> > I've been bitten by the same issue recently, also cause by one of these
> > cocci devm patches. devm_clk_get is only available if the generic
> > clk_get/clk_put implementation is used. Not all architectures do this and
> > some implement their own clk_get/clk_put, etc functions. Since devm_clk_get
> > is merely a wrapper around clk_get/clk_put there is no reason why it should
> > depend CLKDEV_LOOKUP. I've prepared a patch which makes them generically
> > available if the clk_get/clk_put are implemented (i.e. if HAVE_CLK is set),
> > but it is on a different machine right now, will try to submit it later today.
> 
> Sorry about this.  I wasn't aware that devm_clk_get wasn't supported by
> all architectures, and I have no way of compiling code for these
> architectures...  But I wonder why it is not, since devm-ness doesn't seem
> to have anything to do with architecture-specific details?  It would be
> really nice to have it for all architectures, because the clock functions
> are just as (or at least almost as) common as kzalloc, ioremap, etc.

It looks like Lars is going to fix this.

I am personally fine if you send patches without build-testing them.
Your patches are generally of good quality and you send many of them, so
build-testing each would be too much for you. And at least for MTD, I
can build-test myself.


-- 
Best Regards,
Artem Bityutskiy

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