Re: [PATCH V1 1/2] i2c: tegra: make all resource allocation throughdevm_*

From: Wolfram Sang
Date: Sat May 12 2012 - 10:42:49 EST

On Mon, May 07, 2012 at 10:18:45AM -0600, Stephen Warren wrote:
> On 05/07/2012 12:46 AM, Laxman Dewangan wrote:
> > Use the devm_* for the memory region allocation, interrupt request,
> > clock handler request.
> > By doing this, it does not require to explicitly free it and hence
> > saving some code.
> >
> > Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> Acked-by: Stephen Warren <swarren@xxxxxxxxxxxxx>
> Note thought that devm_clk_get() appears to have been introduced very
> recently in linux-next, so in order to merge this patch one of the
> following has to happen:
> a) This patch goes through the tree that merged the addition of
> devm_clk_get() (which I think is Russell King's ARM tree)

I think it would be way more fitting if those go in via I2C.

> b) Whichever tree takes this patch must first merge a branch that
> contains that patch that adds devm_clk_get().

I have been pointed recently to subtle bugs when converting to devm_*.
Even more, there is still the ongoing idea of platform_devm_* to
simplify further. I need to scratch my head about those in general, but
I won't do this before my 10 day vacation starting tomorrow. Until I am
done with that, the devm_get_clock is probably in mainline. While devm_*
patches are nice, they are not really critical. So, I prefer to take
some extra time to get it right.



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