[PATCH v8 6/6] mtd: nand: omap: updated devm_xx for all resource allocation and free calls

[Tony Lindgren]

* Brian Norris <computersforpeace at gmail.com> [131011 11:23]:
> Hi Pekon,
> 
> On Fri, Oct 11, 2013 at 07:06:43PM +0530, Pekon Gupta wrote:
> > "Managed Device Resource" or devm_xx calls takes care of automatic freeing
> > of the resource in case of:
> > - failure during driver probe
> > - failure during resource allocation
> > - detaching or unloading of driver module (rmmod)
> > Reference: Documentation/driver-model/devres.txt
> > 
> > Though OMAP NAND driver handles freeing of resource allocation in most of
> > the cases, but using devm_xx provides more clean and effortless approach
> > to handle all such cases.
> 
> Judging by your patch, I think you missed the point of the devm_*
> managed functions. They are useful because you don't need to do any of
> the cleanup (kfree(), iounmap(), etc.) yourself. I'll note the changes
> that are necessary below, but seeing as this is an add-on to your patch
> series, I may merge the rest of series without this, and if so, you can
> just resubmit this patch separately.

FYI, the .dts changes should be queued separately by Benoit to avoid
pointless merge conflicts. The arch/arm/mach-omap2/gpmc.c changes I
need to look, hopefully I can ack those for you today so you can take
the code related changes into the MTD tree.

Regards,

Tony