[PATCH v2 1/7] spi/imx: do not make copy of spi_imx_devtype_data

Lothar Waßmann LW at KARO-electronics.de
Mon Jul 11 03:32:32 EDT 2011


Hi,

Shawn Guo writes:
> On Mon, Jul 11, 2011 at 09:15:34AM +0200, Lothar Waßmann wrote:
> > Hi,
> > 
> > Shawn Guo writes:
> > > spi_imx_devtype_data has already been driver private data.  There is
> > > really no need to make a copy in spi_imx_data.  Instead, a reference
> > > pointer works perfectly fine.
> > > 
> > You obviously overlooked, that the copy is done on purpose to keep
> > only the data that is actually needed and discard everything else
> > after initialisation.
> > 
> I did not overlook that, as I removed __devinitdata there.
> 
But now you keep the whole array of which only one entry is being
used instead of only the used entry.


Lothar Waßmann
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