[U-Boot] [PATCH] mtd: nand: let the raw NAND devices be compiled upon selection

Jagan Teki
2018-11-05T05:02:34Z

On Mon, Oct 29, 2018 at 2:37 PM Miquel Raynal <miquel.raynal@bootlin.com> wrote:
>
> Hi Jagan,
>
> Jagan Teki <jagan@amarulasolutions.com> wrote on Tue, 23 Oct 2018
> 16:40:05 +0530:
>
> > On Thu, Oct 11, 2018 at 3:05 PM Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> > >
> > > Today way is to rely on CMD_NAND to be selected and from the root
> > > Makefile compile what is in drivers/mtd/nand/raw.
> > >
> > > While this will work most of the time with decent configurations, it
> > > is better to also compile this subsystem upon simple request in the
> > > configuration. Otherwise, a user not selecting CMD_NAND but selecting
> > > NAND and any of the controller drivers will not see their build. Fix
> > > this weird situation by adding a single line in the nand/ directory
> > > Kconfig file.
> > >
> > > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > > ---
> > > drivers/mtd/nand/Makefile | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
> > > index a358bc680e..2c33447995 100644
> > > --- a/drivers/mtd/nand/Makefile
> > > +++ b/drivers/mtd/nand/Makefile
> > > @@ -2,4 +2,5 @@
> > >
> > > nandcore-objs := core.o bbt.o
> > > obj-$(CONFIG_MTD_NAND_CORE) += nandcore.o
> > > +obj-$(CONFIG_NAND) += raw/
> >
> > But we even source raw Kconfig path, isn't it? and also how about
> > remove this from root Makefile?
>
> What do you mean by "we even source raw Kconfig path"? It was not
> sourced before this modification unless CMD_NAND was selected.
>
> I agree we should also remove this link between a path being
> compiled and a CMD_* symbol in the root Makefile. It will probably
> produce a lot of errors though. I'll try when I'll have some time.

OK, but If it can't fire any issue as of now, may be we do full cleanup later.