[PATCH] mtd: spi-nor: add dt support for Everspin MRAMs

[Uwe Kleine-König]

On Mon, Jan 16, 2017 at 02:55:01PM +0100, Rafał Miłecki wrote:
> On 16 January 2017 at 14:35, Uwe Kleine-König
> <u.kleine-koenig at pengutronix.de> wrote:
> > The MR25 family doesn't support JEDEC, so they need explicit mentioning
> > in the list of supported spi IDs. This makes it possible to add these
> > using for example:
> >
> >         compatible = "everspin,mr25h40";
> >
> > Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> > ---
> > Hello,
> >
> > independent of the decision if -nonjedec is ok for m25p, this is needed
> > to make Everspin's MRAMs work.
> >
> > Best regards
> > Uwe
> >
> >  drivers/mtd/devices/m25p80.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
> > --- a/drivers/mtd/devices/m25p80.c
> > +++ b/drivers/mtd/devices/m25p80.c
> > @@ -305,6 +305,11 @@ static const struct spi_device_id m25p_ids[] = {
> >         {"m25p40-nonjedec"},    {"m25p80-nonjedec"},    {"m25p16-nonjedec"},
> >         {"m25p32-nonjedec"},    {"m25p64-nonjedec"},    {"m25p128-nonjedec"},
> >
> > +       /* Everspin MRAMs without JEDEC support */
> > +       { "mr25h256" }, /* 256 kib, 40 MHz */
> 
> A trivial thing: I think it should be Kib
> https://en.wikipedia.org/wiki/Binary_prefix

Oh, really? 10^3 = k and 2^10 = Ki, stange. Should I resend for that?

Best regards
Uwe

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