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SubjectRe: [PATCH-v3] Support M95040 SPI EEPROM

> > > > + /*
> > > > + * Certain EEPROMS have a size that is larger than the number of address
> > > > + * bytes would allow (e.g. like M95040 from ST that has 512 Byte size
> > > > + * but uses only one address byte (A0 to A7) for addressing.) For
> > > > + * the extra address bit (A8, A16 or A24) bit 3 of the instruction byte
> > > > + * is used. This instruction bit is normally defined as don't care for
> > > > + * other AT25 like chips.
> > > > + */
> > > > +#define EE_INSTR_BIT3_IS_ADDR 0x0010
> > >
> > > Is there some guarantee that this chip flag will always have this
> > > meaning?
> >
> > ? This is a driver flag.
>
> Sorry, I don't see it set anywhere, so unclear on where it comes from.
> I thought it was from a generic spi probe.

Yeah, agreed, 'struct spi_eeprom' does not sound much like platform_data :/
Thanks for checking.

--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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