Re: [PATCH-v3] Support M95040 SPI EEPROM
From: Wolfram Sang
Date: Wed Apr 04 2012 - 04:00:08 EST
On Wed, Apr 04, 2012 at 09:21:57AM +0200, Ivo Sieben wrote:
> Hi,
>
> Op 3 april 2012 19:17 heeft Wolfram Sang <w.sang@xxxxxxxxxxxxxx> het
> volgende geschreven:
> >
> >> > > > +#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.
>
> The flag is indeed used in the platform initialization to enable the
> "address bit" behavior, so you don't see it set anywhere in this patch
> (and not anywhere in the kernel, since no board uses this flag yet).
>
> Is it OK if we leave this patch like this?
Yes. This is a useful extension and there will be boards using it.
Thanks,
Wolfram
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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