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SubjectRe: [i2c] [PATCH take2] [POWERPC] i2c: adds support for i2c bus on 8xx
On Wed, 17 Oct 2007 21:20:37 +0200, Jochen Friedrich wrote:
> >> + /* Select an arbitrary address. Just make sure it is unique.
> >> + */
> >> + out_8(&i2c->i2c_i2add, 0xfe);
> >>
> >
> > It's a 7-bit address... and are you sure that 0x7e is unique? Does this
> > driver even support slave operation?
> >
>
> It's in fact 0x7F << 1. The same value is used in the 2.4 driver and
> in u-boot, as well. Slave operation is not supported.

I'm not sure what exactly you are doing here, but 0x7f isn't a valid
7-bit I2C address.

--
Jean Delvare
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