On Sun, Sep 28, 2003 at 03:15:07PM +0200, Jean Delvare wrote: > > > > In the detect function, why is memset called on client data before > > > it is filled? > > > > Because the struct device burried in that structure needs to be set to > > 0 before the register function is called. > > This doesn't answer my question. I know what memset does. What I don't > know is why this is done, or, to make my question more precise, why it > is done in 2.6 and wasn't in 2.4. Again, we have to initialize a struct device to 0 before register is called, otherwise we oops the kernel. 2.4 does not have a struct device in the i2c code (or anywhere actually...) But hey, don't trust me, try not doing it and see what happens :) > Mmm, maybe I get it now. You plan to introduce an i2c_set_clientdata > function in 2.4, which will access client->data instead of client->dev > as it is the case in 2.6. Is that it? Yes, that's it. > OK, I've made the requested changes, plus some others. Document > attached. Looks good, thanks for doing this. greg k-h