Re: [PATCH v2] Bitbanging i2c bus driver using the GPIO API

From: Haavard Skinnemoen
Date: Mon Mar 12 2007 - 11:31:18 EST


On Mon, 12 Mar 2007 16:11:09 +0100
Jean Delvare <khali@xxxxxxxxxxxx> wrote:

> > By the way, timeout seems to be hardcoded to 100 jiffies in the
> > i2c-algo-bit driver, so there's probably not much point passing it from
> > the board code when it's going to be overridden anyway. I'll add just a
> > udelay parameter to the platform struct for now.
>
> No, it's not hardcoded. I know it looks confusing. struct i2c_adapter
> has a timeout field, that's the one being set to 100 in i2c-algo-bit,
> but i2c-algo-bit uses the i2c_algo_bit_data timeout field. The
> i2c_adapter timeout field is unused.

Ah, I see. Now that you mention it, I seem to recall I came to that
conclusion last time I looked at the code, but I've apparently forgotten
it since then ;)

I'll add a timeout field to the platform struct as well, then.

Haavard
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