On Thursday 01 September 2011, Jonathan Cameron wrote:
> On 08/31/11 20:45, Andrew Chew wrote:
> >> Subject: [PATCH 1/3] staging:iio:magnetometer:ak8975 Don't 
> >> use irq_to_gpio()
> >>
> >> Tegra doesn't have irq_to_gpio() any more, and ak8975 is included in
> >> tegra_defconfig. This causes a build failure. Solve this with 
> >> a heavy-handed
> >> method for now.
> >>
> >> I suspect the long-term solution is to pass both the IRQ and GPIO IDs
> >> to the driver; the GPIO ID coming from either platform data, 
> >> or perhaps
> >> enhancing struct i2c_client to add a gpio field alongside irq.
> >>
> >> Signed-off-by: Stephen Warren <[email protected]>
> >> ---
> > 
> > The three patches in this set LGTM.
> > 
> > Acked-by: Andrew Chew <[email protected]> 
> > 
> 
> Hmm.. I'd like to see some means of passing that in. Perhaps as simple as 
> passing
> a pointer to an int in as platform_data.  Patch to follow.

My feeling is that we should just add another field to
struct i2c_client. There are probably more drivers that
need the same thing, making it appropriate to increase
the size of that struct for everything device instead of
adding platform_data to a subset of the devices.

        Arnd
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