Re: [PATCH v5] ARM: imx: Add basic imx6q cpu thermal management

[Sascha Hauer]

On Wed, Jun 20, 2012 at 09:12:51AM -0500, Rob Lee wrote:
> Sascha, thanks for the review.
> 
> >> +
> >> +static struct imx6q_thermal_zone     *th_zone;
> >> +static void __iomem                  *ocotp_base;
> >
> > This is a driver and drivers should generally be multi instance safe.
> >
> 
> I don't understand what this comment is referring to.  Could you elaborate?

Drivers can only be multi instance safe when all variables are inside a
instance specific struct and you pass a pointer to this struct around.
What if the i.MX7 has two different ocotp_base and you want to use this
driver on both ocotp?

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/