Question2: Determine subarch type

Alexander Shiyan shc_work at mail.ru
Sun Dec 9 04:55:51 EST 2012


On Sun, 9 Dec 2012 09:51:38 +0000
Russell King - ARM Linux <linux at arm.linux.org.uk> wrote:

> On Sun, Dec 09, 2012 at 10:51:17AM +0400, Alexander Shiyan wrote:
> > How can we determine the sub-architecture type from the driver code?
> > For example, we are building a multi-platform kernel for subarch A and B.
> > One of the drivers should be used for subarch A only, and can not be used for
> > subarch B. So, we need to avoid load this driver for other sub-architectures.
> > Of course, we can check all machines in the subarch with machine_is_xx() macro,
> > but I think that this is not the best way to do it.
> > Do we have another way to do this?
> 
> You control this by only registering the appropriate struct devices rather
> than controlling this in the driver.

Yes, but if driver is compiled as module?

-- 
Alexander Shiyan <shc_work at mail.ru>



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