[PATCH 2.6.34-rc4 1/8] mx5: Add registration of GPIOs for MX51 Babbage board.

Sascha Hauer s.hauer at pengutronix.de
Wed Apr 14 02:51:31 EDT 2010


On Tue, Apr 13, 2010 at 12:36:07PM -0700, Nguyen Dinh-R00091 wrote:
> > +
> > +#ifdef MXC_GPIO_SPLIT_IRQ_2
> 
> Where is that macro defined?
> [Dinh-FSL] - This macro is optional so that the interrupts can be broken
> up into 2 sets.

What's the purpose of doing so?

Such compile time depencies are not a good idea since the board may want
to decide whether to split the interrupts or not. Note that we support
kernels for more than one board.

Sascha

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