RE: About GPIO interrupt function with sysfs

[Tomoya MORINAGA]

Hi Grant, 

On Friday, March 04, 2011 3:57 AM, Grant Likely wrote:
> I don't know.  I'll need to dig into that code before I can 
> answer.  I suggest digging into it yourself to figure out the 
> answer as I cannot promise that I'll get to it anytime soon.

Seeing "gpio_to_irq" of another architecture (e.g. ARM), there is significant code in it.
In addition, you can see "Not implemented, yet" description in "arch/x86/include/asm/gpio.h"
Thus, I suspect that x86 GPIO sysfs can't support interrupt function at present.

Thanks,
-----------------------------------------
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.

--
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/