IRQ handling

[Ivan Loskutov]

Hello.

I try to implement touchscreen driver. I have resistive touchscreen and
this touchscreen used GPIO pin for interrupt on tap. I try to extend my
GPIO driver for this. I know how to handle IRQ in driver but I need to send
this IRQ event from GPIO driver to touchscreen driver. How to do it? I see
only polling from touchscreen driver. Or can I use other solution?

--
Ivan Loskutov
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