Janusz Krzysztofik 60c3bf3f12 OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing ... This patch introduces a Fast Interrupt Request (FIQ) handler for Amstrad Delta (E3) videophone. The handler's purpose is to process interrupts generated by a GPIO line that a serial keyboard clock hangs off. It collects consecutive bits into words, pushing them into a buffer, then requests a higher level interrupt after one or more words are ready for further processing by a keyboard port driver. The handler also processes interrupts generated by two other GPIO lines, used by other on-board supported devices, by simply requesting a higher level interrupt, that in turn should invoke those device's specific irq handlers. IRQ12 line, not used by OMAP1510 hardware (described as reserved), has been choosen as a higher level interrupt source. Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Tony Lindgren <tony@atomide.com>		2010-05-05 11:11:10 -07:00
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mach	OMAP1: Amstrad Delta: add FIQ handler for serial keyboardport interrupt processing	2010-05-05 11:11:10 -07:00