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Unverified Commit 43fac323 authored by Tony Xie's avatar Tony Xie Committed by Mark Brown
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regmap: add a new macro:REGMAP_IRQ_REG_LINE(_id, _reg_bits) 



if there are lots of irqs for a device and the register addresses for these
irqs is continuous, we can use this macro to initialize regmap_irq value.

Signed-off-by: default avatarTony Xie <tony.xie@rock-chips.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 65102238

include/linux/regmap.h

+6 −0
Original line number Diff line number Diff line
@@ -1110,6 +1110,12 @@ struct regmap_irq { 
#define REGMAP_IRQ_REG(_irq, _off, _mask)		\

	[_irq] = { .reg_offset = (_off), .mask = (_mask) }



#define REGMAP_IRQ_REG_LINE(_id, _reg_bits) \

	[_id] = {				\

		.mask = BIT((_id) % (_reg_bits)),	\

		.reg_offset = (_id) / (_reg_bits),	\

	}



/**

 * struct regmap_irq_chip - Description of a generic regmap irq_chip.

 *