Commit 958f2d52 authored by Daniel Leung's avatar Daniel Leung Committed by Anas Nashif
Browse files

drivers/interrupt_controller: cavs_ictl: add get_line_state() 



This implements the new API to query whether a particular IRQ
line is enabled.

Signed-off-by: default avatarDaniel Leung <daniel.leung@intel.com>
parent d3e3552f

drivers/interrupt_controller/cavs_ictl.c

+15 −0
Original line number Diff line number Diff line
@@ -75,10 +75,25 @@ static inline unsigned int cavs_ictl_irq_get_state(struct device *dev) 
	return 1;

}



static int cavs_ictl_irq_get_line_state(struct device *dev, unsigned int irq)

{

	struct cavs_ictl_runtime *context = dev->driver_data;



	volatile struct cavs_registers * const regs =

			(struct cavs_registers *)context->base_addr;



	if ((regs->disable_state_il & BIT(irq)) == 0) {

		return 1;

	}



	return 0;

}



static const struct irq_next_level_api cavs_apis = {

	.intr_enable = cavs_ictl_irq_enable,

	.intr_disable = cavs_ictl_irq_disable,

	.intr_get_state = cavs_ictl_irq_get_state,

	.intr_get_line_state = cavs_ictl_irq_get_line_state,

};



static int cavs_ictl_0_initialize(struct device *port)

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