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Commit a95fbbfa authored by Swetha Chikkaboraiah's avatar Swetha Chikkaboraiah Committed by Gerrit - the friendly Code Review server
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irqchip: gic-v3: Add support to get pending irqs 



Add APIs to show pending interrupts in GIC.

Change-Id: Ifb7e515a06d6eb1fda82e0287e6c8084f4707c99
Signed-off-by: default avatarSwetha Chikkaboraiah <schikk@codeaurora.org>
parent 464112e0

drivers/irqchip/irq-gic-v3.c

+23 −0
Original line number Diff line number Diff line
@@ -344,6 +344,29 @@ static int gic_suspend(void) 
	return 0;

}



/*

 * gic_show_pending_irq - Shows the pending interrupts

 * Note: Interrupts should be disabled on the cpu from which

 * this is called to get accurate list of pending interrupts.

 */

void gic_show_pending_irqs(void)

{

	void __iomem *base;

	u32 pending, enabled;

	unsigned int j;



	base = gic_data.dist_base;

	for (j = 0; j * 32 < gic_data.irq_nr; j++) {

		enabled = readl_relaxed(base +

					GICD_ISENABLER + j * 4);

		pending = readl_relaxed(base +

					GICD_ISPENDR + j * 4);

		pr_err("Pending and enabled irqs[%d] %x %x\n", j,

				pending, enabled);



	}

}



static void gic_show_resume_irq(struct gic_chip_data *gic)

{

	unsigned int i;

include/linux/irqchip/arm-gic-v3.h

+1 −0
Original line number Diff line number Diff line
@@ -594,6 +594,7 @@ struct rdists { 
};



struct irq_domain;

void gic_show_pending_irqs(void);

struct fwnode_handle;

int its_cpu_init(void);

int its_init(struct fwnode_handle *handle, struct rdists *rdists,