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Commit 3a04e9ae authored by Raghavendra Kakarla's avatar Raghavendra Kakarla
Browse files

drivers: qcom: mpm: Use GIC fwspec translation for MPM-GIC 



Client drivers request GIC interrupt number which needs to be
translated to hwirq so that right MPM pin can be retrieved.

Change-Id: Ib952c94da9889df9757c7ba224e4655e478dacca
Signed-off-by: default avatarRaghavendra Kakarla <rkakarla@codeaurora.org>
parent c8aad111

drivers/irqchip/qcom/mpm.c

+26 −1
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/irq.h>

#include <linux/tick.h>

#include <linux/irqchip.h>

#include <linux/irqchip/arm-gic-v3.h>

#include <linux/irqdomain.h>

#include <linux/interrupt.h>

#include<linux/ktime.h>
@@ -296,10 +297,34 @@ static int msm_mpm_gic_chip_translate(struct irq_domain *d, 
	if (is_of_node(fwspec->fwnode)) {

		if (fwspec->param_count < 3)

			return -EINVAL;



		switch (fwspec->param[0]) {

		case 0:			/* SPI */

			*hwirq = fwspec->param[1] + 32;

			break;

		case 1:			/* PPI */

			*hwirq = fwspec->param[1] + 16;

			break;

		case GIC_IRQ_TYPE_LPI:	/* LPI */

			*hwirq = fwspec->param[1];

			break;

		default:

			return -EINVAL;

		}



		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;

		return 0;

	}



	if (is_fwnode_irqchip(fwspec->fwnode)) {

		if (fwspec->param_count != 2)

			return -EINVAL;



		*hwirq = fwspec->param[0];

		*type = fwspec->param[1];

		return 0;

	}



	return -EINVAL;

}