Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1d50d2ce authored by Nishanth Menon's avatar Nishanth Menon Committed by Jason Cooper
Browse files

irqchip: crossbar: Dont use '0' to mark reserved interrupts 



Today '0' is actually reserved, but may not be the same in the future.

So, use a flag to mark the GIC interrupts that are reserved.

Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Signed-off-by: default avatarSricharan R <r.sricharan@ti.com>
Acked-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
Link: https://lkml.kernel.org/r/1403766634-18543-2-git-send-email-r.sricharan@ti.com


Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent 7171511e

drivers/irqchip/irq-crossbar.c

+3 −2
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/irqchip/arm-gic.h>



#define IRQ_FREE	-1

#define IRQ_RESERVED	-2

#define GIC_IRQ_START	32



/*
@@ -139,7 +140,7 @@ static int __init crossbar_of_init(struct device_node *node) 
				pr_err("Invalid reserved entry\n");

				goto err3;

			}

			cb->irq_map[entry] = 0;

			cb->irq_map[entry] = IRQ_RESERVED;

		}

	}
@@ -170,7 +171,7 @@ static int __init crossbar_of_init(struct device_node *node) 
	 * reserved irqs. so find and store the offsets once.

	 */

	for (i = 0; i < max; i++) {

		if (!cb->irq_map[i])

		if (cb->irq_map[i] == IRQ_RESERVED)

			continue;



		cb->register_offsets[i] = reserved;