Commit 4104ca77 authored by Saravana Kannan's avatar Saravana Kannan Committed by Greg Kroah-Hartman
Browse files

of: property: Add fw_devlink support for interrupts 



This allows fw_devlink to create device links between consumers of an
interrupt and the supplier of the interrupt.

Cc: Marc Zyngier <maz@kernel.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarThierry Reding <treding@nvidia.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarSaravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210121225712.1118239-3-saravanak@google.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e13f5b7a

drivers/of/property.c

+11 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ 
#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/of_graph.h>

#include <linux/of_irq.h>

#include <linux/string.h>

#include <linux/moduleparam.h>
@@ -1293,6 +1294,15 @@ static struct device_node *parse_gpio_compat(struct device_node *np, 
	return sup_args.np;

}



static struct device_node *parse_interrupts(struct device_node *np,

					    const char *prop_name, int index)

{

	if (strcmp(prop_name, "interrupts") || index)

		return NULL;



	return of_irq_find_parent(np);

}



static const struct supplier_bindings of_supplier_bindings[] = {

	{ .parse_prop = parse_clocks, },

	{ .parse_prop = parse_interconnects, },
@@ -1319,6 +1329,7 @@ static const struct supplier_bindings of_supplier_bindings[] = { 
	{ .parse_prop = parse_pinctrl7, },

	{ .parse_prop = parse_pinctrl8, },

	{ .parse_prop = parse_gpio_compat, },

	{ .parse_prop = parse_interrupts, },

	{ .parse_prop = parse_regulators, },

	{ .parse_prop = parse_gpio, },

	{ .parse_prop = parse_gpios, },