diff mbox series

[v1,2/2] of: property: Add fw_devlink support for interrupts

Message ID 20210120080522.471120-3-saravanak@google.com
State Superseded
Headers show
Series of: property: Add fw_devlink support for more props | expand

Commit Message

Saravana Kannan Jan. 20, 2021, 8:05 a.m. UTC 
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>
Signed-off-by: Saravana Kannan <saravanak@google.com>
---
 drivers/of/property.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Rob Herring Jan. 20, 2021, 3:40 p.m. UTC | #1 
On Wed, Jan 20, 2021 at 2:05 AM Saravana Kannan <saravanak@google.com> wrote:
>
> 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>
> Signed-off-by: Saravana Kannan <saravanak@google.com>
> ---
>  drivers/of/property.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Reviewed-by: Rob Herring <robh@kernel.org>
Linus Walleij Jan. 21, 2021, 1:12 p.m. UTC | #2 
On Wed, Jan 20, 2021 at 9:05 AM Saravana Kannan <saravanak@google.com> wrote:

> 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>

> Signed-off-by: Saravana Kannan <saravanak@google.com>


Reviewed-by: Linus Walleij <linus.walleij@linaro.org>


Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 0b256ce9d7d5..9dd9cc50e65a 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -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>
 
@@ -1289,6 +1290,15 @@  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, },
@@ -1315,6 +1325,7 @@  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, },