[PATCH v2 2/2] of: property: Add fw_devlink support for interrupts
From: Saravana Kannan <hidden>
Date: 2021-01-21 19:20:44
Also in:
lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2021-02-15 · Re: [PATCH v2 2/2] of: property: Add fw_devlink support for interrupts · Saravana Kannan <hidden>
- 2021-02-15 · Re: [PATCH v2 2/2] of: property: Add fw_devlink support for interrupts · Marc Zyngier <maz@kernel.org>
- 2021-02-15 · Re: [PATCH v2 2/2] of: property: Add fw_devlink support for interrupts · Saravana Kannan <hidden>
- 2021-02-15 · Re: [PATCH v2 2/2] of: property: Add fw_devlink support for interrupts · Guenter Roeck <linux@roeck-us.net>
- 2021-02-14 · Re: [PATCH v2 2/2] of: property: Add fw_devlink support for interrupts · Saravana Kannan <hidden>
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: Rob Herring <robh@kernel.org> Reviewed-by: Thierry Reding <redacted> Reviewed-by: Linus Walleij <redacted> Signed-off-by: Saravana Kannan <redacted> --- drivers/of/property.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index b2ea1951d937..6287c6d60bb7 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>
@@ -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, },
--
2.30.0.296.g2bfb1c46d8-goog