of: property: Fix fw_devlink handling of interrupts/interrupts-extended
authorSaravana Kannan <saravanak@google.com>
Tue, 9 Feb 2021 01:04:38 +0000 (17:04 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 9 Feb 2021 13:27:49 +0000 (14:27 +0100)
Commit 4104ca776ba3 ("of: property: Add fw_devlink support for interrupts")
was not taking interrupt-map into account. Fix that.

Fixes: 4104ca776ba3 ("of: property: Add fw_devlink support for interrupts")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210209010439.3529036-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/of/property.c

index 6287c6d..8b52160 100644 (file)
@@ -1245,8 +1245,6 @@ DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
 DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
 DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
 DEFINE_SIMPLE_PROP(extcon, "extcon", NULL)
-DEFINE_SIMPLE_PROP(interrupts_extended, "interrupts-extended",
-                                       "#interrupt-cells")
 DEFINE_SIMPLE_PROP(nvmem_cells, "nvmem-cells", NULL)
 DEFINE_SIMPLE_PROP(phys, "phys", "#phy-cells")
 DEFINE_SIMPLE_PROP(wakeup_parent, "wakeup-parent", NULL)
@@ -1297,10 +1295,13 @@ static struct device_node *parse_gpio_compat(struct device_node *np,
 static struct device_node *parse_interrupts(struct device_node *np,
                                            const char *prop_name, int index)
 {
-       if (strcmp(prop_name, "interrupts") || index)
+       struct of_phandle_args sup_args;
+
+       if (strcmp(prop_name, "interrupts") &&
+           strcmp(prop_name, "interrupts-extended"))
                return NULL;
 
-       return of_irq_find_parent(np);
+       return of_irq_parse_one(np, index, &sup_args) ? NULL : sup_args.np;
 }
 
 static const struct supplier_bindings of_supplier_bindings[] = {
@@ -1315,7 +1316,6 @@ static const struct supplier_bindings of_supplier_bindings[] = {
        { .parse_prop = parse_power_domains, },
        { .parse_prop = parse_hwlocks, },
        { .parse_prop = parse_extcon, },
-       { .parse_prop = parse_interrupts_extended, },
        { .parse_prop = parse_nvmem_cells, },
        { .parse_prop = parse_phys, },
        { .parse_prop = parse_wakeup_parent, },