ARM: broadcom: Use of_get_cpu_hwid()

Replace open coded parsing of CPU nodes 'reg' property with
of_get_cpu_hwid().

Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20211006164332.1981454-4-robh@kernel.org

diff --git a/arch/arm/mach-bcm/bcm63xx_pmb.c b/arch/arm/mach-bcm/bcm63xx_pmb.c
index 0e5a05bac3eac804491824b496e0bec1f2492aac..003f1472ab4540f09d3e83093a094be9edd57958 100644 (file)
--- a/arch/arm/mach-bcm/bcm63xx_pmb.c
+++ b/arch/arm/mach-bcm/bcm63xx_pmb.c
@@ -91,10 +91,10 @@ static int bcm63xx_pmb_get_resources(struct device_node *dn,
        struct of_phandle_args args;
        int ret;
 
-       ret = of_property_read_u32(dn, "reg", cpu);
-       if (ret) {
+       *cpu = of_get_cpu_hwid(dn, 0);
+       if (*cpu == ~0U) {
                pr_err("CPU is missing a reg node\n");
-               return ret;
+               return -ENODEV;
        }
 
        ret = of_parse_phandle_with_args(dn, "resets", "#reset-cells",