linux-kernel - [PATCH 03/12] ARM: broadcom: Use of_get_cpu

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Message-Id: <20211006164332.1981454-4-robh@kernel.org>
Date:   Wed,  6 Oct 2021 11:43:23 -0500
From:   Rob Herring <robh@...nel.org>
To:     Russell King <linux@...linux.org.uk>,
        James Morse <james.morse@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Guo Ren <guoren@...nel.org>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, x86@...nel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-csky@...r.kernel.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
        linux-sh@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH 03/12] 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@...il.com>
Cc: Ray Jui <rjui@...adcom.com>
Cc: Scott Branden <sbranden@...adcom.com>
Cc: bcm-kernel-feedback-list@...adcom.com
Cc: Russell King <linux@...linux.org.uk>
Signed-off-by: Rob Herring <robh@...nel.org>
---
 arch/arm/mach-bcm/bcm63xx_pmb.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-bcm/bcm63xx_pmb.c b/arch/arm/mach-bcm/bcm63xx_pmb.c
index 0e5a05bac3ea..003f1472ab45 100644
--- 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",
-- 
2.30.2