linux-kernel - [PATCH v2 1/2] powerpc/powermac: add missing g5_phy_disable

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Message-Id: <20210922160436.130931-1-krzysztof.kozlowski@canonical.com>
Date:   Wed, 22 Sep 2021 18:04:35 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v2 1/2] powerpc/powermac: add missing g5_phy_disable_cpu1() declaration

g5_phy_disable_cpu1() is used outside of platforms/powermac/feature.c,
so it should have a declaration to fix W=1 warning:

  arch/powerpc/platforms/powermac/feature.c:1533:6:
    error: no previous prototype for ‘g5_phy_disable_cpu1’ [-Werror=missing-prototypes]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

---

Changes since v1:
1. Drop declaration in powermac/smp.c
---
 arch/powerpc/include/asm/pmac_feature.h | 4 ++++
 arch/powerpc/platforms/powermac/smp.c   | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h
index e08e829261b6..7703e5bf1203 100644
--- a/arch/powerpc/include/asm/pmac_feature.h
+++ b/arch/powerpc/include/asm/pmac_feature.h
@@ -143,6 +143,10 @@
  */
 struct device_node;
 
+#ifdef CONFIG_PPC64
+void g5_phy_disable_cpu1(void);
+#endif /* CONFIG_PPC64 */
+
 static inline long pmac_call_feature(int selector, struct device_node* node,
 					long param, long value)
 {
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 3256a316e884..5d0626f432d5 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -875,8 +875,6 @@ static int smp_core99_cpu_online(unsigned int cpu)
 
 static void __init smp_core99_bringup_done(void)
 {
-	extern void g5_phy_disable_cpu1(void);
-
 	/* Close i2c bus if it was used for tb sync */
 	if (pmac_tb_clock_chip_host)
 		pmac_i2c_close(pmac_tb_clock_chip_host);
-- 
2.30.2