linux-kernel - [PATCH v3 1/2] powerpc/powermac: add missing g5_phy_disable

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Date:   Fri, 24 Sep 2021 12:56:52 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        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>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH v3 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 v2:
1. Put declaration in powermac/pmac.h

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

diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index 0d715db434dc..be528e0e507f 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -14,6 +14,8 @@ struct rtc_time;
 
 extern int pmac_newworld;
 
+void g5_phy_disable_cpu1(void);
+
 extern long pmac_time_init(void);
 extern time64_t pmac_get_boot_time(void);
 extern void pmac_get_rtc_time(struct rtc_time *);
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