From 48397d8186c24bd038dd6d0f3e1215a34b2aeaa3 Mon Sep 17 00:00:00 2001
From: Fox Snowpatch <fox@fox.ozlabs.org>
Date: Thu, 22 Aug 2024 14:02:04 +0000
Subject: [PATCH] From patchwork series 420513

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=420513
---
 arch/powerpc/include/asm/mmu_context.h | 3 ---
 arch/powerpc/kernel/process.c          | 2 --
 arch/powerpc/platforms/maple/maple.h   | 1 -
 arch/powerpc/platforms/pasemi/pasemi.h | 1 -
 4 files changed, 7 deletions(-)

diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 37bffa0f79183..99707456c2cd7 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -116,9 +116,6 @@ static inline bool need_extra_context(struct mm_struct *mm, unsigned long ea)
 }
 #endif
 
-extern int use_cop(unsigned long acop, struct mm_struct *mm);
-extern void drop_cop(unsigned long acop, struct mm_struct *mm);
-
 #ifdef CONFIG_PPC_BOOK3S_64
 static inline void inc_mm_active_cpus(struct mm_struct *mm)
 {
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3b506d4c55f37..e7b70c2cc0013 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -72,8 +72,6 @@
 #define TM_DEBUG(x...) do { } while(0)
 #endif
 
-extern unsigned long _get_SP(void);
-
 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
 /*
  * Are we running in "Suspend disabled" mode? If so we have to block any
diff --git a/arch/powerpc/platforms/maple/maple.h b/arch/powerpc/platforms/maple/maple.h
index 4f358b55c3413..8ddbaa4ebd0b4 100644
--- a/arch/powerpc/platforms/maple/maple.h
+++ b/arch/powerpc/platforms/maple/maple.h
@@ -7,7 +7,6 @@
 extern int maple_set_rtc_time(struct rtc_time *tm);
 extern void maple_get_rtc_time(struct rtc_time *tm);
 extern time64_t maple_get_boot_time(void);
-extern void maple_calibrate_decr(void);
 extern void maple_pci_init(void);
 extern void maple_pci_irq_fixup(struct pci_dev *dev);
 extern int maple_pci_get_legacy_ide_irq(struct pci_dev *dev, int channel);
diff --git a/arch/powerpc/platforms/pasemi/pasemi.h b/arch/powerpc/platforms/pasemi/pasemi.h
index 018c30665e1b3..6f6743b8e48d1 100644
--- a/arch/powerpc/platforms/pasemi/pasemi.h
+++ b/arch/powerpc/platforms/pasemi/pasemi.h
@@ -5,7 +5,6 @@
 extern time64_t pas_get_boot_time(void);
 extern void pas_pci_init(void);
 struct pci_dev;
-extern void pas_pci_irq_fixup(struct pci_dev *dev);
 extern void pas_pci_dma_dev_setup(struct pci_dev *dev);
 
 void __iomem *__init pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset);