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author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-06-09 06:10:29 +0000 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-06-17 00:09:11 +1000 |
commit | ab3aab292cb2f417f63b8f4887c1dd01c2a831cd (patch) | |
tree | cb57a2439eeca7984d6178438afe829701a41014 | |
parent | powerpc: Remove proc_trap() (diff) | |
download | linux-dev-ab3aab292cb2f417f63b8f4887c1dd01c2a831cd.tar.xz linux-dev-ab3aab292cb2f417f63b8f4887c1dd01c2a831cd.zip |
powerpc: Move update_power8_hid0() into its only user
update_power8_hid0() is used only by powernv platform subcore.c
Move it there.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/37f41d74faa0c66f90b373e243e8b1ee37a1f6fa.1623219019.git.christophe.leroy@csgroup.eu
-rw-r--r-- | arch/powerpc/include/asm/reg.h | 10 | ||||
-rw-r--r-- | arch/powerpc/platforms/powernv/subcore.c | 10 |
2 files changed, 10 insertions, 10 deletions
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 59b98f552ebf..be85cf156a1f 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1446,16 +1446,6 @@ extern void scom970_write(unsigned int address, unsigned long value); struct pt_regs; extern void ppc_save_regs(struct pt_regs *regs); - -static inline void update_power8_hid0(unsigned long hid0) -{ - /* - * The HID0 update on Power8 should at the very least be - * preceded by a SYNC instruction followed by an ISYNC - * instruction - */ - asm volatile("sync; mtspr %0,%1; isync":: "i"(SPRN_HID0), "r"(hid0)); -} #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_REG_H */ diff --git a/arch/powerpc/platforms/powernv/subcore.c b/arch/powerpc/platforms/powernv/subcore.c index 73207b53dc2b..7e98b00ea2e8 100644 --- a/arch/powerpc/platforms/powernv/subcore.c +++ b/arch/powerpc/platforms/powernv/subcore.c @@ -169,6 +169,16 @@ static void update_hid_in_slw(u64 hid0) } } +static inline void update_power8_hid0(unsigned long hid0) +{ + /* + * The HID0 update on Power8 should at the very least be + * preceded by a SYNC instruction followed by an ISYNC + * instruction + */ + asm volatile("sync; mtspr %0,%1; isync":: "i"(SPRN_HID0), "r"(hid0)); +} + static void unsplit_core(void) { u64 hid0, mask; |