From: Christophe Leroy Date: Wed, 9 Jun 2021 06:10:29 +0000 (+0000) Subject: powerpc: Move update_power8_hid0() into its only user X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ab3aab292cb2f417f63b8f4887c1dd01c2a831cd;p=linux.git 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 Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/37f41d74faa0c66f90b373e243e8b1ee37a1f6fa.1623219019.git.christophe.leroy@csgroup.eu --- diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 59b98f552ebf6..be85cf156a1f5 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 73207b53dc2b2..7e98b00ea2e84 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;