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[23.128.96.18]) by mx.google.com with ESMTP id 89si2480466eda.437.2021.06.09.06.07.05; Wed, 09 Jun 2021 06:07:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235557AbhFIGMZ (ORCPT + 99 others); Wed, 9 Jun 2021 02:12:25 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:54359 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232973AbhFIGMZ (ORCPT ); Wed, 9 Jun 2021 02:12:25 -0400 Received: from localhost (mailhub3.si.c-s.fr [192.168.12.233]) by localhost (Postfix) with ESMTP id 4G0GtZ0x1XzBDJ9; Wed, 9 Jun 2021 08:10:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id MF3WHZLI9UTZ; Wed, 9 Jun 2021 08:10:30 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4G0GtZ02hkzBCHr; Wed, 9 Jun 2021 08:10:30 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id D880D8B7CD; Wed, 9 Jun 2021 08:10:29 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id pWQworC-cdmm; Wed, 9 Jun 2021 08:10:29 +0200 (CEST) Received: from po15610vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 977AC8B7C3; Wed, 9 Jun 2021 08:10:29 +0200 (CEST) Received: by po15610vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 6914364C62; Wed, 9 Jun 2021 06:10:29 +0000 (UTC) Message-Id: <37f41d74faa0c66f90b373e243e8b1ee37a1f6fa.1623219019.git.christophe.leroy@csgroup.eu> From: Christophe Leroy Subject: [PATCH] powerpc: Move update_power8_hid0() into its only user To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Wed, 9 Jun 2021 06:10:29 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org update_power8_hid0() is used only by powernv platform subcore.c Move it there. Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/reg.h | 10 ---------- 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 3bb01a8779c9..c5a527489ba5 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1445,16 +1445,6 @@ 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..4fe0594c3f4d 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 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; -- 2.25.0