From patchwork Wed Dec 13 12:50:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13491057 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22927C4332F for ; Wed, 13 Dec 2023 14:01:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Date:Message-Id:MIME-Version:Subject:Cc :To:From:References:In-Reply-To:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=M36hRbGPqDFWClKoe4kmsU40hotaC69XJqY5sTNnPuU=; b=Le7+HURf2XDO1m Vdy21C6lAn9yjAaRLc8er/pPm1y/Qo3WsEBp28x4H0WDqEBCsx0ZjBNByTbvL8G1bAtt2db05O/By vkseIvNW2XinfDaJ/glNSAJA6SV7AJlwifpGJlAFkuHxrW0KNnSHgseKJpz+lonNrdkGVZRoKvtd6 SLPq1HArjpu1tHf4AFBLGwDyv4kzUg0X5YWVWLaIFvujJkj6I29ozUW/6wwOrXDVWtKH98M31vO5U G/GHASuATMlILh41EISog4h43c5QfgGpRd2G5infHXTAfKwvZndTvTQ7z8oWchhf3oJ4Cdxvr0JeM TzWjtB8l4217c1zKpXLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rDPnk-00Evzp-2x; Wed, 13 Dec 2023 14:01:28 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rDOgy-00EebP-26; Wed, 13 Dec 2023 12:50:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=VN1zuZPFpZjLLP0E5DaIC2d1rUW/6DV9Td+xG3o2+qg=; b=D1oe/wUW347yc1kOtGSkPh+NwF pSCntHs+gy+no5ciu7dgJn8Dwp7ORYjROsmBGp2LxhmqGuGHNBP1aZV4OFlEC9LS/kkNb5k/WLv0D mh8mN34J76pSZrqKTu/t/Yy4YAK2i6WxDzVJVCIEvI90776a9cz/NI1sAPKu3ritagRuRdxGFqiRV EFDmKmn1xkbQg+qk0w/J584QQZcCvychU5lpTdyK4uDeS0SBGUzA+NMnOOnzXzgm4BLxaVVcBbXvT RRU7paUGEeifLGjZXvZ7Z68W8gZPslrofMMxzTl+WLoI4SZHMi25yNHGhFi/ON2jM6106rGDwHUeH GzKOJ5ww==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:57410 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1rDOgk-0008Ff-2y; Wed, 13 Dec 2023 12:50:11 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1rDOgn-00Dvki-2N; Wed, 13 Dec 2023 12:50:13 +0000 In-Reply-To: References: From: Russell King (Oracle) To: linux-pm@vger.kernel.org, loongarch@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev, x86@kernel.org, acpica-devel@lists.linuxfoundation.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org Cc: Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse Subject: [PATCH RFC v3 12/21] arm64: acpi: Move get_cpu_for_acpi_id() to a header MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Wed, 13 Dec 2023 12:50:13 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231213_045024_715027_24F13482 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: James Morse ACPI identifies CPUs by UID. get_cpu_for_acpi_id() maps the ACPI UID to the linux CPU number. The helper to retrieve this mapping is only available in arm64's numa code. Move it to live next to get_acpi_id_for_cpu(). Signed-off-by: James Morse Reviewed-by: Jonathan Cameron Reviewed-by: Gavin Shan Tested-by: Miguel Luis Tested-by: Vishnu Pajjuri Tested-by: Jianyong Wu Signed-off-by: Russell King (Oracle) --- arch/arm64/include/asm/acpi.h | 11 +++++++++++ arch/arm64/kernel/acpi_numa.c | 11 ----------- 2 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 6792a1f83f2a..bc9a6656fc0c 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -119,6 +119,17 @@ static inline u32 get_acpi_id_for_cpu(unsigned int cpu) return acpi_cpu_get_madt_gicc(cpu)->uid; } +static inline int get_cpu_for_acpi_id(u32 uid) +{ + int cpu; + + for (cpu = 0; cpu < nr_cpu_ids; cpu++) + if (uid == get_acpi_id_for_cpu(cpu)) + return cpu; + + return -EINVAL; +} + static inline void arch_fix_phys_package_id(int num, u32 slot) { } void __init acpi_init_cpus(void); int apei_claim_sea(struct pt_regs *regs); diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c index e51535a5f939..0c036a9a3c33 100644 --- a/arch/arm64/kernel/acpi_numa.c +++ b/arch/arm64/kernel/acpi_numa.c @@ -34,17 +34,6 @@ int __init acpi_numa_get_nid(unsigned int cpu) return acpi_early_node_map[cpu]; } -static inline int get_cpu_for_acpi_id(u32 uid) -{ - int cpu; - - for (cpu = 0; cpu < nr_cpu_ids; cpu++) - if (uid == get_acpi_id_for_cpu(cpu)) - return cpu; - - return -EINVAL; -} - static int __init acpi_parse_gicc_pxm(union acpi_subtable_headers *header, const unsigned long end) {