From patchwork Wed Jan 31 16:50:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King \(Oracle\)" X-Patchwork-Id: 768543 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [78.32.30.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A130512CD9E; Wed, 31 Jan 2024 16:50:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=78.32.30.218 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706719841; cv=none; b=XotmDB+sEhb1oiW7rlsA762XjKSjSD1o1fsCpIA2NDOn3qN7gTHRzAKI379pnNUIlJ9x0xpFI+KsmbjcqKWTLXuZkGg6qtO6vLgPl1/zDgVAwbfEQexczhF8+2BTVZ84TLfXx/VWD+rPVZilOLmHuSd3k9KVrFbqNtFcV9O7pz0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706719841; c=relaxed/simple; bh=NdD2UYlXXnYM9DzIaE3JLoBJ4RjvQqQva9FxOjXP4gI=; h=In-Reply-To:References:From:To:Cc:Subject:MIME-Version: Content-Disposition:Content-Type:Message-Id:Date; b=tqJDfUbzSxYCNICIyAoJJDoGZVwWZ/huuBRGN4EbvT013G2EGR8j9BUwArfPWjT49HfbN9COT9vrvojjTmAdt1t4eKKd2f31942JJ6MHBXdnpRt4fvHJItMVxNWobE8VoqmZwFr8KJoD8H6dkJUWwVsE9HQkmiNjHfd0g1vb6Qc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk; spf=none smtp.mailfrom=armlinux.org.uk; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b=KNo1KYRQ; arc=none smtp.client-ip=78.32.30.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=armlinux.org.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="KNo1KYRQ" 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=KNo1KYRQcQWsZcCcYBaTIYTz1U YLZZeMQ89ErXJBDPAnpSvorty1j38HNyw/Or+qe9F87KH/IwhCxFdKs+uaOrd4SDwbrbI/Y7w/b8N nagi5jkc9yGP5a4Jg2LPE1drjQ3KEk+3q+3Hc0rwCM9fD7kPR17ljE32RU/U4JGKCg9+OXtOxh3fT SkEoL3Ko6CXb16EnoQo+U2CasOIaBVZlCKK9/90JVx0lCH8ntQdv70qXPK1GCRJ9QQIsGMT3JTzFC qWc6qVlkKgO5V6fMTg3W44z7Hwja6+7imr/7gDHhNnpsVqIn/8YuJEpLaFDrYURBztFPh8GTWLBiS zGkRFWiQ==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:36020 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 1rVDnA-0003VI-21; Wed, 31 Jan 2024 16:50:28 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1rVDn4-0027Z5-Lq; Wed, 31 Jan 2024 16:50:22 +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 , Jonathan Cameron , "Rafael J. Wysocki" Subject: [PATCH RFC v4 09/15] arm64: acpi: Move get_cpu_for_acpi_id() to a header Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Message-Id: Sender: Russell King Date: Wed, 31 Jan 2024 16:50:22 +0000 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) {