From nobody Sat Feb 7 07:11:51 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 205C43793D2; Wed, 28 Jan 2026 20:28:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769632093; cv=none; b=P8LKAQFAH3r4HlrsoUgG+tdr793vJbfUyS6KnyF+HKzs+v0dpIzCLq7fy3Xfd4HVIelfA8YoSB503oZAobXjK6fpbfnLbJEmmuVRwqZWlHhdD4qALRQUqslkvw/GzlU+9huJ2EhT1o1ntSyDWwgTRyYfLJTIANrzTTBm01Ne0DE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769632093; c=relaxed/simple; bh=2p876OLLX8prfj4iRVt0MftQApA/Ndfp5I0kmihgDv8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AGwcIOBqugLpTWSBPMFnwZ5+pl72kFznA3JZ3uA/xjXqP9CAfN9Da40bBQlWPdbV5ksA/ERXlK1AmH53BXe+LMKj1Z1P34qY5/7Q04OsJmOIjl6qJHdLe0o/1bfXlfyEpQAG/ZDk7EQbmCbIva8wtt/X1kKjQqggfMUNgnMlbS0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nvNmYpXN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nvNmYpXN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E1B4C19421; Wed, 28 Jan 2026 20:28:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769632092; bh=2p876OLLX8prfj4iRVt0MftQApA/Ndfp5I0kmihgDv8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=nvNmYpXNTrs2Gd+j6e50jmN2l9Z23bYLF6ssVdaiXzTPbUxc1qT0mjM+DcxcHugJA J/87PsgTsnafBZfhqlt4m2QgOzifGKJFseryVtiSaY/M0PZYJrWd3Zv+x6wuWpMVbc a1FuXbEM4c1p717fgARM4pWgqSQ/6nuzP/cOqvACY6mrFevw2R7SPPJXKH407qNmfj p0xLmcEpdgDon99ai9bazDER0LJA7+06Vrm4HlSAQdMY5mHWpeFfHtKjcFyPq/YjCS TdH8SRbUVexwp+kUyzm/u5LFPIRobL4hdKcn85jEL3DIxztlARfclD0EkOvOxPxA7G eqS2ZdeZ/bEiw== From: Drew Fustini Date: Wed, 28 Jan 2026 12:27:38 -0800 Subject: [PATCH RFC v2 17/17] acpi: riscv: Add support for RISC-V Quality of Service Controller (RQSC) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260128-ssqosid-cbqri-v2-17-dca586b091b9@kernel.org> References: <20260128-ssqosid-cbqri-v2-0-dca586b091b9@kernel.org> In-Reply-To: <20260128-ssqosid-cbqri-v2-0-dca586b091b9@kernel.org> To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , =?utf-8?q?Radim_Kr=C4=8Dm=C3=A1=C5=99?= , Samuel Holland , Adrien Ricciardi , Nicolas Pitre , =?utf-8?q?Kornel_Dul=C4=99ba?= , Atish Patra , Atish Kumar Patra , Vasudevan Srinivasan , Ved Shanbhogue , yunhui cui , Chen Pei , Liu Zhiwei , Weiwei Li , guo.wenjia23@zte.com.cn, liu.qingtao2@zte.com.cn, Reinette Chatre , Tony Luck , Babu Moger , Peter Newman , Fenghua Yu , James Morse , Ben Horgan , Dave Martin , Drew Fustini , linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, Rob Herring , "Rafael J. Wysocki" , Len Brown , Robert Moore , Sunil V L , Krzysztof Kozlowski , Conor Dooley Cc: Paul Walmsley , linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, devicetree@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1324; i=fustini@kernel.org; h=from:subject:message-id; bh=2p876OLLX8prfj4iRVt0MftQApA/Ndfp5I0kmihgDv8=; b=owGbwMvMwCV2+43O4ZsaG3kYT6slMWRWFQbtj1tz8omO0oPqJVoaSzVyZ5XOXdDCNGlde9i+1 cb+1ue5O0pZGMS4GGTFFFk2fci7sMQr9OuC+S+2wcxhZQIZwsDFKQATSbnM8FfULF18ztyD7n2W pqyZ+yauDr77hnXnoYku5rIKxUJ/WFcyMhy7rmJWJHzzwKmlUrNj/W1SknNrz7VFH7jXoNB0Qjb wEgcA X-Developer-Key: i=fustini@kernel.org; a=openpgp; fpr=1B6F948213EA489734F3997035D5CD577C1E6010 Enable support for the RQSC table which describes the capacity and bandwidth QoS (CBQRI) controllers in a system. Link: https://github.com/riscv-non-isa/riscv-cbqri/releases/tag/v1.0 Link: https://github.com/riscv-non-isa/riscv-rqsc/blob/main/src/ Signed-off-by: Drew Fustini --- drivers/acpi/riscv/init.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/acpi/riscv/init.c b/drivers/acpi/riscv/init.c index 7c00f7995e86..784fa0c56516 100644 --- a/drivers/acpi/riscv/init.c +++ b/drivers/acpi/riscv/init.c @@ -6,10 +6,29 @@ =20 #include #include "init.h" +#include =20 void __init acpi_arch_init(void) { + struct acpi_table_header *rqsc; + acpi_status status; + int rc; + riscv_acpi_init_gsi_mapping(); + if (IS_ENABLED(CONFIG_ACPI_RIMT)) riscv_acpi_rimt_init(); + + if (!acpi_disabled) { + status =3D acpi_get_table(ACPI_SIG_RQSC, 0, &rqsc); + if (ACPI_FAILURE(status)) { + pr_err("%s(): failed to find ACPI RQSC table: %d", __func__, + ACPI_FAILURE(status)); + } else { + rc =3D acpi_parse_rqsc(rqsc); + if (rc < 0) + pr_err("%s(): failed to parse ACPI RQSC table: %d", __func__, rc); + } + acpi_put_table((struct acpi_table_header *)rqsc); + } } --=20 2.43.0