From patchwork Thu Aug 3 17:58:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil V L X-Patchwork-Id: 13340406 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 80FEEEB64DD for ; Thu, 3 Aug 2023 18:00:23 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8g8ijF+ZqSjSkQLYCx8QsONGTOav+IF60OcX0F0pbWY=; b=AwRyw7tEGNBY0o JT2Xg6yJoOG4zZRu2QUepkJ4grPM07EFXqw4ahFwLxRv3tfmtJgCxKPk2MqZto5ccZQPfxSDj0uQF apOVIXVxL4IR+BAcQqkI1CILCfSWOkhSGpZ5RRUAxOa/p7VYdYMvpTDPN8Q6aWHchKq77NWbsw4Uu zVhO1GxNGiJ5bq+oFRx39NwVnpTla+y+hCEieM6p2debTneH/3AR/xddxJ5wwKg5beCeWQhxe2A29 WLiGMVyj/zwfmsJ/dJ0kvxfzH2ZZ9iEOudzhQ3XvzdyATIMkcgK3Ne2dwyDVN8P1znXnCjkO0c4sI ra22cqwuenVaoB/y/jzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRccE-00AUTs-0g; Thu, 03 Aug 2023 18:00:02 +0000 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qRccB-00AURS-2s for linux-arm-kernel@lists.infradead.org; Thu, 03 Aug 2023 18:00:01 +0000 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-687087d8ddaso1089607b3a.1 for ; Thu, 03 Aug 2023 10:59:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1691085597; x=1691690397; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dlgMxBU+gnbxavLK2CnXHLqjxrOHpsQhLJivrmp7gq8=; b=Mn/vo0MoTkPiEepTolmO07DSHUYqv7rFmArT6LTUsVmzAqnBvKBjkRZBvhSJTyiZAM 1h1+n6DkofxPjLLD7asRa2i/oE66f7GWtWQqA9+nDJYue6PrwjDM067chowzEAr4ODxH vSRhcalLZi64uzfoqGFqhxbjGjGGDhdaLNb94wU3+LcfSd6SGzYCkrAI2qx43QP8mXm+ DJ0Il1lN5U+uqlCxzJ+JnPkr+AJ87TQm7Mbi6Aqs2pV30Apw6vIAlJMrvnORHqksud91 revKW71DM8rTMoqvZp3Ftaus2TBe8ju/o/MzItnmUE5tDKZn5+PQ0RhtNd0uQFIakZk6 1UZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691085597; x=1691690397; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dlgMxBU+gnbxavLK2CnXHLqjxrOHpsQhLJivrmp7gq8=; b=SPsDiMKdDTk4ixSe8RT/3AOPyrmIZVGPCq9dCd/h7//yIwnv5BYWi16s+6TqsTQ1UG fpwxLU3BJhpyKh0+ds57w2DY6on9Mo9CJDDUYorGOBUVOoLPTrGr7EGVpikS6Awe0uUK eU1jA94WEkJ+8CO7p2FRxPx4+SVVypoEH/Na/XG/MOARtB9qIQJo6F56m9ZfA44MA1zu bt1CHPUnCU0ufLzGDrcYNgMnieLucNNNov/xlnoCfk4XEjRwNmujh+N+s+AQ2LLO9bLT pmv3HDxg6+pZc/XhngBgZKL0Ehy4jbvfe9t38I9EOyCRRrWImOpKwWipmTvrFznJpzTP DxJw== X-Gm-Message-State: ABy/qLa8/rfqImWKpNiHQhiLM7CzeGWnGkYnzpk/63B9ejSLrk77ZV87 cwtY95c09B1Tbt11T7qGGh7cpA== X-Google-Smtp-Source: APBJJlHeLQhx5wJXxieN87kQ/FrrGdUXv58YAFTjJ6UeQQPmtQGf8bvG5vbiImqAXiXcjHGvc1bNlw== X-Received: by 2002:a05:6a00:c86:b0:682:4c9f:aa0 with SMTP id a6-20020a056a000c8600b006824c9f0aa0mr23559310pfv.29.1691085596954; Thu, 03 Aug 2023 10:59:56 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.190.143]) by smtp.gmail.com with ESMTPSA id s8-20020aa78d48000000b0065a1b05193asm134952pfe.185.2023.08.03.10.59.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 10:59:56 -0700 (PDT) From: Sunil V L To: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , Andy Shevchenko , Daniel Scally , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Daniel Lezcano , Thomas Gleixner , Anup Patel , Marc Zyngier , Bjorn Helgaas , Robert Moore , Haibo Xu , Andrew Jones , Conor Dooley , Atish Kumar Patra , Sunil V L , kernel test robot Subject: [RFC PATCH v1 03/21] RISC-V: ACPI: Fix acpi_os_ioremap to return iomem address Date: Thu, 3 Aug 2023 23:28:58 +0530 Message-Id: <20230803175916.3174453-4-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230803175916.3174453-1-sunilvl@ventanamicro.com> References: <20230803175916.3174453-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_105959_937017_543E9908 X-CRM114-Status: GOOD ( 15.34 ) 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 acpi_os_ioremap() currently is a wrapper to memremap() on RISC-V. But the callers of acpi_os_ioremap() expect it to return __iomem address and hence sparse tool reports a new warning. Fix this issue by type casting to __iomem type. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202307230357.egcTAefj-lkp@intel.com/ Fixes: a91a9ffbd3a5 ("RISC-V: Add support to build the ACPI core") Signed-off-by: Sunil V L Reviewed-by: Andrew Jones --- arch/riscv/include/asm/acpi.h | 2 +- arch/riscv/kernel/acpi.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/include/asm/acpi.h b/arch/riscv/include/asm/acpi.h index f71ce21ff684..d5604d2073bc 100644 --- a/arch/riscv/include/asm/acpi.h +++ b/arch/riscv/include/asm/acpi.h @@ -19,7 +19,7 @@ typedef u64 phys_cpuid_t; #define PHYS_CPUID_INVALID INVALID_HARTID /* ACPI table mapping after acpi_permanent_mmap is set */ -void *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); #define acpi_os_ioremap acpi_os_ioremap #define acpi_strict 1 /* No out-of-spec workarounds on RISC-V */ diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c index 5ee03ebab80e..56cb2c986c48 100644 --- a/arch/riscv/kernel/acpi.c +++ b/arch/riscv/kernel/acpi.c @@ -215,9 +215,9 @@ void __init __acpi_unmap_table(void __iomem *map, unsigned long size) early_iounmap(map, size); } -void *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) { - return memremap(phys, size, MEMREMAP_WB); + return (void __iomem *)memremap(phys, size, MEMREMAP_WB); } #ifdef CONFIG_PCI