From patchwork Tue Nov 21 00:01:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Kinsburskii X-Patchwork-Id: 13462335 X-Patchwork-Delegate: kw@linux.com 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 sy.mirrors.kernel.org (sy.mirrors.kernel.org [147.75.48.161]) (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 462B5C2BB3F for ; Tue, 21 Nov 2023 00:02:12 +0000 (UTC) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id AD16EB20357 for ; Tue, 21 Nov 2023 00:02:10 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C09BB184; Tue, 21 Nov 2023 00:02:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="O45wvQ3v" Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CF0379E; Mon, 20 Nov 2023 16:01:57 -0800 (PST) Received: from skinsburskii. (c-67-170-100-148.hsd1.wa.comcast.net [67.170.100.148]) by linux.microsoft.com (Postfix) with ESMTPSA id 1FACF20B74C0; Mon, 20 Nov 2023 16:01:57 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 1FACF20B74C0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1700524917; bh=LbrVvLvyLjW1PVT2QUs7hez6cFIiMaOwkqYMRmollso=; h=Subject:From:To:Date:From; b=O45wvQ3vvuq9iNaS0teRoPVL7nECUXTI70YwQLreF0959qLn7RV5tpYl49RKuREOP 5NY6F2gksTgl+aOZ1/EVXWivqWkJA3l1AB8AL+QYYO7hOS+2oSTwYD1lJj2NmKDw6m pco2+BMxjqKBdPxU7p+o+cWUSRZNpYfxxxMHIlUk= Subject: [PATCH v2] PCI: mediatek: Fix sparse warning caused to virt_to_phys() prototype change From: Stanislav Kinsburskii To: ryder.lee@mediatek.com, jianjun.wang@mediatek.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Date: Mon, 20 Nov 2023 16:01:56 -0800 Message-ID: <170052491316.21557.13173111699965824301.stgit@skinsburskii.> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Explicitly cast __iomem pointer to const void* with __force to fix the following warning: warning: incorrect type in argument 1 (different address spaces) expected void const volatile *address got void [noderef] __iomem * Signed-off-by: Stanislav Kinsburskii Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202311161120.BgyxTBMQ-lkp@intel.com/ --- drivers/pci/controller/pcie-mediatek.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c index 66a8f73296fc..27f0f79810a1 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -397,7 +397,7 @@ static void mtk_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) phys_addr_t addr; /* MT2712/MT7622 only support 32-bit MSI addresses */ - addr = virt_to_phys(port->base + PCIE_MSI_VECTOR); + addr = virt_to_phys((__force const void *)port->base + PCIE_MSI_VECTOR); msg->address_hi = 0; msg->address_lo = lower_32_bits(addr); @@ -520,7 +520,7 @@ static void mtk_pcie_enable_msi(struct mtk_pcie_port *port) u32 val; phys_addr_t msg_addr; - msg_addr = virt_to_phys(port->base + PCIE_MSI_VECTOR); + msg_addr = virt_to_phys((__force const void *)port->base + PCIE_MSI_VECTOR); val = lower_32_bits(msg_addr); writel(val, port->base + PCIE_IMSI_ADDR);