From mboxrd@z Thu Jan 1 00:00:00 1970 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 62C3CCAC598 for ; Tue, 16 Sep 2025 07:32:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2zBGTQHU+tUnMcnrcBx3QSuJr8npPbJ6gtNOeRRq01E=; b=wG4pIRj7TgynbjoOXkwyfwGfxO OVE8h3778EzN+oypeIamTZhFv676JB3cMOVgy3oYvG8sj3TFSBz4OcMfI/uQ9P6tC/1Z+c+hppEsd qb4bAh0ZHk7rFlEunPEnIiyJfWFzXG5Ep9WedgdrRRxpjXIU0fm6z1PRAMK0W59YThh0QqFTboXjk BLGb9NYJ8DM7Aw/b+5xhJQieD+VOLDdkDnkZjVLKsTIHEIKPdC5S3tFzBMGbwjujNa8APKXNiuBza Z4RZofFaTR7ZRr9+aexbDIXy0+Xj+WLt4GC2kPzbklLAhA8LxurUianwp+1xE7Q9WzCgFbgIXuw/W ZUk/0Z2A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyQAx-000000071HX-16eQ; Tue, 16 Sep 2025 07:32:31 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyQAt-000000071G5-3pRN for linux-arm-kernel@lists.infradead.org; Tue, 16 Sep 2025 07:32:29 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id EF6604082F; Tue, 16 Sep 2025 07:32:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F654C4CEF9; Tue, 16 Sep 2025 07:32:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758007946; bh=SVYxxrO+Wiw9QRhQmJDc9G1iV7Y+Q+GC+uaaZIVFlE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q5l/YYnGeY5KmQe4DG4hjF78LVZ8OXOQ+pB82BBUmJn6edzLHgSuj2CWbR9tHQxuz V+i2NLz/v8SB/2m9fmgh7Aayf1tH00ZDyW2uEyAVSZYOm01e1H2+8efBN6AHWQoxx+ cFMIiv6Uh4+Xl2Gd0lgkakm1LudKj5e8guvsK2h+fFY3lMpaM+oT5lVnMCPWb0ALfC 1KJroWeewgWN9weAh82UzGzikEEJFZFkZGjEoumsterOmHtgbHTVHFvm9ZGc1NjzEk pJ3YP3SnB0PUJUy+TNkIYziVcZGcUIh2xoe3przgP0AhnQXr0IRZnYGJbOcMWn3vS4 SZgbnZULDbOuw== From: Leon Romanovsky To: Marek Szyprowski Cc: Leon Romanovsky , Jason Gunthorpe , iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King Subject: [PATCH v3 2/4] dma-mapping: convert dummy ops to physical address mapping Date: Tue, 16 Sep 2025 10:32:05 +0300 Message-ID: <3b54fbe896086adc0f3fb90a2a1a2e3bb3ff9de4.1758006942.git.leon@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250916_003227_977948_F0E8431A X-CRM114-Status: GOOD ( 10.90 ) 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: Leon Romanovsky Change dma_dummy_map_page and dma_dummy_unmap_page routines to accept physical address and rename them. Signed-off-by: Leon Romanovsky --- kernel/dma/dummy.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/kernel/dma/dummy.c b/kernel/dma/dummy.c index 92de80e5b057e..16a51736a2a39 100644 --- a/kernel/dma/dummy.c +++ b/kernel/dma/dummy.c @@ -11,17 +11,16 @@ static int dma_dummy_mmap(struct device *dev, struct vm_area_struct *vma, return -ENXIO; } -static dma_addr_t dma_dummy_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - unsigned long attrs) +static dma_addr_t dma_dummy_map_phys(struct device *dev, phys_addr_t phys, + size_t size, enum dma_data_direction dir, unsigned long attrs) { return DMA_MAPPING_ERROR; } -static void dma_dummy_unmap_page(struct device *dev, dma_addr_t dma_handle, +static void dma_dummy_unmap_phys(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir, unsigned long attrs) { /* - * Dummy ops doesn't support map_page, so unmap_page should never be + * Dummy ops doesn't support map_phys, so unmap_page should never be * called. */ WARN_ON_ONCE(true); @@ -51,8 +50,8 @@ static int dma_dummy_supported(struct device *hwdev, u64 mask) const struct dma_map_ops dma_dummy_ops = { .mmap = dma_dummy_mmap, - .map_page = dma_dummy_map_page, - .unmap_page = dma_dummy_unmap_page, + .map_phys = dma_dummy_map_phys, + .unmap_phys = dma_dummy_unmap_phys, .map_sg = dma_dummy_map_sg, .unmap_sg = dma_dummy_unmap_sg, .dma_supported = dma_dummy_supported, -- 2.51.0