From mboxrd@z Thu Jan 1 00:00:00 1970 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 AB40A298991; Wed, 15 Oct 2025 09:13:12 +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=1760519593; cv=none; b=m/HER1DjLplBu4+9qTKbHRmIx7u8ld6PTuWeWL1AK5sbvgapthi97jBKMWUADZ9acKitGsmOpav82eh78HrkZBxx3qXHwdPdaHk0axLqYdC+XPAQjX7u0swwAzJ1Vi9OvheYk9iI7C5do5wQK5e7KwXsvw6YDuUr9T3xeNyilRU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760519593; c=relaxed/simple; bh=fj+wjstxPuu4pe6Ir9X+TCy/RdK5uIxhfZIK9PjQE3s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=s8xS2XBN7ZESYZRb21GjFl50nEuO+VykE6wyI8nNYNNHH/stSF/AqIc4lWsozvaQ3TZvvhvZ6m2GLNXmpKFNSnNuQ4U532PCvPXE9eRYvZORVXfKt4C6g06yY/PSlHIlbQnEsvYhgPxwuvkIJg6Z2/+LtmNg/2x7t2ytkBPCuoE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oQijT4BY; 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="oQijT4BY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84E0DC4CEF9; Wed, 15 Oct 2025 09:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760519592; bh=fj+wjstxPuu4pe6Ir9X+TCy/RdK5uIxhfZIK9PjQE3s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oQijT4BYDA7G26UJzNdP8FR+Sso17sVT6tLq404JDkxEXIL0SNUGgqKnqLAytRMDc ybAzgl7PHHhZyg6HwZsrKBErF8H9uQdAB918IqBZI2EmZsuuLeHmRsIh/x/CMRPuW/ hbuFpAnoTb56m0BmBdt1IW2nKqXOiKg+vIQfCq+mZUZ52Ics6N2shnm0co1H8Ntqpo tYykaD+29yiu12+E8zdxTGe/nfssPj1oRKuBWWpNG9ywOgTVIfeN4yGPnr+Uab0knw e+80KUPBDOcAIVqRMB21aCnj3es2K2B3WII0PdnnK8Q2Rvik9Y2ZxaH3Zx9omBBGbj LHFZbbKctgdsw== From: Leon Romanovsky To: Marek Szyprowski , Robin Murphy , Russell King , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Richard Henderson , Matt Turner , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Geoff Levand , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, Jason Gunthorpe , Jason Gunthorpe Subject: [PATCH v5 02/14] dma-mapping: convert dummy ops to physical address mapping Date: Wed, 15 Oct 2025 12:12:48 +0300 Message-ID: <20251015-remove-map-page-v5-2-3bbfe3a25cdf@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251015-remove-map-page-v5-0-3bbfe3a25cdf@kernel.org> References: <20251015-remove-map-page-v5-0-3bbfe3a25cdf@kernel.org> Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev Content-Transfer-Encoding: 8bit From: Leon Romanovsky Change dma_dummy_map_page and dma_dummy_unmap_page routines to accept physical address and rename them. Reviewed-by: Jason Gunthorpe 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 92de80e5b057..16a51736a2a3 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