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 E393B1E835B for ; Mon, 21 Jul 2025 06:20:16 +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=1753078817; cv=none; b=KhSrsuX0f5Mfw3K0tg7xxnfpOPWv2J78EjdiyOZURkhAUpexDPhmx0vPpA3+LRy69oRiBdy1WW9dPTqZfMeeo89oLd552GlXpK5mWV9Qyrb4EOCmesQto28qtgCyF/AqvSNtQpaDXvYpWYUkQxNdtyxieb52wJElYa+tpDVu2jU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753078817; c=relaxed/simple; bh=EsV+/sLaEQESpKLc56tddBb8VQ+rkH35Pls7FQ7kwh4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J60/U/juxv9GY3X5lKGyEsyag9mp4CR6VVwJmo/fXy/KwzWClbBvwRBziJyYKELonKqyGD9UJrsg9YPvOh/I1OSNwwyPJxPi9T1Pe3Twoa7Q/C1ZP+efjHxdrOpJzDKe/aBud/hF6/9KNH9CQRlTRM4GstNS6KRNQfVnFSrCHQw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HJW13T5b; 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="HJW13T5b" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9214C4CEED; Mon, 21 Jul 2025 06:20:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753078816; bh=EsV+/sLaEQESpKLc56tddBb8VQ+rkH35Pls7FQ7kwh4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HJW13T5bfvckM7lb2LPBcVJu1gaMChk0fH5MsBnL4wwaUG8+L+kX7A+KZe/EfYR/K ZRDKCf+hl3tEg0KRMYZjLr8XiesA6bTJWaNpd/AhMh5DOuhlS2F6Qu8yhrvXHVUosz U6GwP2CUDzTWsUnH3XOPKbcznJcdhYdilg5nTsMwLuhcR2VVXdNCX89hhbq7bEJmEy 8RZrBDK3zGE3vzfR66F07ttRDxklD/on9TR831q+AwNg4jaPt6Q/kfAwmsA0iWdphO Odb70iB/6h6vVVVg1lkzE8whXPCcBpGO8KFyMG8H5zsXPxLo1dMa36GTRnG//jfgzX AELADALTJziug== From: Leon Romanovsky To: Marek Szyprowski Cc: Leon Romanovsky , iommu@lists.linux.dev Subject: [PATCH v2 2/2] dma-mapping: convert dummy ops to physical address mapping Date: Mon, 21 Jul 2025 09:19:46 +0300 Message-ID: <196844ca71ac4e9a60ebf78cd05e0b3882fd59bd.1753078569.git.leon@kernel.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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. 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..dcc4c619b1389 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_phys 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, -- 2.50.1