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From: Leon Romanovsky <leon@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Russell King <linux@armlinux.org.uk>,
	Juergen Gross <jgross@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Matt Turner <mattst88@gmail.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nicholas Piggin <npiggin@gmail.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Geoff Levand <geoff@infradead.org>,
	"David S. Miller" <davem@davemloft.net>,
	Andreas Larsson <andreas@gaisler.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
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 <jgg@ziepe.ca>, Jason Gunthorpe <jgg@nvidia.com>
Subject: [PATCH v5 02/14] dma-mapping: convert dummy ops to physical address mapping
Date: Wed, 15 Oct 2025 12:12:48 +0300	[thread overview]
Message-ID: <20251015-remove-map-page-v5-2-3bbfe3a25cdf@kernel.org> (raw)
In-Reply-To: <20251015-remove-map-page-v5-0-3bbfe3a25cdf@kernel.org>

From: Leon Romanovsky <leonro@nvidia.com>

Change dma_dummy_map_page and dma_dummy_unmap_page routines
to accept physical address and rename them.

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 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


  parent reply	other threads:[~2025-10-15  9:13 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20251015091313eucas1p2426ae40b579d7f3b4f29b46e0e788c0d@eucas1p2.samsung.com>
2025-10-15  9:12 ` [PATCH v5 00/14] Remove DMA map_page/map_resource and their unmap callbacks Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 01/14] dma-mapping: prepare dma_map_ops to conversion to physical address Leon Romanovsky
2025-10-15  9:12   ` Leon Romanovsky [this message]
2025-10-15  9:12   ` [PATCH v5 03/14] ARM: dma-mapping: Reduce struct page exposure in arch_sync_dma*() Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 04/14] ARM: dma-mapping: Switch to physical address mapping callbacks Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 05/14] xen: swiotlb: " Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 06/14] dma-mapping: remove unused mapping resource callbacks Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 07/14] alpha: Convert mapping routine to rely on physical address Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 08/14] MIPS/jazzdma: Provide physical address directly Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 09/14] parisc: Convert DMA map_page to map_phys interface Leon Romanovsky
2025-12-17 12:17     ` [PATCH v5 09/14] parisc: Convert DMA map_page to map_phys interface [qemu test failure] Guenter Roeck
2025-12-18  8:40       ` Leon Romanovsky
2025-12-18 12:11         ` Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 10/14] powerpc: Convert to physical address DMA mapping Leon Romanovsky
2025-11-14  9:02     ` Christophe Leroy
2025-10-15  9:12   ` [PATCH v5 11/14] sparc: Use " Leon Romanovsky
2026-02-17 12:27     ` John Paul Adrian Glaubitz
2026-02-17 12:55       ` Marek Szyprowski
2026-02-17 13:15         ` Leon Romanovsky
2026-02-17 13:57         ` John Paul Adrian Glaubitz
2026-02-17 15:03         ` [PATCH] sparc: iommu/pci_sun4v: fix page alignment in dma mapping stian
2026-02-17 15:42           ` John Paul Adrian Glaubitz
2025-10-15  9:12   ` [PATCH v5 12/14] x86: Use physical address for DMA mapping Leon Romanovsky
2025-10-15  9:12   ` [PATCH v5 13/14] xen: swiotlb: Convert mapping routine to rely on physical address Leon Romanovsky
2025-10-15  9:13   ` [PATCH v5 14/14] dma-mapping: remove unused map_page callback Leon Romanovsky
2025-10-20 16:27   ` [PATCH v5 00/14] Remove DMA map_page/map_resource and their unmap callbacks Marek Szyprowski
2025-10-26  7:38     ` Leon Romanovsky
2025-10-29 10:00   ` Marek Szyprowski

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