From: Christoph Hellwig <hch@lst.de>
To: Russell King <linux@armlinux.org.uk>, Arnd Bergmann <arnd@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Andre Przywara <andre.przywara@arm.com>,
Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: [PATCH 04/10] ARM/dma-mapping: remove the unused virt_to_dma helper
Date: Mon, 2 May 2022 09:43:24 -0700 [thread overview]
Message-ID: <20220502164330.229685-5-hch@lst.de> (raw)
In-Reply-To: <20220502164330.229685-1-hch@lst.de>
virt_to_dma was only used by the now removed dmabounce code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/arm/include/asm/dma-direct.h | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/arch/arm/include/asm/dma-direct.h b/arch/arm/include/asm/dma-direct.h
index 77fcb7ee5ec90..6fd52713b5d12 100644
--- a/arch/arm/include/asm/dma-direct.h
+++ b/arch/arm/include/asm/dma-direct.h
@@ -5,7 +5,7 @@
#include <asm/memory.h>
/*
- * dma_to_pfn/pfn_to_dma/virt_to_dma are architecture private
+ * dma_to_pfn/pfn_to_dma are architecture private
* functions used internally by the DMA-mapping API to provide DMA
* addresses. They must not be used by drivers.
*/
@@ -25,14 +25,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr)
return pfn;
}
-static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
-{
- if (dev)
- return pfn_to_dma(dev, virt_to_pfn(addr));
-
- return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
-}
-
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
unsigned int offset = paddr & ~PAGE_MASK;
--
2.30.2
next prev parent reply other threads:[~2022-05-02 16:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-02 16:43 fully convert arm to use dma-direct v2 Christoph Hellwig
2022-05-02 16:43 ` [PATCH 01/10] ARM: sa1100/assabet: move dmabounce hack to ohci driver Christoph Hellwig
2022-05-02 16:43 ` [PATCH 02/10] ARM/dma-mapping: remove dmabounce Christoph Hellwig
2022-05-02 16:43 ` [PATCH 03/10] ARM/dma-mapping: mark various dma-mapping routines static in dma-mapping.c Christoph Hellwig
2022-05-02 16:43 ` Christoph Hellwig [this message]
2022-05-02 19:21 ` [PATCH 04/10] ARM/dma-mapping: remove the unused virt_to_dma helper Arnd Bergmann
2022-05-02 16:43 ` [PATCH 05/10] ARM/dma-mapping: use dma_to_phys/phys_to_dma in the dma-mapping code Christoph Hellwig
2022-05-02 16:43 ` [PATCH 06/10] ARM/dma-mapping: use the generic versions of dma_to_phys/phys_to_dma by default Christoph Hellwig
2022-05-02 16:43 ` [PATCH 07/10] ARM/dma-mapping: use dma-direct unconditionally Christoph Hellwig
2022-05-02 16:43 ` [PATCH 08/10] ARM/dma-mapping: drop .dma_supported for IOMMU ops Christoph Hellwig
2022-05-02 16:43 ` [PATCH 09/10] ARM/dma-mapping: consolidate IOMMU ops callbacks Christoph Hellwig
2022-05-02 16:43 ` [PATCH 10/10] ARM/dma-mapping: merge IOMMU ops Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2022-06-14 9:20 fully convert arm to use dma-direct v3 Christoph Hellwig
2022-06-14 9:20 ` [PATCH 04/10] ARM/dma-mapping: remove the unused virt_to_dma helper Christoph Hellwig
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