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Message-Id: <20220614092047.572235-5-hch@lst.de>
Date: Tue, 14 Jun 2022 11:20:41 +0200
From: Christoph Hellwig <hch@....de>
To: Russell King <linux@...linux.org.uk>,
Arnd Bergmann <arnd@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Andre Przywara <andre.przywara@....com>,
Andrew Lunn <andrew@...n.ch>,
Gregory Clement <gregory.clement@...tlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alan Stern <stern@...land.harvard.edu>,
Laurentiu Tudor <laurentiu.tudor@....com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Robin Murphy <robin.murphy@....com>,
iommu@...ts.linux-foundation.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Marc Zyngier <maz@...nel.org>
Subject: [PATCH 04/10] ARM/dma-mapping: remove the unused virt_to_dma helper
virt_to_dma was only used by the now removed dmabounce code.
Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Arnd Bergmann <arnd@...db.de>
Tested-by: Marc Zyngier <maz@...nel.org>
---
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
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