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xen/arm: use dev_is_dma_coherent

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Use the dma-noncoherent dev_is_dma_coherent helper instead of the home
grown variant.  Note that both are always initialized to the same
value in arch_setup_dma_ops.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
This commit is contained in:
Christoph Hellwig
2019-07-24 14:06:54 +02:00
parent bef4d2037d
commit a8e6d950cd
3 changed files with 6 additions and 21 deletions
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6
arch/arm/include/asm/dma-mapping.h
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@@ -91,12 +91,6 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
}
#endif
/* do not use this function in a driver */
static inline bool is_device_dma_coherent(struct device *dev)
{
return dev->archdata.dma_coherent;
}
/**
* arm_dma_alloc - allocate consistent memory for DMA
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices