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ARM/dma-mapping: remove the dma_coherent member of struct dev_archdata

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Since commit ae626eb973 ("ARM/dma-mapping: use dma-direct
unconditionally") only the dma_coherent flag in struct device is used,
so remove the now write only flag in struct dev_archdata.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Christoph Hellwig
2022-10-06 09:43:01 +02:00
parent 49bc8bebae
commit c9cb01369b
2 changed files with 1 additions and 4 deletions
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1
arch/arm/include/asm/device.h
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@@ -9,7 +9,6 @@ struct dev_archdata {
#ifdef CONFIG_ARM_DMA_USE_IOMMU
struct dma_iommu_mapping *mapping;
#endif
unsigned int dma_coherent:1;
unsigned int dma_ops_setup:1;
};

4
arch/arm/mm/dma-mapping.c
View File

@@ -1775,10 +1775,8 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
* here, but instead have to make sure we only set but never clear it
* for now.
*/
if (coherent) {
dev->archdata.dma_coherent = true;
if (coherent)
dev->dma_coherent = true;
}
/*
* Don't override the dma_ops if they have already been set. Ideally