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dma-mapping: drop the dev argument to arch_sync_dma_for_*

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These are pure cache maintainance routines, so drop the unused
struct device argument.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Christoph Hellwig
2019-11-07 18:03:11 +01:00
parent e380a0394c
commit 56e35f9c5b
26 changed files with 113 additions and 114 deletions
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12
arch/mips/mm/dma-noncoherent.c
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@@ -27,7 +27,7 @@
* R10000 and R12000 are used in such systems, the SGI IP28 Indigo² rsp.
* SGI IP32 aka O2.
*/
static inline bool cpu_needs_post_dma_flush(struct device *dev)
static inline bool cpu_needs_post_dma_flush(void)
{
switch (boot_cpu_type()) {
case CPU_R10000:
@@ -112,17 +112,17 @@ static inline void dma_sync_phys(phys_addr_t paddr, size_t size,
} while (left);
}
void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
dma_sync_phys(paddr, size, dir);
}
#ifdef CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU
void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr,
size_t size, enum dma_data_direction dir)
void arch_sync_dma_for_cpu(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
if (cpu_needs_post_dma_flush(dev))
if (cpu_needs_post_dma_flush())
dma_sync_phys(paddr, size, dir);
}
#endif