When using pool space for DMA buffer, there might be duplicated calling
of gen_pool_alloc() and gen_pool_virt_to_phys() in each implementation.
Thus it's better to add a simple helper function, a compatible one to
the common dma_alloc_coherent(), to save some code.
Signed-off-by: Nicolin Chen
When using pool space for DMA buffer, there might be duplicated calling
of gen_pool_alloc() and gen_pool_virt_to_phys() in each implementation.
Thus it's better to add a simple helper function, a compatible one to
the common dma_alloc_coherent(), to save some code.
Signed-off-by: Nicolin Chen
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