net: stmmac: move dma allocation to new function
This patch moves dma resource allocation to a new function alloc_dma_desc_resources, the reason for moving this to a new function is to keep the memory allocations in a separate function. One more reason it to get suspend and hibernation cases working without releasing and allocating these resources during suspend-resume and freeze-restore cases. Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@st.com> Acked-by: NGiuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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