sfc: don't call dma_supported
dma_set_mask already checks for a supported DMA mask before updating it, the call to dma_supported is redundant. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com> Cc: Shradha Shah <sshah@solarflare.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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