Messages in this thread | | | Subject | Re: [PATCH 1/2] [v4] net: emac: emac gigabit ethernet controller driver | From | Timur Tabi <> | Date | Fri, 15 Apr 2016 10:44:48 -0500 |
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Rob Herring wrote: >> > >> > dma-mask = <0 0xffffffff>; >> > >> >or >> > >> > dma-mask = <0xffffffff 0xffffffff>; > No. See dma-ranges.
How exactly should I use dma-ranges? I can't find any other drivers that queries that property and uses the result to call dma_set_mask. I thought the dma-ranges property is intended to specify address translation. I don't need to translate any address, I just need to know a single number.
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