討論串bus_dmamem_alloc confusion
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Well, presumably via /dev/mem when given the physical address. It's. usually better (but more complex) to do it via the device mmap API.. The device c
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On Fri, Oct 15, 2004 at 09:00:14PM -0700, Chuck Tuffli wrote:. > For a 4096 byte allocation the kva and. > bus address (b) were (a is the alignment).
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Well, it's hard to say without more information. I have no idea what. you are using to generate that output, for example, but I would suggest. writing
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More weirdness in bus_dma land. The driver I'm working on (**** not in. the tree, but available if interested ****) allocates bus memory. according to
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