Hello
I try to debug some DMA problem on next-20210427, and so I have enabled
CONFIG_DMA_API_DEBUG=y.
But the dma-api directory does show up in debugfs, but lot of other directory
exists in it.
After debugging it seems due to commit 56348560d495 ("debugfs: do not attempt
to create a new file before the filesystem is initalized")
Reverting the commit permit to "dma-api" debugfs to be found. (but seems not
the right way to fix it).
Regards
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