Re: RE: [PATCH v3 0/2] usb: Check for DMA capable buffer sanity

[Wolfram Sang]

> So, if I2C is a bit different, then it might simply make sense to keep
> the function local for I2C now? This seems like a sensible start to me
> meanwhile.

Then again, the DMA API would be for drivers. If the USB core wants to
check for capable buffers, such a helper might be nice nonetheless.
Especially if the USB core needs the check in at least 3 places.

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