From: Heiner Kallweit
Date: Thu, 27 Jun 2019 23:12:39 +0200
> Documentation/DMA-API-HOWTO.txt states:
> By default, the kernel assumes that your device can address 32-bits of
> DMA addressing. For a 64-bit capable device, this needs to be increased,
> and for a device with limitations, it needs t
Documentation/DMA-API-HOWTO.txt states:
By default, the kernel assumes that your device can address 32-bits of
DMA addressing. For a 64-bit capable device, this needs to be increased,
and for a device with limitations, it needs to be decreased.
Therefore we don't need the 32 Bit DMA fallback confi