Messages in this thread | | | From | Felipe Balbi <> | Subject | Re: [PATCH v3] usb: dwc3: support 64 bit DMA in platform driver | Date | Thu, 10 Jun 2021 12:24:28 +0300 |
| |
Hi,
Sven Peter <sven@svenpeter.dev> writes: > Currently, the dwc3 platform driver does not explicitly ask for > a DMA mask. This makes it fall back to the default 32-bit mask which > breaks the driver on systems that only have RAM starting above the > first 4G like the Apple M1 SoC. > > Fix this by calling dma_set_mask_and_coherent with a 64bit mask. > > Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Felipe Balbi <balbi@kernel.org>
> --- > > Third time's a charm I hope - this time much simpler :) > > I still think this change should be fairly low risk. > > Unfortunately I only have the Apple M1 to test this on but here
wait a minute. The M1 includes a dwc3? That's awesome. Mind sharing a regdump? Should be in debugfs.
-- balbi [unhandled content-type:application/pgp-signature]
| |