Re: [PATCH] arm64: tegra: Enable IOMMU for host1x on Tegra132

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On 16/08/2023 20:56, Rayyan Ansari wrote:
On 16/08/2023 17:24, Thierry Reding wrote:
On Thu, Aug 10, 2023 at 10:45:41PM +0100, Rayyan Ansari wrote:
Add the iommu property to the host1x node to register it with its

Signed-off-by: Rayyan Ansari <rayyan@xxxxxxxxx>
  arch/arm64/boot/dts/nvidia/tegra132.dtsi | 2 ++
  1 file changed, 2 insertions(+)

Do you happen to have a Tegra132 device that you can test upstream Linux
on? Just asking out of curiosity because these devices are becoming very
rare these days and it'd be good to know if people are still using these
and that recent Linux kernels are still running on them.

I do - I have the Nexus 9. At some point I was trying to mainline it, but I stopped as I couldn't manage to get USB working - I only got simplefb working. If it would be useful I could see if my old patches work now and submit them.

I looked through my old notes and I was able to get USB host mode (ie USB OTG) working but not USB device mode.


Rayyan Ansari

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