Re: [PATCH 0/3] arm64: tegra: Add iommu and dma properties for Tegra194 QSPI

[Jon Hunter <jonathanh@nvidia.com>]

On 19/05/2026 17:48, Aaron Kling wrote:

...

> I could update the commit message to be more like 'Enable DMA support
> for Tegra194 QSPI', sure.

Thanks.

> The primary kernel version I'm working on currently is 6.18,
> specifically googles android common kernel fork of it. I also
> replicated the issue on 6.12 and android-mainline which is currently
> 7.0-ish.

So I also observed issues with Linux v6.18. However, Linux v7.0 is 
working fine for me.

> I was not normally seeing issues on boot, though I think I did hit
> that a couple times when jumping around versions. Where I had trouble
> was active use of the flash chip, like read/writing the slot metadata
> for a/b support or writing the flash for inline bootloader updates.
> The issue wasn't always triggering a cbb panic, but it was (almost?)
> always timing out and failing to read or write the flash chip.

OK, then you are doing more significant testing that I am. I was just 
seeing issues on boot, but with Linux v7.0 I no longer see issues on boot.

Jon

-- 
nvpublic