On Thu, Jun 27, 2024 at 10:58:58AM +0100, Jon Hunter wrote: > > On 27/06/2024 10:49, Christoph Hellwig wrote: >> On Thu, Jun 27, 2024 at 10:43:24AM +0100, Jon Hunter wrote: >>> We have just noticed that since Linux v6.9 was released, that if we >>> build the kernel with 64kB MMU pages, then we see the following WARNING >>> and probe failure ... >> >> The old code upgraded the limits to the PAGE_SIZE for this case after >> issunig a warning. Your driver probably incorrectly advertised the >> lower max_segment_size. Try setting it to 64k. I would have sent you >> a patch for that, but I can't see what mmc host driver you are using. > > > We are using the sdhci-tegra.c driver. I don't see it set in there, but I > see references to max_seg_size in the main sdhci.c driver. sdhci-tegra.c sets SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC for various devices, I guess you have one od those? This sounds like the device might not actually need it, but I'll need help from the SDHCI and tegra maintainers here.
