[Adding Sasha for visibility] Hi Mika, > There is a BIOS bug on Intel Tiger Lake and Alder Lake systems that > accidentally clears the root port PIO log size even though it should be 4. > Fix the affected root ports by forcing the log size to be 4 if it is set > to 0. The BIOS for the next generation CPUs should have this fixed. Thank you for the fix! > Link: https://bugzilla.kernel.org/show_bug.cgi?id=209943 I've added Sasha, as there is probably a lot of the 11th and 12th generation of Intel hardware out there that might warrant a backport to stable kernels. Krzysztof
