Re: [PATCH 2/2] mtd: rawnand: use bounce buffer when vmalloced data buf detected

From: Richard Weinberger
Date: Mon Sep 30 2019 - 16:55:06 EST


----- UrsprÃngliche Mail -----
> Von: "Kamal Dasu" <kamal.dasu@xxxxxxxxxxxx>
> This has been observed on MIPS4K and MIPS5K architectures. There is a
> check on the controller driver to use pio in such cases.

I fear your kernel misses commit:
074a1e1167af ("MIPS: Bounds check virt_addr_valid")

Thanks,
//richard