[PATCH RESEND 0/2] riscv: iommu: Add shutdown callback for kexec

[Joerg Roedel]

On Fri, Jan 03, 2025 at 05:32:18PM +0800, Xu Lu wrote:
> After kexec, the newly booted kernel can not initialize iommu driver
> successfully as no one resets iommu state before kexec.
> 
> This patch series supplies shutdown callback for iommu driver. The shutdown
> callback resets necessary registers so that newly booted kernel can pass
> riscv_iommu_init_check() after kexec.
> 
> Xu Lu (2):
>   iommu/riscv: Empty iommu queue before enabling it
>   iommu/riscv: Add shutdown function for iommu driver
> 
>  drivers/iommu/riscv/iommu-pci.c      |  8 ++++++++
>  drivers/iommu/riscv/iommu-platform.c |  6 ++++++
>  drivers/iommu/riscv/iommu.c          | 12 ++++++++++--
>  drivers/iommu/riscv/iommu.h          |  1 +
>  4 files changed, 25 insertions(+), 2 deletions(-)

Applied, thanks.