[PATCH] iommu/riscv: Add IOTINVAL after updating DDT/PDT entries

[Andrew Jones]

On Fri, Jan 16, 2026 at 02:12:06PM -0600, Andrew Jones wrote:
...
> > @@ -1055,6 +1135,11 @@ static void riscv_iommu_iodir_update(struct riscv_iommu_device *iommu,
> >  		/* Invalidate device context after update */
> >  		riscv_iommu_cmd_iodir_inval_ddt(&cmd);
> >  		riscv_iommu_cmd_iodir_set_did(&cmd, fwspec->ids[i]);
> > +		/*
> > +		 * For now, the SVA and PASID features have not yet been merged, the
> > +		 * default configuration is inval_pdt=false and pc=NULL.
> > +		 */
> > +		riscv_iommu_iodir_iotinval(iommu, false, dc->iohgatp, dc, NULL);

Shouldn't this iotinval come after the cmd-send below?

> >  		riscv_iommu_cmd_send(iommu, &cmd);
> >  	}
> >  
> > -- 
> > 2.50.1
> >

Thanks,
drew