Hello Oleksandr-san, > From: Oleksandr Tyshchenko, Sent: Sunday, November 28, 2021 2:52 AM > > From: Oleksandr Tyshchenko <[email protected]> > > This is a non-verbatim port of corresponding Linux upsteam commit: > 1289f7f15001c7ed36be6d23cb145c1d5feacdc8 > > Original commit message: > commit 1289f7f15001c7ed36be6d23cb145c1d5feacdc8 > Author: Yoshihiro Shimoda <[email protected]> > Date: Wed Nov 6 11:35:50 2019 +0900 > > iommu/ipmmu-vmsa: Add utlb_offset_base > > Since we will have changed memory mapping of the IPMMU in the future, > this patch adds a utlb_offset_base into struct ipmmu_features > for IMUCTR and IMUASID registers. No behavior change. > > Signed-off-by: Yoshihiro Shimoda <[email protected]> > Reviewed-by: Niklas Söderlund <[email protected]> > Signed-off-by: Joerg Roedel <[email protected]> > > ********** > > This is a prereq work needed to add support for S4 series easily > in the future. > > Almost the same change as original commit makes, but without updating > struct ipmmu_features_default which Xen driver doesn't have (there is > no support of old Arm32 based Gen2 SoCs). > > No change in behavior. > > Signed-off-by: Oleksandr Tyshchenko <[email protected]>
Thank you for the patch! Reviewed-by: Yoshihiro Shimoda <[email protected]> Best regards, Yoshihiro Shimoda
