diff options
| author | Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> | 2015-08-19 02:40:30 +0300 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-10-14 15:43:51 +0300 |
| commit | 668b4ada1cdf406dac9f72503fa2f69f31bed0c5 (patch) | |
| tree | 6b59f23323ffe58fa9023e164b4ee94351175b2b /crypto/chainiv.c | |
| parent | 077124c98da3aa5aaf498fd0980ed14eaf777c09 (diff) | |
| download | linux-668b4ada1cdf406dac9f72503fa2f69f31bed0c5.tar.xz | |
iommu/arm-smmu: ThunderX mis-extends 64bit registers
The SMMU architecture defines two different behaviors when 64-bit
registers are written with 32-bit writes. The first behavior causes
zero extension into the upper 32-bits. The second behavior splits a
64-bit register into "normal" 32-bit register pairs.
On some buggy implementations, registers incorrectly zero extended
when they should instead behave as normal 32-bit register pairs.
Signed-off-by: Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com>
[will: removed redundant macro parameters]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'crypto/chainiv.c')
0 files changed, 0 insertions, 0 deletions