On 2018/2/6 14:37, Yang Shunyong wrote: > Loading IORT table from initrd can be used to fix severe firmware > IORT defects temporarily before platform/BIOS vendor releases an > upgraded BIOS binary. > > Moreover, it is very powerful to debug SMMU node/device probe, MSI > allocation, stream id translation and IORT table from firmware. > > It is also very useful to enable SMMU and devices behind SMMU before > firmware is ready. > > This patch adds ACPI_SIG_IORT to the table, which enables IORT > from initrd to override which from firmware. > > Cc: Joey Zheng <yu.zh...@hxt-semitech.com> > Cc: Wang Dongsheng <dongsheng.w...@hxt-semitech.com> > Cc: Jiang Yutang <yutang2.ji...@hxt-semitech.com> > Cc: Hanjun Guo <guohan...@huawei.com> > Signed-off-by: Yang Shunyong <shunyong.y...@hxt-semitech.com>
Acked-by: Hanjun Guo <hanjun....@linaro.org> Thanks Hanjun
