Re: [PATCHv6 2/3] firmware/qcom_scm: Add scm call to handle smmu errata

2019-09-18 Thread Stephen Boyd
Quoting Sai Prakash Ranjan (2019-09-17 02:45:03) > From: Vivek Gautam > > Qcom's smmu-500 needs to toggle wait-for-safe sequence to > handle TLB invalidation sync's. > Few firmwares allow doing that through SCM interface. > Add API to toggle wait for safe from firmware through a > SCM call. > >

[PATCHv6 2/3] firmware/qcom_scm: Add scm call to handle smmu errata

2019-09-17 Thread Sai Prakash Ranjan
From: Vivek Gautam Qcom's smmu-500 needs to toggle wait-for-safe sequence to handle TLB invalidation sync's. Few firmwares allow doing that through SCM interface. Add API to toggle wait for safe from firmware through a SCM call. Signed-off-by: Vivek Gautam Reviewed-by: Bjorn Andersson Signed-o