On 09/22/2017 05:37 AM, Lorenzo Pieralisi wrote: > On Thu, Sep 21, 2017 at 03:45:28PM +0800, Hanjun Guo wrote: >> On 2017/9/21 15:12, Mayuresh Chitale wrote: >>> This patch modifies the optee driver to add support for parsing >>> the conduit method from an ACPI node. >> >> Sorry I didn't involve this earlier, but I think this is a wrong >> approach, in ACPI 5.1+ spec, there is a bit in FADT table which >> indicates PSCI using SMC or HVC, please see ACPI 6.2 [1], >> Table 5-37 Fixed ACPI Description Table ARM Boot Architecture Flags. >> >> Can we just use that to get the conduit method for optee driver too? >> >> [1]: http://www.uefi.org/sites/default/files/resources/ACPI_6_2.pdf > > It is just not a matter of conduit method but also to define how OPTEE > should be detected. It is up to Linaro (who owns OP-TEE) to put forward > a binding at ACPI (ARM) spec level. > > We do not define ACPI bindings on a kernel mailing list. > > NAK on this patch. Is this actively being tracked by Linaro? If not, can Applied folks ping me off-list and I will proxy your request into Linaro. Jon. -- Computer Architect | Sent from my Fedora powered laptop -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
