Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1736435

Re: [PATCH] tee: ACPI support for optee driver

Show all headers | View raw

On Thu, Sep 21, 2017 at 1:15 PM, Hanjun Guo <guohanjun@huawei.com> 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?
Thanks for the comment. I will check it out.
>
> [1]: http://www.uefi.org/sites/default/files/resources/ACPI_6_2.pdf
>
> Thanks
> Hanjun
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH] tee: ACPI support for optee driver Mayuresh Chitale <mchitale@apm.com> - 2017-09-21 09:20 +0200
  Re: [PATCH] tee: ACPI support for optee driver Hanjun Guo <guohanjun@huawei.com> - 2017-09-21 09:50 +0200
    Re: [PATCH] tee: ACPI support for optee driver Mayuresh Chitale <mchitale@apm.com> - 2017-09-21 10:00 +0200
    Re: [PATCH] tee: ACPI support for optee driver Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-09-22 11:40 +0200

csiph-web