Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1735034
| From | "Andrew F. Davis" <afd@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method |
| Date | 2017-09-19 18:00 +0200 |
| Message-ID | <urt6i-7kk-7@gated-at.bofh.it> (permalink) |
| References | <urbj4-32d-21@gated-at.bofh.it> <urbj5-32d-23@gated-at.bofh.it> <urqUN-62D-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 09/19/2017 08:36 AM, Rob Herring wrote: > On Mon, Sep 18, 2017 at 3:50 PM, Andrew F. Davis <afd@ti.com> wrote: >> On TI platforms OP-TEE must be called using a modified SMC call, >> allow the selection of this though DT. >> >> Signed-off-by: Andrew F. Davis <afd@ti.com> >> --- >> Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt | 2 ++ >> drivers/tee/optee/core.c | 2 ++ >> 2 files changed, 4 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt >> index d38834c67dff..a3275ecdf186 100644 >> --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt >> +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt >> @@ -20,6 +20,8 @@ the reference implementation maintained by Linaro. >> "hvc" : HVC #0, with the register assignments specified >> in drivers/tee/optee/optee_smc.h >> >> + "ti-smc" : Similar to "smc" with TI specific register >> + adjustments > > Sigh, really? IMO, this should be determined from the compatible > string. Then the next TI (or any vendor) specific thing can be handled > without a DT change. > Which compatible string, do you mean the OP-TEE driver check the top level platform compatible string? > Maybe some day we'll figure out that not just h/w needs to be > probe-able, but all the firmware pieces do too. > > Rob >
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 1/2] ARM: smccc-call: Use r12 to route secure monitor calls on TI platforms "Andrew F. Davis" <afd@ti.com> - 2017-09-18 23:00 +0200
[PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method "Andrew F. Davis" <afd@ti.com> - 2017-09-18 23:00 +0200
Re: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method Rob Herring <robh+dt@kernel.org> - 2017-09-19 15:40 +0200
Re: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method "Andrew F. Davis" <afd@ti.com> - 2017-09-19 18:00 +0200
Re: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method Rob Herring <robh+dt@kernel.org> - 2017-09-19 23:20 +0200
Re: [PATCH 2/2] tee: optee: allow selection of ti-smc as a calling method Mark Rutland <mark.rutland@arm.com> - 2017-09-19 16:20 +0200
Re: [PATCH 1/2] ARM: smccc-call: Use r12 to route secure monitor calls on TI platforms Mark Rutland <mark.rutland@arm.com> - 2017-09-19 16:30 +0200
Re: [PATCH 1/2] ARM: smccc-call: Use r12 to route secure monitor calls on TI platforms "Andrew F. Davis" <afd@ti.com> - 2017-09-19 17:10 +0200
Re: [PATCH 1/2] ARM: smccc-call: Use r12 to route secure monitor calls on TI platforms Mark Rutland <mark.rutland@arm.com> - 2017-09-21 16:50 +0200
csiph-web