| Message ID | 20201216205805.4221-2-james.quinlan@broadcom.com |
|---|---|
| State | Accepted |
| Commit | 99a064fb3a73920262119efead4d5048b7da2f55 |
| Headers | show |
| Series | firmware: arm_scmi: Augment SMC/HVC to allow optional interrupt | expand |
On Wed, Dec 16, 2020 at 03:58:01PM -0500, Jim Quinlan wrote: > In normal use of smc/hvc transport in SCMI the message completion is > indicated by the return of the SMC call. This commit provides for an > optional interrupt named "message-serviced" which is used instead to s/message-serviced/a2p/ > indicate the completion of a message. > > Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com> checkpatch.pl reports your author and Sob emails don't match. > --- > Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt > index b5ce5b39bb9c..667d58e0a659 100644 > --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt > +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt > @@ -31,6 +31,14 @@ Optional properties: > > - mbox-names: shall be "tx" or "rx" depending on mboxes entries. > > +- interrupts : when using smc or hvc transports, this optional > + property indicates that msg completion by the platform is indicated > + by an interrupt rather than by the return of the smc call. This > + should not be used except when the platform requires such behavior. > + > +- interrupt-names : if "interrupts" is present, interrupt-names must also > + be present and have the value "a2p". > + > See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details > about the generic mailbox controller and client driver bindings. > > -- > 2.17.1 >
diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt index b5ce5b39bb9c..667d58e0a659 100644 --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt @@ -31,6 +31,14 @@ Optional properties: - mbox-names: shall be "tx" or "rx" depending on mboxes entries. +- interrupts : when using smc or hvc transports, this optional + property indicates that msg completion by the platform is indicated + by an interrupt rather than by the return of the smc call. This + should not be used except when the platform requires such behavior. + +- interrupt-names : if "interrupts" is present, interrupt-names must also + be present and have the value "a2p". + See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details about the generic mailbox controller and client driver bindings.
In normal use of smc/hvc transport in SCMI the message completion is indicated by the return of the SMC call. This commit provides for an optional interrupt named "message-serviced" which is used instead to indicate the completion of a message. Signed-off-by: Jim Quinlan <james.quinlan@broadcom.com> --- Documentation/devicetree/bindings/arm/arm,scmi.txt | 8 ++++++++ 1 file changed, 8 insertions(+)