On Wed, Nov 29, 2017 at 04:00:40PM -0800, Bjorn Andersson wrote: > Attempt to acquire the APCS IPC through the mailbox framework and fall > back to the old syscon based approach, to allow us to move away from > using the syscon. > > Signed-off-by: Bjorn Andersson <[email protected]> > --- > > Changes since v1: > - Added dt binding update > - Specifies knows_txdone on the mailbox client > > .../devicetree/bindings/soc/qcom/qcom,smp2p.txt | 8 ++++- > drivers/soc/qcom/Kconfig | 1 + > drivers/soc/qcom/smp2p.c | 39 > ++++++++++++++++++---- > 3 files changed, 41 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt > b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt > index af9ca37221ce..a35af2dafdad 100644 > --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smp2p.txt > @@ -17,9 +17,15 @@ processor ID) and a string identifier. > Value type: <prop-encoded-array> > Definition: one entry specifying the smp2p notification interrupt > > -- qcom,ipc: > +- mboxes: > Usage: required > Value type: <prop-encoded-array> > + Definition: reference to the associated doorbell in APCS, as described > + in mailbox/mailbox.txt > + > +- qcom,ipc: > + Usage: required, unless mboxes is specified
Is this deprecated as mboxes is required, so it's never present? > + Value type: <prop-encoded-array> > Definition: three entries specifying the outgoing ipc bit used for > signaling the remote end of the smp2p edge: > - phandle to a syscon node representing the apcs registers
