On Mon, Oct 07, 2024 at 11:36:39AM +0530, Sibi Sankar wrote: > Currently the perf and powercap protocol relies on the protocol domain > attributes, which just ensures that one fastchannel per domain, before > instantiating fastchannels for all possible message-ids. Fix this by > ensuring that each message-id supports fastchannel before initialization. > Looks good to me. With the minor nit below addressed, Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> (assuming you will take this all via pmdomain or qcom soc tree) > Reported-by: Johan Hovold <johan+linaro@xxxxxxxxxx> > Closes: https://lore.kernel.org/lkml/ZoQjAWse2YxwyRJv@xxxxxxxxxxxxxxxxxxxx/ > Fixes: 6f9ea4dabd2d ("firmware: arm_scmi: Generalize the fast channel support") > Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx> > --- > drivers/firmware/arm_scmi/driver.c | 9 +++++++++ > drivers/firmware/arm_scmi/protocols.h | 2 ++ > 2 files changed, 11 insertions(+) > > diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c > index 88c5c4ff4bb6..80a9a615672a 100644 > --- a/drivers/firmware/arm_scmi/driver.c > +++ b/drivers/firmware/arm_scmi/driver.c > @@ -56,6 +56,9 @@ static atomic_t transfer_last_id; > > static struct dentry *scmi_top_dentry; > > +static int scmi_protocol_msg_check(const struct scmi_protocol_handle *ph, > + u32 message_id, u32 *attributes); > I prefer to just move the function above if possible to avoid this extra declaration just keep keep it consistent with other such internal/static function calls within this file. No hard opinion, just preference to avoid me thinking(or scratching my head) why only this is done different few months down the line. -- Regards, Sudeep