Re: [PATCH v3 1/3] interconnect: Add generic on-chip interconnect API

From: Bjorn Andersson
Date: Fri Oct 20 2017 - 18:35:08 EST


On Fri 20 Oct 07:43 PDT 2017, Georgi Djakov wrote:

> Hi,
>
> On 09/08/2017 08:18 PM, Georgi Djakov wrote:
> > This patch introduce a new API to get requirements and configure the
> > interconnect buses across the entire chipset to fit with the current demand.
> >
> > The API is using a consumer/provider-based model, where the providers are
> > the interconnect buses and the consumers could be various drivers.
> > The consumers request interconnect resources (path) between endpoints and
> > set the desired constraints on this data flow path. The providers receive
> > requests from consumers and aggregate these requests for all master-slave
> > pairs on that path. Then the providers configure each participating in the
> > topology node according to the requested data flow path, physical links and
> > constraints. The topology could be complicated and multi-tiered and is SoC
> > specific.
> >
> > Signed-off-by: Georgi Djakov <georgi.djakov@xxxxxxxxxx>
> > ---
> > Documentation/interconnect/interconnect.rst | 93 +++++++
> > drivers/Kconfig | 2 +
> > drivers/Makefile | 1 +
> > drivers/interconnect/Kconfig | 10 +
> > drivers/interconnect/Makefile | 1 +
> > drivers/interconnect/interconnect.c | 382 ++++++++++++++++++++++++++++
> > include/linux/interconnect-consumer.h | 73 ++++++
> > include/linux/interconnect-provider.h | 119 +++++++++
> > 8 files changed, 681 insertions(+)
> > create mode 100644 Documentation/interconnect/interconnect.rst
> > create mode 100644 drivers/interconnect/Kconfig
> > create mode 100644 drivers/interconnect/Makefile
> > create mode 100644 drivers/interconnect/interconnect.c
> > create mode 100644 include/linux/interconnect-consumer.h
> > create mode 100644 include/linux/interconnect-provider.h
>
> Any comments on this patch?
>

Sorry, I still haven't found the time to do a proper review of this yet.

> I am planning to change the prefix that is used for naming for example
> the functions from "interconnect_" to something shorter like icbus_.
>

This isn't implementing a bus; if you feel that just ic_ is too short I
would suggest naming things inter_. (But keep the full name in the file
names)

Regards,
Bjorn