Re: [PATCH v3 4/6] bus: Add Baikal-T1 AXI-bus driver

From: Arnd Bergmann
Date: Thu May 28 2020 - 08:15:24 EST

On Thu, May 28, 2020 at 12:01 AM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Tuesday, May 26, 2020, Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx> wrote:
>> AXI3-bus is the main communication bus connecting all high-speed
>> peripheral IP-cores with RAM controller and MIPS P5600 cores on Baikal-T1
>> SoC. Bus traffic arbitration is done by means of DW AMBA 3 AXI
>> Interconnect (so called AXI Main Interconnect) routing IO requests from
>> one SoC block to another. This driver provides a way to detect any bus
>> protocol errors and device not responding situations by means of an
>> embedded on top of the interconnect errors handler block (EHB). AXI
>> Interconnect QoS arbitration tuning is currently unsupported.
>> The bus doesn't provide a way to detect the interconnected devices,
>> so they are supposed to be statically defined like by means of the
>> simple-bus sub-nodes.
> Few comments in case if you need a new version. Main point is about sysfs_streq().

I've applied the patch now and folded in fixes for the build warnings and
errors pointed out by the test robot, but I did not include the changes you

Serge, could you send a follow-up patch to address those?