Hi Mirza

Sorry, I long since wanted to give you some feedback on this as well.

BTW: Thank you very much for taking this on!

On Wed, 2016-08-24 at 15:37 +0200, Mirza Krak wrote:

From: Mirza Krak <redacted>

Hi.

This is a follow up to my previous RFC to add support for Tegra GMI
bus
controller.

I have tested this series on a Tegra30 using a Colibri T30 SOM on a
custom
carrier board which has multiple CAN controllers (SJA1000) connected
to the
GMI bus.

We once did a nice GMI-Memory Board which mates with the extension
connector X3 of our V3.x Colibri Evaluation boards and allows testing
SRAM access not only in muxed but also in non-muxed mode albeit 16-bit
only. I took your driver for a spin both on Colibri T20 as well as
Colibri T30 both in muxed as well as non-muxed mode and it passed all
tests being both manual devmem2 type reads/writes as well as memtester
runs on the full 128K SRAM giving it the physical address using the -p
argument.

So you may add the following to the whole series:

Tested-by: Marcel Ziswiler <redacted>
Tested-on: Colibri T20/T30 on EvalBoard V3.x and GMI-Memory Board

I will leave further comments on the individual patches.

BTW: Of course for non-muxed mode I also had to adjust the pin muxing
as they default to muxed.

I have rebased on top of latest tegra/for-next in V2. Also see
individual
patches for changes in V2.

See below links for previous discussions.

Comments on RFC:
https://marc.info/?l=linux-clk&m=146893557629903&w=2
https://marc.info/?l=linux-tegra&m=146893541829801&w=2
https://marc.info/?l=linux-tegra&m=146893542429814&w=2

Comments on V1:
https://marc.info/?l=linux-arm-kernel&m=147051551821122&w=2
https://marc.info/?l=linux-arm-kernel&m=147051553121150&w=2
https://marc.info/?l=linux-arm-kernel&m=147194856600627&w=2
https://marc.info/?l=linux-arm-kernel&m=147072742432211&w=2


Mirza Krak (6):
? clk: tegra: add TEGRA20_CLK_NOR to init table
? clk: tegra: add TEGRA30_CLK_NOR to init table
? dt/bindings: Add bindings for Tegra GMI controller
? ARM: tegra: Add Tegra30 GMI support
? ARM: tegra: Add Tegra20 GMI support
? bus: Add support for Tegra Generic Memory Interface

?.../devicetree/bindings/bus/nvidia,tegra20-gmi.txt | 132
++++++++++++
?arch/arm/boot/dts/tegra20.dtsi?????????????????????|??13 ++
?arch/arm/boot/dts/tegra30.dtsi?????????????????????|??12 ++
?drivers/bus/Kconfig????????????????????????????????|???8 +
?drivers/bus/Makefile???????????????????????????????|???1 +
?drivers/bus/tegra-gmi.c????????????????????????????| 231
+++++++++++++++++++++
?drivers/clk/tegra/clk-tegra20.c????????????????????|???1 +
?drivers/clk/tegra/clk-tegra30.c????????????????????|???1 +
?8 files changed, 399 insertions(+)
?create mode 100644
Documentation/devicetree/bindings/bus/nvidia,tegra20-gmi.txt
?create mode 100644 drivers/bus/tegra-gmi.c

--
2.1.4

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Cheers

Marcel