Re: [PATCH v3 01/20] PM / devfreq: exynos: Add generic exynos bus frequency driver

Hi Krzysztof and Myungjoo,

On 2015년 12월 11일 17:03, Krzysztof Kozlowski wrote:

On 11.12.2015 16:52, Chanwoo Choi wrote:

quoted

Dear MyungJoo,

Almost device tree patches in this series are reviewed by Exynos maintainer.
Could you please review this series?

Are there any objections to merging DT patches through Samsung-soc?

Looking at the code, there are no dependencies between DT and drivers,
right?

Yes.
There is no dependency between exynos-bus.c patches and DT patches.
If the design concept of exynos-bus.c don't be changed,
there is no problem to merge the DT patches to samsung-soc tree.

Best Regards,
Chanwoo Choi

Best regards,
Krzysztof

quoted

Best Regards,
Chanwoo Choi

On 2015년 12월 11일 14:07, Chanwoo Choi wrote:

quoted

This patch adds the generic exynos bus frequency driver for AMBA AXI bus
of sub-blocks in exynos SoC with DEVFREQ framework. The Samsung Exynos SoC
have the common architecture for bus between DRAM and sub-blocks in SoC.
This driver can support the generic bus frequency driver for Exynos SoCs.

In devicetree, Each bus block has a bus clock, regulator, operation-point
and devfreq-event devices which measure the utilization of each bus block.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
[linux.amoon: Tested on Odroid U3]
Tested-by: Anand Moon <redacted>
---
 drivers/devfreq/Kconfig             |  15 ++
 drivers/devfreq/Makefile            |   1 +
 drivers/devfreq/exynos/Makefile     |   1 +
 drivers/devfreq/exynos/exynos-bus.c | 449 ++++++++++++++++++++++++++++++++++++
 4 files changed, 466 insertions(+)
 create mode 100644 drivers/devfreq/exynos/exynos-bus.c

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