Re: [PATCH 5/7] clk: samsung: exynos542x: Add the clock id for ACLK

From: Chanwoo Choi
Date: Thu Apr 14 2016 - 02:28:28 EST


Hi Tomasz and Krzysztof,

On 2016ë 04ì 13ì 15:20, Tomasz Figa wrote:
> 2016-04-12 14:25 GMT+03:00 Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>:
>> On 04/08/2016 07:00 AM, Chanwoo Choi wrote:
>>> This patch adds the clock id for ACLK clock which is source clock of AMBA AXI
>>> Bus. This clock should be handled in Bus frequency scaling driver.
>>>
>>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>>> ---
>>> drivers/clk/samsung/clk-exynos5420.c | 85 +++++++++++++++++++++++-------------
>>> 1 file changed, 55 insertions(+), 30 deletions(-)
>>
>> The IDs itself look good but you are not adding only clock ID. You are
>> changing all of them from NULL-flags to CLK_SET_RATE_PARENT. This should
>> be explained in the commit message why you need it. Probably it should
>> be also in separate commit.
>
> +1. And CLK_SET_RATE_PARENT for a clock which has a mux as its parent
> is a bit suspicious, so I'd like to know the rationale for each single
> clock with CLK_SET_RATE_PARENT being added.

This patch don't need the CLK_SET_RATE_PARENT flag. As Tomasz's comment,
the mux of divider's parent don't need this flag. Sorry for confusion.

I'll drop the CLK_SET_RATE_PARENT flag.

Best Regards,
Chanwoo Choi