linux-kernel - Re: [PATCH v5 2/2] clk: intel: Add CGU clock driver for a new SoC

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Date:   Tue, 3 Mar 2020 11:37:23 +0800
From:   "Tanwar, Rahul" <rahul.tanwar@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...el.com>
Cc:     Randy Dunlap <rdunlap@...radead.org>, mturquette@...libre.com,
        sboyd@...nel.org, robh@...nel.org, mark.rutland@....com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, qi-ming.wu@...el.com,
        yixin.zhu@...ux.intel.com, cheol.yong.kim@...el.com,
        rtanwar <rahul.tanwar@...el.com>
Subject: Re: [PATCH v5 2/2] clk: intel: Add CGU clock driver for a new SoC



On 27/2/2020 6:02 PM, Andy Shevchenko wrote:
> On Thu, Feb 27, 2020 at 03:19:26PM +0800, Tanwar, Rahul wrote:
>> On 19/2/2020 3:59 PM, Randy Dunlap wrote:
>>> On 2/18/20 11:40 PM, Rahul Tanwar wrote:
>>>
>>>> +config CLK_LGM_CGU
>>>> +	depends on (OF && HAS_IOMEM) || COMPILE_TEST
>>> This "depends on" looks problematic to me. I guess we shall see when
>>> all the build bots get to it.
>> At the moment, i am not able to figure out possible problems in this..
> COMPILE_TEST should be accompanied by non-generic dependency.
> There is none.
>
> So, I quite agree with Randy.

I see COMPILE_TEST is mostly ORed with ARCH_xx. How about below?

depends on OF && HAS_IOMEM && (CONFIG_X86 || COMPILE_TEST)

>>>> +	select OF_EARLY_FLATTREE
>>> If OF is not set and HAS_IOMEM is not set, but COMPILE_TEST is set,
>>> I expect that this should not be attempting to select OF_EARLY_FLATTREE.
>>>
>>> Have you tried such a config combination?
>> Agree, that would be a problem. I will change it to
>>
>> select OF_EARLY_FLATTREE if OF
> Nope, I think this is wrong work around.
> See above.

With above proposed change, i can simply switch to
select OF_EARLY_FLATTREE since all dependencies are already
in place..

Thanks.

Regards,
Rahul