linux-kernel - Re: [PATCH v1 1/3] clk: fractional-divider: Export approximation algo to the CCF users

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Date:   Thu, 15 Jul 2021 18:58:40 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        kernel test robot <lkp@...el.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, kbuild-all@...ts.01.org,
        Michael Turquette <mturquette@...libre.com>
Subject: Re: [PATCH v1 1/3] clk: fractional-divider: Export approximation algo
 to the CCF users

On 2021-07-15 17:51, Andy Shevchenko wrote:
> On Thu, Jul 15, 2021 at 7:49 PM kernel test robot <lkp@...el.com> wrote:
>> I love your patch! Yet something to improve:
> 
> Definitely!
> 
>> All errors (new ones prefixed by >>):
>>
>>>> drivers/clk/rockchip/clk.c:27:10: fatal error: clk-fractional-divider.h: No such file or directory
>>        27 | #include "clk-fractional-divider.h"
>>           |          ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>     compilation terminated.
> 
> Indeed. No idea how to compile-test this on x86.
> Let me see what I can do to avoid other issues.

Ha, the individual SoC-specific parts have COMPILE_TEST support, but the 
top-level COMMON_CLK_ROCKCHIP doesn't. That could probably be fixed.

Otherwise, you can always grab a toolchain from [1] (if your distro 
doesn't offer one already) and cross-compile - defconfig for arm64 or 
multi_v7_defconfig for arm should cover it.

Robin.

[1] https://cdn.kernel.org/pub/tools/crosstool/