linux-kernel - Re: linux-next: build failure after merge of the arm64 tree

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Message-ID: <e12a12a4-ab6c-ff4a-5cb8-10e498e696a5@amlogic.com>
Date:   Tue, 22 Nov 2022 12:17:24 +0800
From:   Jiucheng Xu <jiucheng.xu@...ogic.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
CC:     Chris Healy <healych@...zon.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the arm64 tree

Hi Stephen,

Could you please share your compiler information, commit id and other

environments info for me to reproduce the building error?

Thanks,

Jiucheng

On 2022/11/22 7:41, Stephen Rothwell wrote:
> Hi all,
>
> After merging the arm64 tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/perf/amlogic/meson_g12_ddr_pmu.c: In function 'dmc_g12_get_freq_quick':
> drivers/perf/amlogic/meson_g12_ddr_pmu.c:135:15: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]
>    135 |         val = readl(info->pll_reg);
>        |               ^~~~~
> drivers/perf/amlogic/meson_g12_ddr_pmu.c: In function 'dmc_g12_counter_enable':
> drivers/perf/amlogic/meson_g12_ddr_pmu.c:204:9: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]
>    204 |         writel(clock_count, info->ddr_reg[0] + DMC_MON_G12_TIMER);
>        |         ^~~~~~
>
> Caused by commit
>
>    2016e2113d35 ("perf/amlogic: Add support for Amlogic meson G12 SoC DDR PMU driver")
>
> I have used the arm64 tree from next-20221121 for today.
>
-- 
Thanks,
Jiucheng