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Subject: Re: [PATCH 09/10] timer-riscv: Fix undefined riscv_time_val
To:     Daniel Lezcano <daniel.lezcano@linaro.org>,
        Palmer Dabbelt <palmer@dabbelt.com>, <tglx@linutronix.de>
CC:     Paul Walmsley <paul.walmsley@sifive.com>, <aou@eecs.berkeley.edu>,
        <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        <hulkci@huawei.com>
References: <mhng-0c491e9e-41fd-4f76-a048-55c03d9359f0@palmerdabbelt-glaptop1>
 <66121f9a-48f3-d3a5-7c96-d71397e12aed@linaro.org>
From:   Kefeng Wang <wangkefeng.wang@huawei.com>
Message-ID: <0bc3eb36-7b9d-7c86-130c-68b566e85c10@huawei.com>
Date:   Mon, 18 May 2020 23:40:52 +0800
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On 2020/5/18 22:09, Daniel Lezcano wrote:
> On 13/05/2020 23:14, Palmer Dabbelt wrote:
>> On Sun, 10 May 2020 19:20:00 PDT (-0700), wangkefeng.wang@huawei.com wrote:
>>> ERROR: modpost: "riscv_time_val" [crypto/tcrypt.ko] undefined!
>>>
>>> Reported-by: Hulk Robot <hulkci@huawei.com>
>>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>>> ---
>>>   drivers/clocksource/timer-riscv.c | 1 +
>>>   1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/clocksource/timer-riscv.c
>>> b/drivers/clocksource/timer-riscv.c
>>> index c4f15c4068c0..071b8c144027 100644
>>> --- a/drivers/clocksource/timer-riscv.c
>>> +++ b/drivers/clocksource/timer-riscv.c
>>> @@ -19,6 +19,7 @@
>>>
>>>   u64 __iomem *riscv_time_cmp;
>>>   u64 __iomem *riscv_time_val;
>>> +EXPORT_SYMBOL(riscv_time_val);
>>>
>>>   static inline void mmio_set_timer(u64 val)
>>>   {
>> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
>> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
>>
>> Adding the clocksource maintainers.  Let me know if you want this
>> through my
>> tree, I'm assuming you want it through your tree.
> How can we end up by an export symbol here ?!

Hi Danile,

Found this build error when CONFIG_RISCV_M_MODE=y and CONFIG_RISCV_SBI 
is not,

see patch "4f9bbcefa142 riscv: add support for MMIO access to the timer 
registers"

thanks.

>
>