linux-kernel - Re: [PATCH v3] mips: bcm63xx: add support for clk_get

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Date:   Sun, 14 Nov 2021 15:58:51 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Artur Rojek <contact@...ur-rojek.eu>,
        Paul Cercueil <paul@...pouillou.net>,
        linux-mips@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
        linux-iio@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Russell King <linux@...linux.org.uk>,
        bcm-kernel-feedback-list@...adcom.com,
        Jonas Gorski <jonas.gorski@...il.com>
Subject: Re: [PATCH v3] mips: bcm63xx: add support for clk_get_parent()

On 11/14/21 8:59 AM, Jonathan Cameron wrote:
> On Sun, 14 Nov 2021 08:34:44 -0800
> Randy Dunlap <rdunlap@...radead.org> wrote:
> 
>> BCM63XX selects HAVE_LEGACY_CLK but does not provide/support
>> clk_get_parent(), so add a simple implementation of that
>> function so that callers of it will build without errors.
>>
>> Fixes these build errors:
>>
>> mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4770_adc_init_clk_div':
>> ingenic-adc.c:(.text+0xe4): undefined reference to `clk_get_parent'
>> mips-linux-ld: drivers/iio/adc/ingenic-adc.o: in function `jz4725b_adc_init_clk_div':
>> ingenic-adc.c:(.text+0x1b8): undefined reference to `clk_get_parent'
>>
>> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
>> Reported-by: kernel test robot <lkp@...el.com>
> 
> Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> 
> I wonder a bit if it makes sense to fix only the ones we hit given there
> look to be other missing definitions in this subarch.
> clk_has_parent() for example appears to also be missing.

I haven't seen any failures for clk_has_parent().

I'm not actively looking for build errors; I'm just fixing
reported problems (usually and in this case).
There are plenty of them being reported without me having
to go looking for more.

> Do we have the same issue with mips/lantiq?

Yes, now that you made me look. :)
Now I'll have to send a patch for that subarch also.

-- 
~Randy