linux-kernel - Re: [PATCH 4.14 58/62] mtd: rawnand: atmel: fix OF child-node lookup

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Date:   Mon, 26 Nov 2018 12:18:36 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Matt Hart <matthew.hart@...aro.org>
Cc:     boris.brezillon@...tlin.com,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        gregkh@...uxfoundation.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        stable@...r.kernel.org, nicolas.ferre@...rochip.com,
        rainyfeeling@...look.com, johan@...nel.org
Subject: Re: [PATCH 4.14 58/62] mtd: rawnand: atmel: fix OF child-node lookup

On Mon, Nov 26, 2018 at 04:39:03PM +0000, Matt Hart wrote:
>On Mon, 26 Nov 2018 at 15:16, Sasha Levin <sashal@...nel.org> wrote:
>>
><snip>
>
>> >>
>> >> /drivers/mtd/nand/atmel/nand-controller.c: In function
>> >> 'atmel_hsmc_nand_controller_legacy_init':
>> >> /drivers/mtd/nand/atmel/nand-controller.c:2080:11: error: implicit
>> >> declaration of function 'of_get_compatible_child'; did you mean
>> >> 'of_get_next_available_child'? [-Werror=implicit-function-declaration]
>> >>    nfc_np = of_get_compatible_child(dev->of_node, "atmel,sama5d3-nfc");
>> >
>> >Looks like of_get_compatible_child() has been introduced in 4.18, hence
>> >this error.
>> >
>> >Greg, can you drop this patch from 4.14.y?
>>
>> Interesting, none of the kernelci builds caught this? hmm
>
>They did, a few arm defconfigs failed to build because of this error.
>https://kernelci.org/build/stable-rc/branch/linux-4.14.y/kernel/v4.14.83-64-gd81d0be7d560/

Indeed, and it was even removed from a few (but not all) of the branches
it failed on. I retract my kernelci comments :)

--
Thanks,
Sasha