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

[Srinivas Kandagatla <srinivas.kandagatla@linaro.org>]

Hi Miquel,

On 11/12/2023 10:30, Miquel Raynal wrote:
> Hi Srinivas,
> 
> srinivas.kandagatla@linaro.org wrote on Mon, 11 Dec 2023 10:23:40 +0000:
> 
>> Thankyou Stephen for the patch.
>>
>> On 11/12/2023 05:49, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> After merging the nvmem tree, today's linux-next build (i386 defconfig)
>>> failed like this:
>>>
>>> /home/sfr/next/next/drivers/nvmem/core.c: In function 'nvmem_cell_put':
>>> /home/sfr/next/next/drivers/nvmem/core.c:1603:9: error: implicit declaration of function 'nvmem_layout_module_put' [-Werror=implicit-function-declaration]
>>>    1603 |         nvmem_layout_module_put(nvmem);
>>>         |         ^~~~~~~~~~~~~~~~~~~~~~~
>>>
>>> Caused by commit
>>>
>>>     ed7778e43271 ("nvmem: core: Rework layouts to become regular devices")
>>>
>>> I have applied the following patch for today.
>>>
>>> From: Stephen Rothwell <sfr@canb.auug.org.au>
>>> Date: Mon, 11 Dec 2023 16:34:34 +1100
>>> Subject: [PATCH] fix up for "nvmem: core: Rework layouts to become regular devices"
>>>
>>> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
>>> ---
>>>    drivers/nvmem/core.c | 5 +++++
>>>    1 file changed, 5 insertions(+)
>>>
>>> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
>>> index 9fc452e8ada8..784b61eb4d8e 100644
>>> --- a/drivers/nvmem/core.c
>>> +++ b/drivers/nvmem/core.c
>>> @@ -1491,6 +1491,11 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id)
>>>    	return cell;
>>>    }
>>>    EXPORT_SYMBOL_GPL(of_nvmem_cell_get);
>>> +
>>> +#else /* IS_ENABLED(CONFIG_OF) */
>>> +
>>> +static inline void nvmem_layout_module_put(struct nvmem_device *nvmem) { }
>>> +
>>
>> I see no reason why nvmem_layout_module_put() should be even under IS_ENABLED(CONFIG_OF).
>>
>> Updated the patch with this fixed.
> 
> Ok, works for me. I will send a fixup with the doc change (see the
> other kernel test robot report) so you can squash it as well with the
> original patch.
> 
if you have fix up ready, can you send it.

--srini

> I am surprised we get these now, I actually pushed the branch on my
> Github 0-day repository and got no negative report within 3 days.
> Anyway, I guess they have to prioritize the requests.
> 
> Thanks,
> Miquèl