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

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Message-ID: <730b71e2-9c3c-4b40-86a6-0794615222fd@linaro.org>
Date:   Mon, 11 Dec 2023 10:23:40 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Miquel Raynal <miquel.raynal@...tlin.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 nvmem tree

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@...b.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@...b.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.


--srini

>   #endif
>   
>   /**