Re: [PATCH] memory: atmel-ebi: mark PM ops as __maybe_unused

From: Alexandre Belloni
Date: Wed Apr 19 2017 - 13:52:37 EST


On 19/04/2017 at 19:48:07 +0200, Arnd Bergmann wrote:
> We get a harmless warning without CONFIG_PM:
>
> drivers/memory/atmel-ebi.c:584:12: error: 'atmel_ebi_resume' defined but not used [-Werror=unused-function]
>
> Marking the function as __maybe_unused does the right thing here
> and drops it silently when unused.
>
> Fixes: a483fb10e5ea ("memory: atmel-ebi: Add PM ops")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Sure,

Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

I think you can safely take it through arm-soc directly.

> ---
> drivers/memory/atmel-ebi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
> index 35910f945bfa..99e644cda4d1 100644
> --- a/drivers/memory/atmel-ebi.c
> +++ b/drivers/memory/atmel-ebi.c
> @@ -581,7 +581,7 @@ static int atmel_ebi_probe(struct platform_device *pdev)
> return of_platform_populate(np, NULL, NULL, dev);
> }
>
> -static int atmel_ebi_resume(struct device *dev)
> +static __maybe_unused int atmel_ebi_resume(struct device *dev)
> {
> struct atmel_ebi *ebi = dev_get_drvdata(dev);
> struct atmel_ebi_dev *ebid;
> --
> 2.9.0
>

--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com