Re: [PATCH] macintosh/ams: linux/platform_device.h is needed

[Christophe Leroy]

Le 30/08/2023 à 00:58, Randy Dunlap a écrit :
> ams.h uses struct platform_device, so the header should be used
> to prevent build errors:
> 
> drivers/macintosh/ams/ams-input.c: In function 'ams_input_enable':
> drivers/macintosh/ams/ams-input.c:68:45: error: invalid use of undefined type 'struct platform_device'
>     68 |         input->dev.parent = &ams_info.of_dev->dev;
> drivers/macintosh/ams/ams-input.c: In function 'ams_input_init':
> drivers/macintosh/ams/ams-input.c:146:51: error: invalid use of undefined type 'struct platform_device'
>    146 |         return device_create_file(&ams_info.of_dev->dev, &dev_attr_joystick);
> drivers/macintosh/ams/ams-input.c: In function 'ams_input_exit':
> drivers/macintosh/ams/ams-input.c:151:44: error: invalid use of undefined type 'struct platform_device'
>    151 |         device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
> drivers/macintosh/ams/ams-input.c: In function 'ams_input_init':
> drivers/macintosh/ams/ams-input.c:147:1: error: control reaches end of non-void function [-Werror=return-type]
>    147 | }
> 
> Fixes: 233d687d1b78 ("macintosh: Explicitly include correct DT includes")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> ---
>   drivers/macintosh/ams/ams.h |    1 +
>   1 file changed, 1 insertion(+)
> 
> diff -- a/drivers/macintosh/ams/ams.h b/drivers/macintosh/ams/ams.h
> --- a/drivers/macintosh/ams/ams.h
> +++ b/drivers/macintosh/ams/ams.h
> @@ -6,6 +6,7 @@
>   #include <linux/input.h>
>   #include <linux/kthread.h>
>   #include <linux/mutex.h>
> +#include <linux/platform_device.h>

You modify ams.h to fix a problem in ams-input.c
Is that correct ?

Shouldn't the include be in ams-input.c instead ?

>   #include <linux/spinlock.h>
>   #include <linux/types.h>
>   

Christophe