[PATCH] mfd: at91-usart: fix missing mod_devicetable.h

Lee Jones lee.jones at linaro.org
Tue Sep 11 02:36:53 PDT 2018


On Tue, 11 Sep 2018, Nicolas Ferre wrote:

> Following the inclusion of the patch ac3167257b9f ("headers:
> separate linux/mod_devicetable.h from linux/platform_device.h"), there is a
> build issue:
> 
> drivers/mfd/at91-usart.c:51:34: error: array type has incomplete element type
> 'struct of_device_id'
>   static const struct of_device_id at91_usart_mode_of_match[] = {
> 
> Before this patch, the definition was reached by its inclusion of
> linux/mfd/core.h.
> 
> The build issue is solved by simply adding the mod_devicetable.h in this
> driver.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre at microchip.com>
> Cc: Radu Pirea <radu_nicolae.pirea at upb.ro>
> ---
>  drivers/mfd/at91-usart.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mfd/at91-usart.c b/drivers/mfd/at91-usart.c
> index a4b9929c156f..ad743b8ca6be 100644
> --- a/drivers/mfd/at91-usart.c
> +++ b/drivers/mfd/at91-usart.c
> @@ -11,6 +11,7 @@
>  #include <dt-bindings/mfd/at91-usart.h>
>  
>  #include <linux/module.h>
> +#include <linux/mod_devicetable.h>
>  #include <linux/mfd/core.h>
>  #include <linux/property.h>

Since this driver is using Device Tree, it is more correct to simply
add <linux/of.h>, unless of course we are also going to remove
<linux/mod_devicetable.h> from <linux/of.h>.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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