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

From: Greg KH
Date: Tue Sep 11 2018 - 04:23:32 EST


On Tue, Sep 11, 2018 at 12:58:57PM +1000, Stephen Rothwell wrote:
> Hi Greg,
>
> After merging the tty tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> 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[] = {
> ^~~~~~~~~~~~~~~~~~~~~~~~
> drivers/mfd/at91-usart.c:52:4: error: field name not in record or union initializer
> { .compatible = "atmel,at91rm9200-usart" },
> ^
> drivers/mfd/at91-usart.c:52:4: note: (near initialization for 'at91_usart_mode_of_match')
> drivers/mfd/at91-usart.c:53:4: error: field name not in record or union initializer
> { .compatible = "atmel,at91sam9260-usart" },
> ^
> drivers/mfd/at91-usart.c:53:4: note: (near initialization for 'at91_usart_mode_of_match')
> drivers/mfd/at91-usart.c:51:34: warning: 'at91_usart_mode_of_match' defined but not used [-Wunused-variable]
> static const struct of_device_id at91_usart_mode_of_match[] = {
> ^~~~~~~~~~~~~~~~~~~~~~~~
>
> Caused by commit
>
> 7d3aa342cef7 ("mfd: at91-usart: Add MFD driver for USART")
>
> Forgot to include <linux/mod_devicetable.h>?
>
> I used the version of the tty tree from next-20180910 for today.

Very odd, I just pulled in the "Immutable" branch from Lee here.

Lee, is there something I am missing to get this to build properly?

thanks,

greg k-h