linux-kernel - Re: aarch64 iio build error [PATCH]

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Date:   Tue, 1 Sep 2020 09:40:21 +0100
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     Randy Dunlap <rdunlap@...radead.org>
CC:     Dave Airlie <airlied@...il.com>,
        LKML <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>
Subject: Re: aarch64 iio build error [PATCH]

On Fri, 28 Aug 2020 23:56:09 -0700
Randy Dunlap <rdunlap@...radead.org> wrote:

> On 8/24/20 12:39 PM, Dave Airlie wrote:
> > Hi Jonahtan,
> > 
> > Since rc1 my aarch64 builds have been failing
> > 
> >   MODPOST Module.symvers
> > ERROR: modpost: "devm_iio_triggered_buffer_setup"
> > [drivers/iio/adc/rockchip_saradc.ko] undefined!
> > ERROR: modpost: "iio_trigger_notify_done"
> > [drivers/iio/adc/rockchip_saradc.ko] undefined!
> > ERROR: modpost: "iio_push_to_buffers"
> > [drivers/iio/adc/rockchip_saradc.ko] undefined!
> > make[2]: *** [/home/airlied/devel/kernel/dim/src/scripts/Makefile.modpost:111:
> > Module.symvers] Error
> > 
> > Attached config.
> > 
> > Dave.  
> 
> I haven't see any fixes for this, although I could have easily
> missed a patch.
> 
> The patch below should fix these build errors.

Sorry. Badly timed vacation + waiting for end of merge window
due to some other stuff in the same pull request.

We had a number of fixes come in for this as a result.

https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?h=fixes-togreg&id=e3ea4192d82480e1215280267746f51ce21db283

Is on it's way..

Jonathan

> 
> ---
> From: Randy Dunlap <rdunlap@...radead.org>
> 
> Fix build errors in iio/rockchip_saradc by adding selects
> to drivers/iio/adc/Kconfig.
> 
> Fixes these build errors:
> 
> ERROR: modpost: "devm_iio_triggered_buffer_setup"
> [drivers/iio/adc/rockchip_saradc.ko] undefined!
> ERROR: modpost: "iio_trigger_notify_done"
> [drivers/iio/adc/rockchip_saradc.ko] undefined!
> ERROR: modpost: "iio_push_to_buffers"
> [drivers/iio/adc/rockchip_saradc.ko] undefined!
> 
> Reported-by: Dave Airlie <airlied@...il.com>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: jonathan.cameron@...wei.com
> ---
>  drivers/iio/adc/Kconfig |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> --- linux-next-20200825.orig/drivers/iio/adc/Kconfig
> +++ linux-next-20200825/drivers/iio/adc/Kconfig
> @@ -865,6 +865,10 @@ config ROCKCHIP_SARADC
>  	tristate "Rockchip SARADC driver"
>  	depends on ARCH_ROCKCHIP || (ARM && COMPILE_TEST)
>  	depends on RESET_CONTROLLER
> +	select IIO_BUFFER
> +	select IIO_TRIGGER
> +	select IIO_TRIGGERED_BUFFER
> +	select IIO_TRIGGERED_EVENT
>  	help
>  	  Say yes here to build support for the SARADC found in SoCs from
>  	  Rockchip.