Re: [PATCH 1/2] firmware: arm_scmi: fix VIRTIO dependency

From: Sudeep Holla
Date: Mon Sep 20 2021 - 06:48:37 EST


On Mon, Sep 20, 2021 at 12:02:51PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Building with CONFIG_VIRTIO=m but CONFIG_ARM_SCMI_PROTOCOL=y leads to
> a link error for the scmi virtio transport:
>
> arm-linux-gnueabi-ld: drivers/firmware/arm_scmi/virtio.o: in function `virtio_send_message':
> virtio.c:(.text+0x200): undefined reference to `virtqueue_add_sgs'
> arm-linux-gnueabi-ld: virtio.c:(.text+0x280): undefined reference to `virtqueue_kick'
> arm-linux-gnueabi-ld: drivers/firmware/arm_scmi/virtio.o: in function `scmi_vio_feed_vq_rx':
> virtio.c:(.text+0x390): undefined reference to `virtqueue_add_inbuf'
> arm-linux-gnueabi-ld: virtio.c:(.text+0x3dc): undefined reference to `virtqueue_kick'
> arm-linux-gnueabi-ld: drivers/firmware/arm_scmi/virtio.o: in function `virtio_scmi_exit':
> virtio.c:(.text+0x538): undefined reference to `unregister_virtio_driver'
> arm-linux-gnueabi-ld: drivers/firmware/arm_scmi/virtio.o: in function `virtio_chan_available':
>
> Prevent this configuration by making the Kconfig dependency a bit
> stricter.
>
> Fixes: 46abe13b5e3d ("firmware: arm_scmi: Add virtio transport")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/firmware/arm_scmi/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>

Hi Arnd,

I have already queued similar fix by Cristain[1] a while ago. I was waiting
to get other possible fixes sorted before sending pull request. Sorry for
that, will do that soon.

--
Regards,
Sudeep

[1] https://lore.kernel.org/all/20210816141609.41751-1-cristian.marussi@xxxxxxx/