Re: [PATCH] scsi: qedi: select UIO

["Ewan D. Milne" <emilne@redhat.com>]

On Tue, 2017-01-10 at 16:27 +0100, Arnd Bergmann wrote:
> The newly added qedi driver links against the UIO framework, but can
> be built without that:
> 
> drivers/scsi/qedi/qedi_main.o: In function `qedi_free_uio':
> qedi_main.c:(.text.qedi_free_uio+0x78): undefined reference to `uio_unregister_device'
> drivers/scsi/qedi/qedi_main.o: In function `qedi_ll2_recv_thread':
> qedi_main.c:(.text.qedi_ll2_recv_thread+0x18c): undefined reference to `uio_event_notify'
> drivers/scsi/qedi/qedi_main.o: In function `__qedi_probe.constprop.1':
> qedi_main.c:(.text.__qedi_probe.constprop.1+0x1368): undefined reference to `__uio_register_device'
> 
> This adds a compile-time dependency.
> 
> Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/scsi/qedi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/scsi/qedi/Kconfig b/drivers/scsi/qedi/Kconfig
> index 23ca8a274586..913610f3d274 100644
> --- a/drivers/scsi/qedi/Kconfig
> +++ b/drivers/scsi/qedi/Kconfig
> @@ -2,6 +2,7 @@ config QEDI
>  	tristate "QLogic QEDI 25/40/100Gb iSCSI Initiator Driver Support"
>  	depends on PCI && SCSI
>  	depends on QED
> +	depends on UIO
>  	select SCSI_ISCSI_ATTRS
>  	select QED_LL2
>  	select QED_ISCSI

Randy posted a similar patch back in December but I don't think there
was ever a reply to Christoph's question about why qedi depends on uio.

-Ewan