From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH -next] scsi: qedi: fix build, depends on UIO
Date: Tue, 20 Dec 2016 23:35:38 -0800
Message-ID: <20161221073537.GA28607@infradead.org>
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To: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-scsi <linux-scsi@vger.kernel.org>, LKML <linux-kernel@vger.kernel.or>, QLogic-Storage-Upstream@cavium.com, "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>

On Tue, Dec 20, 2016 at 08:43:30AM -0800, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
> 
> Fix build of SCSI qedi driver. It uses uio interfaces so it
> should depend on UIO.
> 
> ERROR: "uio_unregister_device" [drivers/scsi/qedi/qedi.ko] undefined!
> ERROR: "uio_event_notify" [drivers/scsi/qedi/qedi.ko] undefined!
> ERROR: "__uio_register_device" [drivers/scsi/qedi/qedi.ko] undefined!

Why is it hiding an uio driver in an iscsi offload driver?