linux-kernel - uio_pci_generic has no mapping?

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Message-ID: <AANLkTi=bDV52-Fc22amAEsxofL7gRC=oaU+AXgUnuRt7@mail.gmail.com>
Date:	Fri, 14 Jan 2011 09:52:45 +0000
From:	Billy Rafferty <billy.rafferty@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	mst@...hat.com, hjk@...sjkoch.de
Subject: uio_pci_generic has no mapping?

Hi there,

I was hoping that someone might be be able to help me out using the
uio_pci_generic driver.

To gain access to the memory in the card I try to do an mmap but it
returns an error.

I was wondering if the mapping of the PCI memory regions is automatic?
 I am not seeing /sys/class/uio/uio0/maps

Do I have to do something to get these to appear?

I would appreciate any help or pointers that you can give.

Regards,

Billy
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