jr3_pci: fix iomem dereference
authorIan Abbott <abbotti@mev.co.uk>
Fri, 28 Sep 2012 10:59:53 +0000 (11:59 +0100)
committerIan Abbott <abbotti@mev.co.uk>
Fri, 28 Sep 2012 10:59:53 +0000 (11:59 +0100)
Correct a direct dereference of I/O memory when writing the 'reset'
register in jr3_pci_attach().  Use writel() to write the register.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
comedi/drivers/jr3_pci.c

index 220e585c85158c905d58a9e13afaf2f32fedfe85..cfdcfbb37a7106eb609d2e09badd20eb71b020ee 100644 (file)
@@ -888,7 +888,7 @@ static int jr3_pci_attach(comedi_device * dev, comedi_devconfig * it)
        }
 
        // Reset DSP card
-       devpriv->iobase->channel[0].reset = 0;
+       writel(0, &devpriv->iobase->channel[0].reset);
 
        result = comedi_load_firmware(dev, "jr3pci.idm", jr3_download_firmware);
        printk("Firmare load %d\n", result);