From: Ian Abbott <abbotti@mev.co.uk>
Date: Thu, 27 Sep 2012 16:45:27 +0000 (+0100)
Subject: staging: comedi: jr3_pci: fix iomem dereference
X-Git-Tag: firefly_0821_release~3680^2~1977^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e1878957b4676a17cf398f7f5723b365e9a2ca48;p=firefly-linux-kernel-4.4.55.git

staging: comedi: jr3_pci: fix iomem dereference

Correct a direct dereference of I/O memory to use an appropriate I/O
memory access function.  Note that the pointer being dereferenced is not
currently tagged with `__iomem` but I plan to correct that for 3.7.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c
index 360107c4dcab..4a108ea8a9aa 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -885,7 +885,7 @@ static int jr3_pci_attach(struct comedi_device *dev,
 	}
 
 	/*  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);
 	dev_dbg(dev->class_dev, "Firmare load %d\n", result);