linux-kernel - [PATCH 02/30] staging: comedi: adl_pci6208: use comedi_device pci

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Date:	Wed, 11 Jul 2012 14:49:55 -0700
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
CC:	<devel@...verdev.osuosl.org>, <abbotti@....co.uk>,
	<gregkh@...uxfoundation.org>
Subject: [PATCH 02/30] staging: comedi: adl_pci6208: use comedi_device pci_dev pointer

Use the pci_dev pointer in the comedi_device struct instead of
carrying it in the private data.

Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Ian Abbott <abbotti@....co.uk>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/comedi/drivers/adl_pci6208.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adl_pci6208.c b/drivers/staging/comedi/drivers/adl_pci6208.c
index 487fd4a..4828875 100644
--- a/drivers/staging/comedi/drivers/adl_pci6208.c
+++ b/drivers/staging/comedi/drivers/adl_pci6208.c
@@ -73,7 +73,6 @@ static const struct pci6208_board pci6208_boards[] = {
 };
 
 struct pci6208_private {
-	struct pci_dev *pci_dev;
 	unsigned int ao_readback[PCI6208_MAX_AO_CHANNELS];
 };
 
@@ -208,20 +207,20 @@ static int pci6208_attach(struct comedi_device *dev,
 		return ret;
 	devpriv = dev->private;
 
-	devpriv->pci_dev = pci6208_find_device(dev, it);
-	if (!devpriv->pci_dev)
+	dev->pcidev = pci6208_find_device(dev, it);
+	if (!dev->pcidev)
 		return -EIO;
 	thisboard = comedi_board(dev);
 
 	dev->board_name = thisboard->name;
 
-	ret = comedi_pci_enable(devpriv->pci_dev, dev->driver->driver_name);
+	ret = comedi_pci_enable(dev->pcidev, dev->driver->driver_name);
 	if (ret) {
 		dev_err(dev->class_dev,
 			"Failed to enable PCI device and request regions\n");
 		return ret;
 	}
-	dev->iobase = pci_resource_start(devpriv->pci_dev, 2);
+	dev->iobase = pci_resource_start(dev->pcidev, 2);
 
 	ret = comedi_alloc_subdevices(dev, 2);
 	if (ret)
@@ -258,12 +257,10 @@ static int pci6208_attach(struct comedi_device *dev,
 
 static void pci6208_detach(struct comedi_device *dev)
 {
-	struct pci6208_private *devpriv = dev->private;
-
-	if (devpriv && devpriv->pci_dev) {
+	if (dev->pcidev) {
 		if (dev->iobase)
-			comedi_pci_disable(devpriv->pci_dev);
-		pci_dev_put(devpriv->pci_dev);
+			comedi_pci_disable(dev->pcidev);
+		pci_dev_put(dev->pcidev);
 	}
 }
 
-- 
1.7.11

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