linux-kernel - [PATCH 66/90] staging: comedi: dt3000: move the setup

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Message-ID: <201207181858.08254.hartleys@visionengravers.com>
Date:	Wed, 18 Jul 2012 18:58:07 -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 66/90] staging: comedi: dt3000: move the setup_pci() code into the attach

The setup_pci() function simply calls comedi_pci_enable() to enable
the device then ioremaps the pci address. Move the code directly
into the attach function as is more typical for the comedi pci
drivers.

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/dt3000.c | 29 ++++++-----------------------
 1 file changed, 6 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index 10b43a2..92558e7 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -774,28 +774,6 @@ static int dt3k_mem_insn_read(struct comedi_device *dev,
 	return i;
 }
 
-static int setup_pci(struct comedi_device *dev)
-{
-	resource_size_t addr;
-	int ret;
-
-	ret = comedi_pci_enable(devpriv->pci_dev, "dt3000");
-	if (ret < 0)
-		return ret;
-
-	addr = pci_resource_start(devpriv->pci_dev, 0);
-	devpriv->phys_addr = addr;
-	devpriv->io_addr = ioremap(devpriv->phys_addr, DT3000_SIZE);
-	if (!devpriv->io_addr)
-		return -ENOMEM;
-#if DEBUG
-	printk("0x%08llx mapped to %p, ",
-	       (unsigned long long)devpriv->phys_addr, devpriv->io_addr);
-#endif
-
-	return 0;
-}
-
 static struct pci_dev *dt3000_find_pci_dev(struct comedi_device *dev,
 					   struct comedi_devconfig *it)
 {
@@ -842,10 +820,15 @@ static int dt3000_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		return -EIO;
 	devpriv->pci_dev = pcidev;
 
-	ret = setup_pci(dev);
+	ret = comedi_pci_enable(pcidev, "dt3000");
 	if (ret < 0)
 		return ret;
 
+	devpriv->phys_addr = pci_resource_start(pcidev, 0);
+	devpriv->io_addr = ioremap(devpriv->phys_addr, DT3000_SIZE);
+	if (!devpriv->io_addr)
+		return -ENOMEM;
+
 	dev->board_name = this_board->name;
 
 	if (request_irq(pcidev->irq, dt3k_interrupt, IRQF_SHARED,
-- 
1.7.11

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