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yaml
---
r: 287489
b: refs/heads/master
c: 2983040
h: refs/heads/master
i:
  287487: e97d6bf
v: v3
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Stephane Grosjean authored and Marc Kleine-Budde committed Feb 2, 2012
1 parent 73d1f15 commit 29a363c
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Showing 2 changed files with 10 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: d0a71a7e6de0e0ce9f86c8ba6e13414a9df63e0b
refs/heads/master: 29830406415c227a54af429d7b300aabd4754237
23 changes: 9 additions & 14 deletions trunk/drivers/net/can/sja1000/peak_pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,9 +39,9 @@ MODULE_LICENSE("GPL v2");
#define DRV_NAME "peak_pci"

struct peak_pci_chan {
void __iomem *cfg_base; /* Common for all channels */
struct net_device *next_dev; /* Chain of network devices */
u16 icr_mask; /* Interrupt mask for fast ack */
void __iomem *cfg_base; /* Common for all channels */
struct net_device *prev_dev; /* Chain of network devices */
u16 icr_mask; /* Interrupt mask for fast ack */
};

#define PEAK_PCI_CAN_CLOCK (16000000 / 2)
Expand Down Expand Up @@ -98,7 +98,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
{
struct sja1000_priv *priv;
struct peak_pci_chan *chan;
struct net_device *dev, *dev0 = NULL;
struct net_device *dev;
void __iomem *cfg_base, *reg_base;
u16 sub_sys_id, icr;
int i, err, channels;
Expand Down Expand Up @@ -196,18 +196,14 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
}

/* Create chain of SJA1000 devices */
if (i == 0)
dev0 = dev;
else
chan->next_dev = dev;
chan->prev_dev = pci_get_drvdata(pdev);
pci_set_drvdata(pdev, dev);

dev_info(&pdev->dev,
"%s at reg_base=0x%p cfg_base=0x%p irq=%d\n",
dev->name, priv->reg_base, chan->cfg_base, dev->irq);
}

pci_set_drvdata(pdev, dev0);

/* Enable interrupts */
writew(icr, cfg_base + PITA_ICR + 2);

Expand All @@ -217,12 +213,11 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
/* Disable interrupts */
writew(0x0, cfg_base + PITA_ICR + 2);

for (dev = dev0; dev; dev = chan->next_dev) {
for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
unregister_sja1000dev(dev);
free_sja1000dev(dev);
priv = netdev_priv(dev);
chan = priv->priv;
dev = chan->next_dev;
}

pci_iounmap(pdev, reg_base);
Expand All @@ -241,7 +236,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,

static void __devexit peak_pci_remove(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev); /* First device */
struct net_device *dev = pci_get_drvdata(pdev); /* Last device */
struct sja1000_priv *priv = netdev_priv(dev);
struct peak_pci_chan *chan = priv->priv;
void __iomem *cfg_base = chan->cfg_base;
Expand All @@ -255,7 +250,7 @@ static void __devexit peak_pci_remove(struct pci_dev *pdev)
dev_info(&pdev->dev, "removing device %s\n", dev->name);
unregister_sja1000dev(dev);
free_sja1000dev(dev);
dev = chan->next_dev;
dev = chan->prev_dev;
if (!dev)
break;
priv = netdev_priv(dev);
Expand Down

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