diff options
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_pci.c')
-rw-r--r-- | drivers/net/wireless/hostap/hostap_pci.c | 58 |
1 files changed, 40 insertions, 18 deletions
diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c index 79074b3d10d..165f1450da5 100644 --- a/drivers/net/wireless/hostap/hostap_pci.c +++ b/drivers/net/wireless/hostap/hostap_pci.c @@ -34,6 +34,12 @@ MODULE_LICENSE("GPL"); MODULE_VERSION(PRISM2_VERSION); +/* struct local_info::hw_priv */ +struct hostap_pci_priv { + void __iomem *mem_start; +}; + + /* FIX: do we need mb/wmb/rmb with memory operations? */ @@ -61,7 +67,7 @@ static inline void hfa384x_outb_debug(struct net_device *dev, int a, u8 v) spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTB, a, v); - writeb(v, local->mem_start + a); + writeb(v, hw_priv->mem_start + a); spin_unlock_irqrestore(&local->lock, flags); } @@ -76,7 +82,7 @@ static inline u8 hfa384x_inb_debug(struct net_device *dev, int a) local = iface->local; spin_lock_irqsave(&local->lock, flags); - v = readb(local->mem_start + a); + v = readb(hw_priv->mem_start + a); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INB, a, v); spin_unlock_irqrestore(&local->lock, flags); return v; @@ -93,7 +99,7 @@ static inline void hfa384x_outw_debug(struct net_device *dev, int a, u16 v) spin_lock_irqsave(&local->lock, flags); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_OUTW, a, v); - writew(v, local->mem_start + a); + writew(v, hw_priv->mem_start + a); spin_unlock_irqrestore(&local->lock, flags); } @@ -108,7 +114,7 @@ static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) local = iface->local; spin_lock_irqsave(&local->lock, flags); - v = readw(local->mem_start + a); + v = readw(hw_priv->mem_start + a); prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INW, a, v); spin_unlock_irqrestore(&local->lock, flags); return v; @@ -126,37 +132,37 @@ static inline u16 hfa384x_inw_debug(struct net_device *dev, int a) static inline void hfa384x_outb(struct net_device *dev, int a, u8 v) { struct hostap_interface *iface; - local_info_t *local; + struct hostap_pci_priv *hw_priv; iface = netdev_priv(dev); - local = iface->local; - writeb(v, local->mem_start + a); + hw_priv = iface->local->hw_priv; + writeb(v, hw_priv->mem_start + a); } static inline u8 hfa384x_inb(struct net_device *dev, int a) { struct hostap_interface *iface; - local_info_t *local; + struct hostap_pci_priv *hw_priv; iface = netdev_priv(dev); - local = iface->local; - return readb(local->mem_start + a); + hw_priv = iface->local->hw_priv; + return readb(hw_priv->mem_start + a); } static inline void hfa384x_outw(struct net_device *dev, int a, u16 v) { struct hostap_interface *iface; - local_info_t *local; + struct hostap_pci_priv *hw_priv; iface = netdev_priv(dev); - local = iface->local; - writew(v, local->mem_start + a); + hw_priv = iface->local->hw_priv; + writew(v, hw_priv->mem_start + a); } static inline u16 hfa384x_inw(struct net_device *dev, int a) { struct hostap_interface *iface; - local_info_t *local; + struct hostap_pci_priv *hw_priv; iface = netdev_priv(dev); - local = iface->local; - return readw(local->mem_start + a); + hw_priv = iface->local->hw_priv; + return readw(hw_priv->mem_start + a); } #define HFA384X_OUTB(v,a) hfa384x_outb(dev, (a), (v)) @@ -288,6 +294,12 @@ static int prism2_pci_probe(struct pci_dev *pdev, static int cards_found /* = 0 */; int irq_registered = 0; struct hostap_interface *iface; + struct hostap_pci_priv *hw_priv; + + hw_priv = kmalloc(sizeof(*hw_priv), GFP_KERNEL); + if (hw_priv == NULL) + return -ENOMEM; + memset(hw_priv, 0, sizeof(*hw_priv)); if (pci_enable_device(pdev)) return -EIO; @@ -311,10 +323,11 @@ static int prism2_pci_probe(struct pci_dev *pdev, goto fail; iface = netdev_priv(dev); local = iface->local; + local->hw_priv = hw_priv; cards_found++; dev->irq = pdev->irq; - local->mem_start = mem; + hw_priv->mem_start = mem; prism2_pci_cor_sreset(local); @@ -339,6 +352,8 @@ static int prism2_pci_probe(struct pci_dev *pdev, return hostap_hw_ready(dev); fail: + kfree(hw_priv); + if (irq_registered && dev) free_irq(dev->irq, dev); @@ -349,6 +364,9 @@ static int prism2_pci_probe(struct pci_dev *pdev, err_out_disable: pci_disable_device(pdev); + kfree(hw_priv); + if (local) + local->hw_priv = NULL; prism2_free_local_data(dev); return -ENODEV; @@ -360,9 +378,11 @@ static void prism2_pci_remove(struct pci_dev *pdev) struct net_device *dev; struct hostap_interface *iface; void __iomem *mem_start; + struct hostap_pci_priv *hw_priv; dev = pci_get_drvdata(pdev); iface = netdev_priv(dev); + hw_priv = iface->local->hw_priv; /* Reset the hardware, and ensure interrupts are disabled. */ prism2_pci_cor_sreset(iface->local); @@ -371,7 +391,9 @@ static void prism2_pci_remove(struct pci_dev *pdev) if (dev->irq) free_irq(dev->irq, dev); - mem_start = iface->local->mem_start; + mem_start = hw_priv->mem_start; + kfree(hw_priv); + iface->local->hw_priv = NULL; prism2_free_local_data(dev); iounmap(mem_start); |