[PATCH] orinoco: support PCI suspend/resume for Nortel, PLX and TMD adaptors

Copy PCI suspend/resume functions from orinoco_pci.c.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/orinoco_nortel.c b/drivers/net/wireless/orinoco_nortel.c
index d1a670b..3fff013 100644 (file)
--- a/drivers/net/wireless/orinoco_nortel.c
+++ b/drivers/net/wireless/orinoco_nortel.c
@@ -263,6 +263,83 @@ static void __devexit nortel_pci_remove_one(struct pci_dev *pdev)
        pci_disable_device(pdev);
 }
 
+static int orinoco_nortel_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       err = orinoco_lock(priv, &flags);
+       if (err) {
+               printk(KERN_ERR "%s: cannot lock hardware for suspend\n",
+                      dev->name);
+               return err;
+       }
+
+       err = __orinoco_down(dev);
+       if (err)
+               printk(KERN_WARNING "%s: error %d bringing interface down "
+                      "for suspend\n", dev->name, err);
+       
+       netif_device_detach(dev);
+
+       priv->hw_unavailable++;
+       
+       orinoco_unlock(priv, &flags);
+
+       free_irq(pdev->irq, dev);
+       pci_save_state(pdev);
+       pci_disable_device(pdev);
+       pci_set_power_state(pdev, PCI_D3hot);
+
+       return 0;
+}
+
+static int orinoco_nortel_resume(struct pci_dev *pdev)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       pci_set_power_state(pdev, 0);
+       pci_enable_device(pdev);
+       pci_restore_state(pdev);
+
+       err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+                         dev->name, dev);
+       if (err) {
+               printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
+                      dev->name);
+               pci_disable_device(pdev);
+               return -EBUSY;
+       }
+
+       err = orinoco_reinit_firmware(dev);
+       if (err) {
+               printk(KERN_ERR "%s: error %d re-initializing firmware "
+                      "on resume\n", dev->name, err);
+               return err;
+       }
+
+       spin_lock_irqsave(&priv->lock, flags);
+
+       netif_device_attach(dev);
+
+       priv->hw_unavailable--;
+
+       if (priv->open && (! priv->hw_unavailable)) {
+               err = __orinoco_up(dev);
+               if (err)
+                       printk(KERN_ERR "%s: Error %d restarting card on resume\n",
+                              dev->name, err);
+       }
+       
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
 
 static struct pci_device_id nortel_pci_id_table[] = {
        /* Nortel emobility PCI */
@@ -275,10 +352,12 @@ static struct pci_device_id nortel_pci_id_table[] = {
 MODULE_DEVICE_TABLE(pci, nortel_pci_id_table);
 
 static struct pci_driver nortel_pci_driver = {
-       .name = DRIVER_NAME,
-       .id_table = nortel_pci_id_table,
-       .probe = nortel_pci_init_one,
-       .remove = __devexit_p(nortel_pci_remove_one),
+       .name           = DRIVER_NAME,
+       .id_table       = nortel_pci_id_table,
+       .probe          = nortel_pci_init_one,
+       .remove         = __devexit_p(nortel_pci_remove_one),
+       .suspend        = orinoco_nortel_suspend,
+       .resume         = orinoco_nortel_resume,
 };
 
 static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION

diff --git a/drivers/net/wireless/orinoco_plx.c b/drivers/net/wireless/orinoco_plx.c
index 210e737..3fe7a2f 100644 (file)
--- a/drivers/net/wireless/orinoco_plx.c
+++ b/drivers/net/wireless/orinoco_plx.c
@@ -343,6 +343,83 @@ static void __devexit orinoco_plx_remove_one(struct pci_dev *pdev)
        pci_disable_device(pdev);
 }
 
+static int orinoco_plx_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       err = orinoco_lock(priv, &flags);
+       if (err) {
+               printk(KERN_ERR "%s: cannot lock hardware for suspend\n",
+                      dev->name);
+               return err;
+       }
+
+       err = __orinoco_down(dev);
+       if (err)
+               printk(KERN_WARNING "%s: error %d bringing interface down "
+                      "for suspend\n", dev->name, err);
+       
+       netif_device_detach(dev);
+
+       priv->hw_unavailable++;
+       
+       orinoco_unlock(priv, &flags);
+
+       free_irq(pdev->irq, dev);
+       pci_save_state(pdev);
+       pci_disable_device(pdev);
+       pci_set_power_state(pdev, PCI_D3hot);
+
+       return 0;
+}
+
+static int orinoco_plx_resume(struct pci_dev *pdev)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       pci_set_power_state(pdev, 0);
+       pci_enable_device(pdev);
+       pci_restore_state(pdev);
+
+       err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+                         dev->name, dev);
+       if (err) {
+               printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
+                      dev->name);
+               pci_disable_device(pdev);
+               return -EBUSY;
+       }
+
+       err = orinoco_reinit_firmware(dev);
+       if (err) {
+               printk(KERN_ERR "%s: error %d re-initializing firmware "
+                      "on resume\n", dev->name, err);
+               return err;
+       }
+
+       spin_lock_irqsave(&priv->lock, flags);
+
+       netif_device_attach(dev);
+
+       priv->hw_unavailable--;
+
+       if (priv->open && (! priv->hw_unavailable)) {
+               err = __orinoco_up(dev);
+               if (err)
+                       printk(KERN_ERR "%s: Error %d restarting card on resume\n",
+                              dev->name, err);
+       }
+       
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
 
 static struct pci_device_id orinoco_plx_pci_id_table[] = {
        {0x111a, 0x1023, PCI_ANY_ID, PCI_ANY_ID,},      /* Siemens SpeedStream SS1023 */
@@ -369,6 +446,8 @@ static struct pci_driver orinoco_plx_driver = {
        .id_table       = orinoco_plx_pci_id_table,
        .probe          = orinoco_plx_init_one,
        .remove         = __devexit_p(orinoco_plx_remove_one),
+       .suspend        = orinoco_plx_suspend,
+       .resume         = orinoco_plx_resume,
 };
 
 static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION

diff --git a/drivers/net/wireless/orinoco_tmd.c b/drivers/net/wireless/orinoco_tmd.c
index 5e68b70..b74807d 100644 (file)
--- a/drivers/net/wireless/orinoco_tmd.c
+++ b/drivers/net/wireless/orinoco_tmd.c
@@ -215,6 +215,83 @@ static void __devexit orinoco_tmd_remove_one(struct pci_dev *pdev)
        pci_disable_device(pdev);
 }
 
+static int orinoco_tmd_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       err = orinoco_lock(priv, &flags);
+       if (err) {
+               printk(KERN_ERR "%s: cannot lock hardware for suspend\n",
+                      dev->name);
+               return err;
+       }
+
+       err = __orinoco_down(dev);
+       if (err)
+               printk(KERN_WARNING "%s: error %d bringing interface down "
+                      "for suspend\n", dev->name, err);
+       
+       netif_device_detach(dev);
+
+       priv->hw_unavailable++;
+       
+       orinoco_unlock(priv, &flags);
+
+       free_irq(pdev->irq, dev);
+       pci_save_state(pdev);
+       pci_disable_device(pdev);
+       pci_set_power_state(pdev, PCI_D3hot);
+
+       return 0;
+}
+
+static int orinoco_tmd_resume(struct pci_dev *pdev)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct orinoco_private *priv = netdev_priv(dev);
+       unsigned long flags;
+       int err;
+
+       pci_set_power_state(pdev, 0);
+       pci_enable_device(pdev);
+       pci_restore_state(pdev);
+
+       err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+                         dev->name, dev);
+       if (err) {
+               printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
+                      dev->name);
+               pci_disable_device(pdev);
+               return -EBUSY;
+       }
+
+       err = orinoco_reinit_firmware(dev);
+       if (err) {
+               printk(KERN_ERR "%s: error %d re-initializing firmware "
+                      "on resume\n", dev->name, err);
+               return err;
+       }
+
+       spin_lock_irqsave(&priv->lock, flags);
+
+       netif_device_attach(dev);
+
+       priv->hw_unavailable--;
+
+       if (priv->open && (! priv->hw_unavailable)) {
+               err = __orinoco_up(dev);
+               if (err)
+                       printk(KERN_ERR "%s: Error %d restarting card on resume\n",
+                              dev->name, err);
+       }
+       
+       spin_unlock_irqrestore(&priv->lock, flags);
+
+       return 0;
+}
 
 static struct pci_device_id orinoco_tmd_pci_id_table[] = {
        {0x15e8, 0x0131, PCI_ANY_ID, PCI_ANY_ID,},      /* NDC and OEMs, e.g. pheecom */
@@ -228,6 +305,8 @@ static struct pci_driver orinoco_tmd_driver = {
        .id_table       = orinoco_tmd_pci_id_table,
        .probe          = orinoco_tmd_init_one,
        .remove         = __devexit_p(orinoco_tmd_remove_one),
+       .suspend        = orinoco_tmd_suspend,
+       .resume         = orinoco_tmd_resume,
 };
 
 static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION