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orinoco: Handle suspend/restore in core driver

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Each device does almost exactly the same things on suspend and resume
when upping and downing the interface. So move this logic into a common
routine.

Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
David Kilroy 2009-06-18 23:21:30 +01:00 committed by John W. Linville
parent ef96b5c9ed
commit 6415f7df10
6 changed files with 70 additions and 161 deletions
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33
drivers/net/wireless/orinoco/airport.c
View File

@ -50,15 +50,7 @@ airport_suspend(struct macio_dev *mdev, pm_message_t state)
return 0;
}
err = __orinoco_down(priv);
if (err)
printk(KERN_WARNING "%s: PBOOK_SLEEP_NOW: Error %d downing interface\n",
dev->name, err);
netif_device_detach(dev);
priv->hw_unavailable++;
orinoco_down(priv);
orinoco_unlock(priv, &flags);
disable_irq(card->irq);
@ -85,30 +77,11 @@ airport_resume(struct macio_dev *mdev)
enable_irq(card->irq);
err = orinoco_reinit_firmware(priv);
if (err) {
printk(KERN_ERR "%s: Error %d re-initializing firmware on PBOOK_WAKE\n",
dev->name, err);
return 0;
}
spin_lock_irqsave(&priv->lock, flags);
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && (!priv->hw_unavailable)) {
err = __orinoco_up(priv);
if (err)
printk(KERN_ERR "%s: Error %d restarting card on PBOOK_WAKE\n",
dev->name, err);
}
err = orinoco_up(priv);
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
return err;
}
static int

61
drivers/net/wireless/orinoco/main.c
View File

@ -211,6 +211,8 @@ struct orinoco_rx_data {
/********************************************************************/
static void __orinoco_set_multicast_list(struct net_device *dev);
static int __orinoco_up(struct orinoco_private *priv);
static int __orinoco_down(struct orinoco_private *priv);
/********************************************************************/
/* Internal helper functions */
@ -1514,7 +1516,7 @@ static void __orinoco_ev_infdrop(struct net_device *dev, hermes_t *hw)
/* Internal hardware control routines */
/********************************************************************/
int __orinoco_up(struct orinoco_private *priv)
static int __orinoco_up(struct orinoco_private *priv)
{
struct net_device *dev = priv->ndev;
struct hermes *hw = &priv->hw;
@ -1542,9 +1544,8 @@ int __orinoco_up(struct orinoco_private *priv)
return 0;
}
EXPORT_SYMBOL(__orinoco_up);
int __orinoco_down(struct orinoco_private *priv)
static int __orinoco_down(struct orinoco_private *priv)
{
struct net_device *dev = priv->ndev;
struct hermes *hw = &priv->hw;
@ -1574,9 +1575,8 @@ int __orinoco_down(struct orinoco_private *priv)
return 0;
}
EXPORT_SYMBOL(__orinoco_down);
int orinoco_reinit_firmware(struct orinoco_private *priv)
static int orinoco_reinit_firmware(struct orinoco_private *priv)
{
struct hermes *hw = &priv->hw;
int err;
@ -1592,7 +1592,6 @@ int orinoco_reinit_firmware(struct orinoco_private *priv)
return err;
}
EXPORT_SYMBOL(orinoco_reinit_firmware);
int __orinoco_program_rids(struct net_device *dev)
{
@ -2389,6 +2388,56 @@ void free_orinocodev(struct orinoco_private *priv)
}
EXPORT_SYMBOL(free_orinocodev);
int orinoco_up(struct orinoco_private *priv)
{
struct net_device *dev = priv->ndev;
unsigned long flags;
int err;
spin_lock_irqsave(&priv->lock, flags);
err = orinoco_reinit_firmware(priv);
if (err) {
printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
dev->name, err);
goto exit;
}
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && !priv->hw_unavailable) {
err = __orinoco_up(priv);
if (err)
printk(KERN_ERR "%s: Error %d restarting card\n",
dev->name, err);
}
exit:
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
EXPORT_SYMBOL(orinoco_up);
void orinoco_down(struct orinoco_private *priv)
{
struct net_device *dev = priv->ndev;
unsigned long flags;
int err;
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(priv);
if (err)
printk(KERN_WARNING "%s: Error %d downing interface\n",
dev->name, err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
}
EXPORT_SYMBOL(orinoco_down);
static void orinoco_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{

5
drivers/net/wireless/orinoco/orinoco.h
View File

@ -197,9 +197,8 @@ extern int orinoco_if_add(struct orinoco_private *priv,
unsigned long base_addr,
unsigned int irq);
extern void orinoco_if_del(struct orinoco_private *priv);
extern int __orinoco_up(struct orinoco_private *priv);
extern int __orinoco_down(struct orinoco_private *priv);
extern int orinoco_reinit_firmware(struct orinoco_private *priv);
extern int orinoco_up(struct orinoco_private *priv);
extern void orinoco_down(struct orinoco_private *priv);
extern irqreturn_t orinoco_interrupt(int irq, void *dev_id);
/********************************************************************/

44
drivers/net/wireless/orinoco/orinoco_cs.c
View File

@ -349,26 +349,12 @@ static int orinoco_cs_suspend(struct pcmcia_device *link)
{
struct orinoco_private *priv = link->priv;
struct orinoco_pccard *card = priv->card;
struct net_device *dev = priv->ndev;
int err = 0;
unsigned long flags;
/* This is probably racy, but I can't think of
a better way, short of rewriting the PCMCIA
layer to not suck :-( */
if (!test_bit(0, &card->hard_reset_in_progress)) {
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(priv);
if (err)
printk(KERN_WARNING "%s: Error %d downing interface\n",
dev->name, err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
}
if (!test_bit(0, &card->hard_reset_in_progress))
orinoco_down(priv);
return 0;
}
@ -377,32 +363,10 @@ static int orinoco_cs_resume(struct pcmcia_device *link)
{
struct orinoco_private *priv = link->priv;
struct orinoco_pccard *card = priv->card;
struct net_device *dev = priv->ndev;
int err = 0;
unsigned long flags;
if (!test_bit(0, &card->hard_reset_in_progress)) {
err = orinoco_reinit_firmware(priv);
if (err) {
printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
dev->name, err);
return -EIO;
}
spin_lock_irqsave(&priv->lock, flags);
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && !priv->hw_unavailable) {
err = __orinoco_up(priv);
if (err)
printk(KERN_ERR "%s: Error %d restarting card\n",
dev->name, err);
}
spin_unlock_irqrestore(&priv->lock, flags);
}
if (!test_bit(0, &card->hard_reset_in_progress))
err = orinoco_up(priv);
return err;
}

47
drivers/net/wireless/orinoco/orinoco_pci.h
View File

@ -22,28 +22,8 @@ struct orinoco_pci_card {
static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct orinoco_private *priv = pci_get_drvdata(pdev);
struct net_device *dev = priv->ndev;
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(priv);
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);
orinoco_down(priv);
free_irq(pdev->irq, priv);
pci_save_state(pdev);
pci_disable_device(pdev);
@ -56,7 +36,6 @@ static int orinoco_pci_resume(struct pci_dev *pdev)
{
struct orinoco_private *priv = pci_get_drvdata(pdev);
struct net_device *dev = priv->ndev;
unsigned long flags;
int err;
pci_set_power_state(pdev, 0);
@ -77,30 +56,10 @@ static int orinoco_pci_resume(struct pci_dev *pdev)
return -EBUSY;
}
err = orinoco_reinit_firmware(priv);
if (err) {
printk(KERN_ERR "%s: error %d re-initializing firmware "
"on resume\n", dev->name, err);
err = orinoco_up(priv);
return err;
}
spin_lock_irqsave(&priv->lock, flags);
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && (!priv->hw_unavailable)) {
err = __orinoco_up(priv);
if (err)
printk(KERN_ERR "%s: Error %d restarting card on resume\n",
dev->name, err);
}
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
#else
#define orinoco_pci_suspend NULL
#define orinoco_pci_resume NULL

41
drivers/net/wireless/orinoco/spectrum_cs.c
View File

@ -421,22 +421,10 @@ static int
spectrum_cs_suspend(struct pcmcia_device *link)
{
struct orinoco_private *priv = link->priv;
struct net_device *dev = priv->ndev;
unsigned long flags;
int err = 0;
/* Mark the device as stopped, to block IO until later */
spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(priv);
if (err)
printk(KERN_WARNING "%s: Error %d downing interface\n",
dev->name, err);
netif_device_detach(dev);
priv->hw_unavailable++;
spin_unlock_irqrestore(&priv->lock, flags);
orinoco_down(priv);
return err;
}
@ -445,32 +433,9 @@ static int
spectrum_cs_resume(struct pcmcia_device *link)
{
struct orinoco_private *priv = link->priv;
struct net_device *dev = priv->ndev;
unsigned long flags;
int err;
int err = orinoco_up(priv);
err = orinoco_reinit_firmware(priv);
if (err) {
printk(KERN_ERR "%s: Error %d re-initializing firmware\n",
dev->name, err);
return -EIO;
}
spin_lock_irqsave(&priv->lock, flags);
netif_device_attach(dev);
priv->hw_unavailable--;
if (priv->open && !priv->hw_unavailable) {
err = __orinoco_up(priv);
if (err)
printk(KERN_ERR "%s: Error %d restarting card\n",
dev->name, err);
}
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
return err;
}