#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/crc32.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/skbuff.h>
#include <asm/io.h>
-#include <asm/irq.h>
#include "smc91x.h"
*/
#define MEMORY_WAIT_TIME 16
+/*
+ * The maximum number of processing loops allowed for each call to the
+ * IRQ handler.
+ */
+#define MAX_IRQ_LOOPS 8
+
/*
* This selects whether TX packets are sent one by one to the SMC91x internal
* memory and throttled until transmission completes. This may prevent
/* queue the packet for TX */
SMC_SET_MMU_CMD(MC_ENQUEUE);
- SMC_ACK_INT(IM_TX_EMPTY_INT);
smc_special_unlock(&lp->lock);
dev->trans_start = jiffies;
smc_phy_check_media(dev, 1);
smc_phy_configure_exit:
+ SMC_SELECT_BANK(2);
spin_unlock_irq(&lp->lock);
lp->work_pending = 0;
}
SMC_SET_INT_MASK(0);
/* set a timeout value, so I don't stay here forever */
- timeout = 8;
+ timeout = MAX_IRQ_LOOPS;
do {
status = SMC_GET_INT();
/* restore register states */
SMC_SET_PTR(saved_pointer);
SMC_SET_INT_MASK(mask);
-
spin_unlock(&lp->lock);
- DBG(3, "%s: Interrupt done (%d loops)\n", dev->name, 8-timeout);
+ if (timeout == MAX_IRQ_LOOPS)
+ PRINTK("%s: spurious interrupt (mask = 0x%02x)\n",
+ dev->name, mask);
+ DBG(3, "%s: Interrupt done (%d loops)\n",
+ dev->name, MAX_IRQ_LOOPS - timeout);
/*
* We return IRQ_HANDLED unconditionally here even if there was
if (lp->version >= (CHIP_91100 << 4))
smc_phy_detect(dev);
+ /* then shut everything down to save power */
+ smc_shutdown(dev);
+ smc_phy_powerdown(dev);
+
/* Set default parameters */
lp->msg_enable = NETIF_MSG_LINK;
lp->ctl_rfduplx = 0;
}
/* Grab the IRQ */
- retval = request_irq(dev->irq, &smc_interrupt, 0, dev->name, dev);
+ retval = request_irq(dev->irq, &smc_interrupt, SMC_IRQ_FLAGS, dev->name, dev);
if (retval)
goto err_out;
- set_irq_type(dev->irq, SMC_IRQ_TRIGGER_TYPE);
-
#ifdef SMC_USE_PXA_DMA
{
int dma = pxa_request_dma(dev->name, DMA_PRIO_LOW,
* 0 --> there is a device
* anything else, error
*/
-static int smc_drv_probe(struct device *dev)
+static int smc_drv_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct net_device *ndev;
struct resource *res;
unsigned int __iomem *addr;
goto out_release_io;
}
SET_MODULE_OWNER(ndev);
- SET_NETDEV_DEV(ndev, dev);
+ SET_NETDEV_DEV(ndev, &pdev->dev);
ndev->dma = (unsigned char)-1;
ndev->irq = platform_get_irq(pdev, 0);
goto out_release_attrib;
}
- dev_set_drvdata(dev, ndev);
+ platform_set_drvdata(pdev, ndev);
ret = smc_probe(ndev, addr);
if (ret != 0)
goto out_iounmap;
return 0;
out_iounmap:
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
iounmap(addr);
out_release_attrib:
smc_release_attrib(pdev);
return ret;
}
-static int smc_drv_remove(struct device *dev)
+static int smc_drv_remove(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(pdev);
struct smc_local *lp = netdev_priv(ndev);
struct resource *res;
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
unregister_netdev(ndev);
return 0;
}
-static int smc_drv_suspend(struct device *dev, pm_message_t state, u32 level)
+static int smc_drv_suspend(struct platform_device *dev, pm_message_t state)
{
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(dev);
- if (ndev && level == SUSPEND_DISABLE) {
+ if (ndev) {
if (netif_running(ndev)) {
netif_device_detach(ndev);
smc_shutdown(ndev);
return 0;
}
-static int smc_drv_resume(struct device *dev, u32 level)
+static int smc_drv_resume(struct platform_device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct net_device *ndev = dev_get_drvdata(dev);
+ struct net_device *ndev = platform_get_drvdata(dev);
- if (ndev && level == RESUME_ENABLE) {
+ if (ndev) {
struct smc_local *lp = netdev_priv(ndev);
- smc_enable_device(pdev);
+ smc_enable_device(dev);
if (netif_running(ndev)) {
smc_reset(ndev);
smc_enable(ndev);
return 0;
}
-static struct device_driver smc_driver = {
- .name = CARDNAME,
- .bus = &platform_bus_type,
+static struct platform_driver smc_driver = {
.probe = smc_drv_probe,
.remove = smc_drv_remove,
.suspend = smc_drv_suspend,
.resume = smc_drv_resume,
+ .driver = {
+ .name = CARDNAME,
+ },
};
static int __init smc_init(void)
#endif
#endif
- return driver_register(&smc_driver);
+ return platform_driver_register(&smc_driver);
}
static void __exit smc_cleanup(void)
{
- driver_unregister(&smc_driver);
+ platform_driver_unregister(&smc_driver);
}
module_init(smc_init);