generic: generic: remove MIPS device tree backport patch from 2.6.36
[openwrt.git] / package / switch / src / switch-robo.c
index 32cf2b3..2fca360 100644 (file)
@@ -2,6 +2,7 @@
  * Broadcom BCM5325E/536x switch configuration module
  *
  * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
  * Based on 'robocfg' by Oleg I. Vdovikin
  *
  * This program is free software; you can redistribute it and/or
@@ -20,7 +21,6 @@
  * 02110-1301, USA.
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/if.h>
 #include <linux/sockios.h>
 #include <linux/ethtool.h>
 #include <linux/mii.h>
+#include <linux/delay.h>
 #include <asm/uaccess.h>
 
 #include "switch-core.h"
 #include "etc53xx.h"
 
 #define DRIVER_NAME            "bcm53xx"
-#define DRIVER_VERSION "0.01"
+#define DRIVER_VERSION         "0.02"
+#define PFX                    "roboswitch: "
 
-#define ROBO_PHY_ADDR  0x1E    /* robo switch phy address */
+#define ROBO_PHY_ADDR          0x1E    /* robo switch phy address */
+#define ROBO_PHY_ADDR_TG3      0x01    /* Tigon3 PHY address */
+#define ROBO_PHY_ADDR_BCM63XX  0x00    /* BCM63XX PHY address */
 
 /* MII registers */
 #define REG_MII_PAGE   0x10    /* MII Page register */
 #define REG_MII_ADDR_WRITE     1
 #define REG_MII_ADDR_READ      2
 
+/* Robo device ID register (in ROBO_MGMT_PAGE) */
+#define ROBO_DEVICE_ID         0x30
+#define  ROBO_DEVICE_ID_5325   0x25 /* Faked */
+#define  ROBO_DEVICE_ID_5395   0x95
+#define  ROBO_DEVICE_ID_5397   0x97
+#define  ROBO_DEVICE_ID_5398   0x98
+#define  ROBO_DEVICE_ID_53115  0x3115
+
 /* Private et.o ioctls */
 #define SIOCGETCPHYRD           (SIOCDEVPRIVATE + 9)
 #define SIOCSETCPHYWR           (SIOCDEVPRIVATE + 10)
 
-static char *device;
-static int use_et = 0;
-static int is_5350 = 0;
-static struct ifreq ifr;
-static struct net_device *dev;
-static unsigned char port[6] = { 0, 1, 2, 3, 4, 8 };
+/* Only available on brcm47xx */
+#ifdef BROADCOM
+extern char *nvram_get(const char *name);
+#define getvar(str) (nvram_get(str)?:"")
+#else
+#define getvar(str) ""
+#endif
+
+/* Data structure for a Roboswitch device. */
+struct robo_switch {
+       char *device;                   /* The device name string (ethX) */
+       u16 devid;                      /* ROBO_DEVICE_ID_53xx */
+       bool use_et;
+       bool is_5350;
+       u8 phy_addr;                    /* PHY address of the device */
+       struct ifreq ifr;
+       struct net_device *dev;
+       unsigned char port[6];
+};
+
+/* Currently we can only have one device in the system. */
+static struct robo_switch robo;
+
 
 static int do_ioctl(int cmd, void *buf)
 {
@@ -64,10 +93,14 @@ static int do_ioctl(int cmd, void *buf)
        int ret;
 
        if (buf != NULL)
-               ifr.ifr_data = (caddr_t) buf;
+               robo.ifr.ifr_data = (caddr_t) buf;
 
        set_fs(KERNEL_DS);
-       ret = dev->do_ioctl(dev, &ifr, cmd);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31)
+       ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
+#else
+       ret = robo.dev->do_ioctl(robo.dev, &robo.ifr, cmd);
+#endif
        set_fs(old_fs);
 
        return ret;
@@ -75,11 +108,11 @@ static int do_ioctl(int cmd, void *buf)
 
 static u16 mdio_read(__u16 phy_id, __u8 reg)
 {
-       if (use_et) {
+       if (robo.use_et) {
                int args[2] = { reg };
-               
-               if (phy_id != ROBO_PHY_ADDR) {
-                       printk(
+
+               if (phy_id != robo.phy_addr) {
+                       printk(KERN_ERR PFX
                                "Access to real 'phy' registers unavaliable.\n"
                                "Upgrade kernel driver.\n");
 
@@ -88,18 +121,20 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
 
 
                if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
-                       printk("[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
+                       printk(KERN_ERR PFX
+                              "[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
                        return 0xffff;
                }
-       
+
                return args[1];
        } else {
-               struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
+               struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
                mii->phy_id = phy_id;
                mii->reg_num = reg;
 
                if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
-                       printk("[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
+                       printk(KERN_ERR PFX
+                              "[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
 
                        return 0xffff;
                }
@@ -110,30 +145,32 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
 
 static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
 {
-       if (use_et) {
+       if (robo.use_et) {
                int args[2] = { reg, val };
 
-               if (phy_id != ROBO_PHY_ADDR) {
-                       printk(
+               if (phy_id != robo.phy_addr) {
+                       printk(KERN_ERR PFX
                                "Access to real 'phy' registers unavaliable.\n"
                                "Upgrade kernel driver.\n");
 
                        return;
                }
-               
+
                if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
-                       printk("[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
+                       printk(KERN_ERR PFX
+                              "[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
                        return;
                }
        } else {
-               struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&ifr.ifr_data;
+               struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data;
 
                mii->phy_id = phy_id;
                mii->reg_num = reg;
                mii->val_in = val;
 
                if (do_ioctl(SIOCSMIIREG, NULL) < 0) {
-                       printk("[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
+                       printk(KERN_ERR PFX
+                              "[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__);
                        return;
                }
        }
@@ -142,23 +179,23 @@ static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
 static int robo_reg(__u8 page, __u8 reg, __u8 op)
 {
        int i = 3;
-       
+
        /* set page number */
-       mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE, 
+       mdio_write(robo.phy_addr, REG_MII_PAGE,
                (page << 8) | REG_MII_PAGE_ENABLE);
-       
+
        /* set register address */
-       mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR, 
+       mdio_write(robo.phy_addr, REG_MII_ADDR,
                (reg << 8) | op);
 
        /* check if operation completed */
        while (i--) {
-               if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
+               if ((mdio_read(robo.phy_addr, REG_MII_ADDR) & 3) == 0)
                        return 0;
        }
 
-       printk("[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
-       
+       printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
+
        return 0;
 }
 
@@ -166,33 +203,33 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op)
 static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
 {
        int i;
-       
+
        robo_reg(page, reg, REG_MII_ADDR_READ);
-       
+
        for (i = 0; i < count; i++)
-               val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
+               val[i] = mdio_read(robo.phy_addr, REG_MII_DATA0 + i);
 }
 */
 
 static __u16 robo_read16(__u8 page, __u8 reg)
 {
        robo_reg(page, reg, REG_MII_ADDR_READ);
-       
-       return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
+
+       return mdio_read(robo.phy_addr, REG_MII_DATA0);
 }
 
 static __u32 robo_read32(__u8 page, __u8 reg)
 {
        robo_reg(page, reg, REG_MII_ADDR_READ);
-       
-       return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) +
-               (mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
+
+       return mdio_read(robo.phy_addr, REG_MII_DATA0) +
+               (mdio_read(robo.phy_addr, REG_MII_DATA0 + 1) << 16);
 }
 
 static void robo_write16(__u8 page, __u8 reg, __u16 val16)
 {
        /* write data */
-       mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
+       mdio_write(robo.phy_addr, REG_MII_DATA0, val16);
 
        robo_reg(page, reg, REG_MII_ADDR_WRITE);
 }
@@ -200,9 +237,9 @@ static void robo_write16(__u8 page, __u8 reg, __u16 val16)
 static void robo_write32(__u8 page, __u8 reg, __u32 val32)
 {
        /* write data */
-       mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535);
-       mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
-       
+       mdio_write(robo.phy_addr, REG_MII_DATA0, val32 & 65535);
+       mdio_write(robo.phy_addr, REG_MII_DATA0 + 1, val32 >> 16);
+
        robo_reg(page, reg, REG_MII_ADDR_WRITE);
 }
 
@@ -212,58 +249,122 @@ static int robo_vlan5350(void)
        /* set vlan access id to 15 and read it back */
        __u16 val16 = 15;
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
-       
+
        /* 5365 will refuse this as it does not have this reg */
        return (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16);
 }
 
+static int robo_switch_enable(void)
+{
+       unsigned int i, last_port;
+       u16 val;
+
+       val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
+       if (!(val & (1 << 1))) {
+               /* Unmanaged mode */
+               val &= ~(1 << 0);
+               /* With forwarding */
+               val |= (1 << 1);
+               robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
+               val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
+               if (!(val & (1 << 1))) {
+                       printk("Failed to enable switch\n");
+                       return -EBUSY;
+               }
+
+               last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
+                               ROBO_PORT6_CTRL : ROBO_PORT3_CTRL;
+               for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++)
+                       robo_write16(ROBO_CTRL_PAGE, i, 0);
+       }
+
+       /* WAN port LED, except for Netgear WGT634U */
+       if (strcmp(getvar("nvram_type"), "cfe") != 0)
+               robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
+
+       return 0;
+}
 
+static void robo_switch_reset(void)
+{
+       if ((robo.devid == ROBO_DEVICE_ID_5395) ||
+           (robo.devid == ROBO_DEVICE_ID_5397) ||
+           (robo.devid == ROBO_DEVICE_ID_5398)) {
+               /* Trigger a software reset. */
+               robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
+               mdelay(500);
+               robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
+       }
+}
 
 static int robo_probe(char *devname)
 {
-       struct ethtool_drvinfo info;
-/*
-       int i;
-*/
        __u32 phyid;
+       unsigned int i;
+       int err;
 
-       printk("Probing device %s: ", devname);
-       strcpy(ifr.ifr_name, devname);
+       printk(KERN_INFO PFX "Probing device %s: ", devname);
+       strcpy(robo.ifr.ifr_name, devname);
 
-       if ((dev = dev_get_by_name(devname)) == NULL) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+       if ((robo.dev = dev_get_by_name(devname)) == NULL) {
+#else
+       if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
+#endif
                printk("No such device\n");
                return 1;
        }
 
-       info.cmd = ETHTOOL_GDRVINFO;
-       if (do_ioctl(SIOCETHTOOL, (void *) &info) < 0) {
-               printk("SIOCETHTOOL: not supported\n");
-               return 1;
-       }
-       
+       robo.device = devname;
+       for (i = 0; i < 5; i++)
+               robo.port[i] = i;
+       robo.port[5] = 8;
+
        /* try access using MII ioctls - get phy address */
        if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
-               use_et = 1;
+               robo.use_et = 1;
+               robo.phy_addr = ROBO_PHY_ADDR;
        } else {
                /* got phy address check for robo address */
-               struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data;
-               if (mii->phy_id != ROBO_PHY_ADDR) {
+               struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
+               if ((mii->phy_id != ROBO_PHY_ADDR) &&
+                   (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
+                   (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
                        printk("Invalid phy address (%d)\n", mii->phy_id);
                        return 1;
                }
+               robo.use_et = 0;
+               /* The robo has a fixed PHY address that is different from the
+                * Tigon3 and BCM63xx PHY address. */
+               robo.phy_addr = ROBO_PHY_ADDR;
        }
 
-       phyid = mdio_read(ROBO_PHY_ADDR, 0x2) | 
-               (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
+       phyid = mdio_read(robo.phy_addr, 0x2) | 
+               (mdio_read(robo.phy_addr, 0x3) << 16);
 
        if (phyid == 0xffffffff || phyid == 0x55210022) {
-               printk("No Robo switch in managed mode found\n");
+               printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
                return 1;
        }
-       
-       is_5350 = robo_vlan5350();
-       
-       printk("found!\n");
+
+       /* Get the device ID */
+       for (i = 0; i < 10; i++) {
+               robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
+               if (robo.devid)
+                       break;
+               udelay(10);
+       }
+       if (!robo.devid)
+               robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
+       robo.is_5350 = robo_vlan5350();
+
+       robo_switch_reset();
+       err = robo_switch_enable();
+       if (err)
+               return err;
+
+       printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
+               robo.is_5350 ? " It's a 5350." : "");
        return 0;
 }
 
@@ -275,8 +376,8 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
        int j;
 
        val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
-       
-       if (is_5350) {
+
+       if (robo.is_5350) {
                u32 val32;
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
                /* actual read */
@@ -297,7 +398,7 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
                        }
                        len += sprintf(buf + len, "\n");
                }
-       } else { 
+       } else {
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
                /* actual read */
                val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
@@ -330,7 +431,7 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr)
        switch_vlan_config *c = switch_parse_vlan(d, buf);
        int j;
        __u16 val16;
-       
+
        if (c == NULL)
                return -EINVAL;
 
@@ -341,8 +442,19 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr)
        }
 
        /* write config now */
+
+       if (robo.devid != ROBO_DEVICE_ID_5325) {
+               __u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) ||
+                       (robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0;
+
+               robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port);
+               robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr);
+               robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7);
+               return 0;
+       }
+
        val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
-       if (is_5350) {
+       if (robo.is_5350) {
                robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350,
                        (1 << 20) /* valid */ | (c->untag << 6) | c->port);
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
@@ -378,11 +490,16 @@ static int handle_enable_vlan_read(void *driver, char *buf, int nr)
 static int handle_enable_vlan_write(void *driver, char *buf, int nr)
 {
        int disable = ((buf[0] != '1') ? 1 : 0);
-       
+
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
                (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
-               (1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */);
+               (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
+               0) | (1 << 2) | (1 << 3)); /* RSV multicast */
+
+       if (robo.devid != ROBO_DEVICE_ID_5325)
+               return 0;
+
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
                (1 << 6) /* drop invalid VID frames */);
        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
@@ -397,7 +514,7 @@ static int handle_reset(void *driver, char *buf, int nr)
        switch_vlan_config *c = switch_parse_vlan(d, buf);
        int j;
        __u16 val16;
-       
+
        if (c == NULL)
                return -EINVAL;
 
@@ -405,19 +522,21 @@ static int handle_reset(void *driver, char *buf, int nr)
        set_switch(0);
 
        /* reset vlans */
-       for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
+       for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
                /* write config now */
                val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
-               if (is_5350)
+               if (robo.is_5350)
                        robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
                else
                        robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
-               robo_write16(ROBO_VLAN_PAGE, (is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 : ROBO_VLAN_TABLE_ACCESS), val16);
+               robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 :
+                                                           ROBO_VLAN_TABLE_ACCESS,
+                            val16);
        }
 
        /* reset ports to a known good state */
        for (j = 0; j < d->ports; j++) {
-               robo_write16(ROBO_CTRL_PAGE, port[j], 0x0000);
+               robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
        }
 
@@ -433,38 +552,56 @@ static int handle_reset(void *driver, char *buf, int nr)
 static int __init robo_init(void)
 {
        int notfound = 1;
+       char *device;
 
        device = strdup("ethX");
        for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
-               notfound = robo_probe(device);
+               if (! switch_device_registered (device))
+                       notfound = robo_probe(device);
        }
        device[3]--;
-       
+
        if (notfound) {
                kfree(device);
                return -ENODEV;
        } else {
-               switch_config cfg[] = {
-                       {"enable", handle_enable_read, handle_enable_write},
-                       {"enable_vlan", handle_enable_vlan_read, handle_enable_vlan_write},
-                       {"reset", NULL, handle_reset},
-                       {NULL, NULL, NULL}
+               static const switch_config cfg[] = {
+                       {
+                               .name   = "enable",
+                               .read   = handle_enable_read,
+                               .write  = handle_enable_write
+                       }, {
+                               .name   = "enable_vlan",
+                               .read   = handle_enable_vlan_read,
+                               .write  = handle_enable_vlan_write
+                       }, {
+                               .name   = "reset",
+                               .read   = NULL,
+                               .write  = handle_reset
+                       }, { NULL, },
                };
-               switch_config vlan[] = {
-                       {"ports", handle_vlan_port_read, handle_vlan_port_write},
-                       {NULL, NULL, NULL}
+               static const switch_config vlan[] = {
+                       {
+                               .name   = "ports",
+                               .read   = handle_vlan_port_read,
+                               .write  = handle_vlan_port_write
+                       }, { NULL, },
                };
                switch_driver driver = {
-                       name: DRIVER_NAME,
-                       version: DRIVER_VERSION,
-                       interface: device,
-                       cpuport: 5,
-                       ports: 6,
-                       vlans: 16,
-                       driver_handlers: cfg,
-                       port_handlers: NULL,
-                       vlan_handlers: vlan,
+                       .name                   = DRIVER_NAME,
+                       .version                = DRIVER_VERSION,
+                       .interface              = device,
+                       .cpuport                = 5,
+                       .ports                  = 6,
+                       .vlans                  = 16,
+                       .driver_handlers        = cfg,
+                       .port_handlers          = NULL,
+                       .vlan_handlers          = vlan,
                };
+               if (robo.devid != ROBO_DEVICE_ID_5325) {
+                       driver.ports = 9;
+                       driver.cpuport = 8;
+               }
 
                return switch_register_driver(&driver);
        }
@@ -473,7 +610,7 @@ static int __init robo_init(void)
 static void __exit robo_exit(void)
 {
        switch_unregister_driver(DRIVER_NAME);
-       kfree(device);
+       kfree(robo.device);
 }
 
 
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