[package] kernel: revert unrelated change in previous commit

[openwrt.git] / package / switch / src / switch-robo.c

diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index 43e8098..817fba3 100644 (file)
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -63,12 +63,7 @@
 #define SIOCGETCPHYRD           (SIOCDEVPRIVATE + 9)
 #define SIOCSETCPHYWR           (SIOCDEVPRIVATE + 10)
 
-/* linux 2.4 does not have 'bool' */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define bool int
-#endif
-
-/* Only available on brcm-2.4/brcm47xx */
+/* Only available on brcm47xx */
 #ifdef BROADCOM
 extern char *nvram_get(const char *name);
 #define getvar(str) (nvram_get(str)?:"")
@@ -130,7 +125,7 @@ static u16 mdio_read(__u16 phy_id, __u8 reg)
                               "[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__);
                        return 0xffff;
                }
-       
+
                return args[1];
        } else {
                struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data;
@@ -160,7 +155,7 @@ static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
 
                        return;
                }
-               
+
                if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
                        printk(KERN_ERR PFX
                               "[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
@@ -184,13 +179,13 @@ 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 */
@@ -200,7 +195,7 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op)
        }
 
        printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
-       
+
        return 0;
 }
 
@@ -208,9 +203,9 @@ 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);
 }
@@ -219,14 +214,14 @@ static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
 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);
 }
 
 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);
 }
@@ -244,7 +239,7 @@ 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);
-       
+
        robo_reg(page, reg, REG_MII_ADDR_WRITE);
 }
 
@@ -254,7 +249,7 @@ 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);
 }
@@ -306,7 +301,7 @@ static int robo_probe(char *devname)
 {
        __u32 phyid;
        unsigned int i;
-       int err;
+       int err = 1;
 
        printk(KERN_INFO PFX "Probing device %s: ", devname);
        strcpy(robo.ifr.ifr_name, devname);
@@ -336,7 +331,7 @@ static int robo_probe(char *devname)
                    (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;
+                       goto done;
                }
                robo.use_et = 0;
                /* The robo has a fixed PHY address that is different from the
@@ -349,7 +344,7 @@ static int robo_probe(char *devname)
 
        if (phyid == 0xffffffff || phyid == 0x55210022) {
                printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
-               return 1;
+               goto done;
        }
 
        /* Get the device ID */
@@ -366,11 +361,18 @@ static int robo_probe(char *devname)
        robo_switch_reset();
        err = robo_switch_enable();
        if (err)
-               return err;
+               goto done;
+       err = 0;
 
        printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
                robo.is_5350 ? " It's a 5350." : "");
-       return 0;
+
+done:
+       if (err) {
+               dev_put(robo.dev);
+               robo.dev = NULL;
+       }
+       return err;
 }
 
 
@@ -381,7 +383,7 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr)
        int j;
 
        val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
-       
+
        if (robo.is_5350) {
                u32 val32;
                robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
@@ -403,7 +405,7 @@ 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);
@@ -436,7 +438,7 @@ 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;
 
@@ -495,7 +497,7 @@ 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 :
@@ -519,7 +521,7 @@ 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;
 
@@ -565,7 +567,7 @@ static int __init robo_init(void)
                        notfound = robo_probe(device);
        }
        device[3]--;
-       
+
        if (notfound) {
                kfree(device);
                return -ENODEV;
@@ -615,6 +617,8 @@ static int __init robo_init(void)
 static void __exit robo_exit(void)
 {
        switch_unregister_driver(DRIVER_NAME);
+       if (robo.dev)
+               dev_put(robo.dev);
        kfree(robo.device);
 }