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-rw-r--r--drivers/net/wireless/atmel.c41
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index bd35bb0a1480..f23bcd07dee8 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1304,7 +1304,7 @@ EXPORT_SYMBOL(atmel_open);
1304int atmel_open(struct net_device *dev) 1304int atmel_open(struct net_device *dev)
1305{ 1305{
1306 struct atmel_private *priv = netdev_priv(dev); 1306 struct atmel_private *priv = netdev_priv(dev);
1307 int i, channel; 1307 int i, channel, err;
1308 1308
1309 /* any scheduled timer is no longer needed and might screw things up.. */ 1309 /* any scheduled timer is no longer needed and might screw things up.. */
1310 del_timer_sync(&priv->management_timer); 1310 del_timer_sync(&priv->management_timer);
@@ -1328,8 +1328,9 @@ int atmel_open(struct net_device *dev)
1328 priv->site_survey_state = SITE_SURVEY_IDLE; 1328 priv->site_survey_state = SITE_SURVEY_IDLE;
1329 priv->station_is_associated = 0; 1329 priv->station_is_associated = 0;
1330 1330
1331 if (!reset_atmel_card(dev)) 1331 err = reset_atmel_card(dev);
1332 return -EAGAIN; 1332 if (err)
1333 return err;
1333 1334
1334 if (priv->config_reg_domain) { 1335 if (priv->config_reg_domain) {
1335 priv->reg_domain = priv->config_reg_domain; 1336 priv->reg_domain = priv->config_reg_domain;
@@ -3580,12 +3581,12 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
3580 3581
3581 if (i == 0) { 3582 if (i == 0) {
3582 printk(KERN_ALERT "%s: MAC failed to boot.\n", priv->dev->name); 3583 printk(KERN_ALERT "%s: MAC failed to boot.\n", priv->dev->name);
3583 return 0; 3584 return -EIO;
3584 } 3585 }
3585 3586
3586 if ((priv->host_info_base = atmel_read16(priv->dev, MR2)) == 0xffff) { 3587 if ((priv->host_info_base = atmel_read16(priv->dev, MR2)) == 0xffff) {
3587 printk(KERN_ALERT "%s: card missing.\n", priv->dev->name); 3588 printk(KERN_ALERT "%s: card missing.\n", priv->dev->name);
3588 return 0; 3589 return -ENODEV;
3589 } 3590 }
3590 3591
3591 /* now check for completion of MAC initialization through 3592 /* now check for completion of MAC initialization through
@@ -3609,19 +3610,19 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
3609 if (i == 0) { 3610 if (i == 0) {
3610 printk(KERN_ALERT "%s: MAC failed to initialise.\n", 3611 printk(KERN_ALERT "%s: MAC failed to initialise.\n",
3611 priv->dev->name); 3612 priv->dev->name);
3612 return 0; 3613 return -EIO;
3613 } 3614 }
3614 3615
3615 /* Check for MAC_INIT_OK only on the register that the MAC_INIT_OK was set */ 3616 /* Check for MAC_INIT_OK only on the register that the MAC_INIT_OK was set */
3616 if ((mr3 & MAC_INIT_COMPLETE) && 3617 if ((mr3 & MAC_INIT_COMPLETE) &&
3617 !(atmel_read16(priv->dev, MR3) & MAC_INIT_OK)) { 3618 !(atmel_read16(priv->dev, MR3) & MAC_INIT_OK)) {
3618 printk(KERN_ALERT "%s: MAC failed MR3 self-test.\n", priv->dev->name); 3619 printk(KERN_ALERT "%s: MAC failed MR3 self-test.\n", priv->dev->name);
3619 return 0; 3620 return -EIO;
3620 } 3621 }
3621 if ((mr1 & MAC_INIT_COMPLETE) && 3622 if ((mr1 & MAC_INIT_COMPLETE) &&
3622 !(atmel_read16(priv->dev, MR1) & MAC_INIT_OK)) { 3623 !(atmel_read16(priv->dev, MR1) & MAC_INIT_OK)) {
3623 printk(KERN_ALERT "%s: MAC failed MR1 self-test.\n", priv->dev->name); 3624 printk(KERN_ALERT "%s: MAC failed MR1 self-test.\n", priv->dev->name);
3624 return 0; 3625 return -EIO;
3625 } 3626 }
3626 3627
3627 atmel_copy_to_host(priv->dev, (unsigned char *)iface, 3628 atmel_copy_to_host(priv->dev, (unsigned char *)iface,
@@ -3642,7 +3643,7 @@ static int atmel_wakeup_firmware(struct atmel_private *priv)
3642 iface->func_ctrl = le16_to_cpu(iface->func_ctrl); 3643 iface->func_ctrl = le16_to_cpu(iface->func_ctrl);
3643 iface->mac_status = le16_to_cpu(iface->mac_status); 3644 iface->mac_status = le16_to_cpu(iface->mac_status);
3644 3645
3645 return 1; 3646 return 0;
3646} 3647}
3647 3648
3648/* determine type of memory and MAC address */ 3649/* determine type of memory and MAC address */
@@ -3693,7 +3694,7 @@ static int probe_atmel_card(struct net_device *dev)
3693 /* Standard firmware in flash, boot it up and ask 3694 /* Standard firmware in flash, boot it up and ask
3694 for the Mac Address */ 3695 for the Mac Address */
3695 priv->card_type = CARD_TYPE_SPI_FLASH; 3696 priv->card_type = CARD_TYPE_SPI_FLASH;
3696 if (atmel_wakeup_firmware(priv)) { 3697 if (atmel_wakeup_firmware(priv) == 0) {
3697 atmel_get_mib(priv, Mac_Address_Mib_Type, 0, dev->dev_addr, 6); 3698 atmel_get_mib(priv, Mac_Address_Mib_Type, 0, dev->dev_addr, 6);
3698 3699
3699 /* got address, now squash it again until the network 3700 /* got address, now squash it again until the network
@@ -3835,6 +3836,7 @@ static int reset_atmel_card(struct net_device *dev)
3835 struct atmel_private *priv = netdev_priv(dev); 3836 struct atmel_private *priv = netdev_priv(dev);
3836 u8 configuration; 3837 u8 configuration;
3837 int old_state = priv->station_state; 3838 int old_state = priv->station_state;
3839 int err = 0;
3838 3840
3839 /* data to add to the firmware names, in priority order 3841 /* data to add to the firmware names, in priority order
3840 this implemenents firmware versioning */ 3842 this implemenents firmware versioning */
@@ -3868,11 +3870,12 @@ static int reset_atmel_card(struct net_device *dev)
3868 dev->name); 3870 dev->name);
3869 strcpy(priv->firmware_id, "atmel_at76c502.bin"); 3871 strcpy(priv->firmware_id, "atmel_at76c502.bin");
3870 } 3872 }
3871 if (request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev) != 0) { 3873 err = request_firmware(&fw_entry, priv->firmware_id, priv->sys_dev);
3874 if (err != 0) {
3872 printk(KERN_ALERT 3875 printk(KERN_ALERT
3873 "%s: firmware %s is missing, cannot continue.\n", 3876 "%s: firmware %s is missing, cannot continue.\n",
3874 dev->name, priv->firmware_id); 3877 dev->name, priv->firmware_id);
3875 return 0; 3878 return err;
3876 } 3879 }
3877 } else { 3880 } else {
3878 int fw_index = 0; 3881 int fw_index = 0;
@@ -3901,7 +3904,7 @@ static int reset_atmel_card(struct net_device *dev)
3901 "%s: firmware %s is missing, cannot start.\n", 3904 "%s: firmware %s is missing, cannot start.\n",
3902 dev->name, priv->firmware_id); 3905 dev->name, priv->firmware_id);
3903 priv->firmware_id[0] = '\0'; 3906 priv->firmware_id[0] = '\0';
3904 return 0; 3907 return -ENOENT;
3905 } 3908 }
3906 } 3909 }
3907 3910
@@ -3926,8 +3929,9 @@ static int reset_atmel_card(struct net_device *dev)
3926 release_firmware(fw_entry); 3929 release_firmware(fw_entry);
3927 } 3930 }
3928 3931
3929 if (!atmel_wakeup_firmware(priv)) 3932 err = atmel_wakeup_firmware(priv);
3930 return 0; 3933 if (err != 0)
3934 return err;
3931 3935
3932 /* Check the version and set the correct flag for wpa stuff, 3936 /* Check the version and set the correct flag for wpa stuff,
3933 old and new firmware is incompatible. 3937 old and new firmware is incompatible.
@@ -3968,10 +3972,9 @@ static int reset_atmel_card(struct net_device *dev)
3968 if (!priv->radio_on_broken) { 3972 if (!priv->radio_on_broken) {
3969 if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) == 3973 if (atmel_send_command_wait(priv, CMD_EnableRadio, NULL, 0) ==
3970 CMD_STATUS_REJECTED_RADIO_OFF) { 3974 CMD_STATUS_REJECTED_RADIO_OFF) {
3971 printk(KERN_INFO 3975 printk(KERN_INFO "%s: cannot turn the radio on.\n",
3972 "%s: cannot turn the radio on. (Hey radio, you're beautiful!)\n",
3973 dev->name); 3976 dev->name);
3974 return 0; 3977 return -EIO;
3975 } 3978 }
3976 } 3979 }
3977 3980
@@ -4006,7 +4009,7 @@ static int reset_atmel_card(struct net_device *dev)
4006 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL); 4009 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
4007 } 4010 }
4008 4011
4009 return 1; 4012 return 0;
4010} 4013}
4011 4014
4012static void atmel_send_command(struct atmel_private *priv, int command, 4015static void atmel_send_command(struct atmel_private *priv, int command,