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path: root/drivers/net/wireless/ath/ath5k
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k')
-rw-r--r--drivers/net/wireless/ath/ath5k/attach.c3
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c2
-rw-r--r--drivers/net/wireless/ath/ath5k/debug.c96
-rw-r--r--drivers/net/wireless/ath/ath5k/led.c1
4 files changed, 99 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index 7106547a14dd..66b6366158b9 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -351,8 +351,7 @@ void ath5k_hw_deinit(struct ath5k_hw *ah)
{
__set_bit(ATH_STAT_INVALID, ah->status);
- if (ah->ah_rf_banks != NULL)
- kfree(ah->ah_rf_banks);
+ kfree(ah->ah_rf_banks);
ath5k_eeprom_detach(ah);
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 8ad2550bce7f..59a87247aac4 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1423,7 +1423,7 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
break;
}
- if (rxs->rate_idx >= 0 && rs->rs_rate ==
+ if (rs->rs_rate ==
ah->sbands[ah->curchan->band].bitrates[rxs->rate_idx].hw_value_short)
rxs->flag |= RX_FLAG_SHORTPRE;
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index b8d031ae63c2..30e4e1fd4b04 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -894,6 +894,100 @@ static const struct file_operations fops_queue = {
.llseek = default_llseek,
};
+/* debugfs: eeprom */
+
+struct eeprom_private {
+ u16 *buf;
+ int len;
+};
+
+static int open_file_eeprom(struct inode *inode, struct file *file)
+{
+ struct eeprom_private *ep;
+ struct ath5k_hw *ah = inode->i_private;
+ bool res;
+ int i, ret;
+ u32 eesize;
+ u16 val, *buf;
+
+ /* Get eeprom size */
+
+ res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
+ if (!res)
+ return -EACCES;
+
+ if (val == 0) {
+ eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
+ } else {
+ eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
+ AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
+ ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
+ eesize = eesize | val;
+ }
+
+ if (eesize > 4096)
+ return -EINVAL;
+
+ /* Create buffer and read in eeprom */
+
+ buf = vmalloc(eesize);
+ if (!buf) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ for (i = 0; i < eesize; ++i) {
+ AR5K_EEPROM_READ(i, val);
+ buf[i] = val;
+ }
+
+ /* Create private struct and assign to file */
+
+ ep = kmalloc(sizeof(*ep), GFP_KERNEL);
+ if (!ep) {
+ ret = -ENOMEM;
+ goto freebuf;
+ }
+
+ ep->buf = buf;
+ ep->len = i;
+
+ file->private_data = (void *)ep;
+
+ return 0;
+
+freebuf:
+ vfree(buf);
+err:
+ return ret;
+
+}
+
+static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct eeprom_private *ep = file->private_data;
+
+ return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
+}
+
+static int release_file_eeprom(struct inode *inode, struct file *file)
+{
+ struct eeprom_private *ep = file->private_data;
+
+ vfree(ep->buf);
+ kfree(ep);
+
+ return 0;
+}
+
+static const struct file_operations fops_eeprom = {
+ .open = open_file_eeprom,
+ .read = read_file_eeprom,
+ .release = release_file_eeprom,
+ .owner = THIS_MODULE,
+};
+
void
ath5k_debug_init_device(struct ath5k_hw *ah)
@@ -921,6 +1015,8 @@ ath5k_debug_init_device(struct ath5k_hw *ah)
debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
+ debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom);
+
debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
&fops_frameerrors);
diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index 48a6a69b57bc..2062d1190556 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -130,6 +130,7 @@ ath5k_register_led(struct ath5k_hw *ah, struct ath5k_led *led,
led->ah = ah;
strncpy(led->name, name, sizeof(led->name));
+ led->name[sizeof(led->name)-1] = 0;
led->led_dev.name = led->name;
led->led_dev.default_trigger = trigger;
led->led_dev.brightness_set = ath5k_led_brightness_set;