diff options
| author | Rajkumar Manoharan <rmanohar@qca.qualcomm.com> | 2011-07-29 17:38:13 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-09 15:42:38 -0400 |
| commit | 3f4c4bdd9d4d069e3d5e6154bfdd809f7923a90b (patch) | |
| tree | ec4882aa3a3af6abe4d42bba126fd4a567169a29 | |
| parent | 580f010f1bd7ac0e83f77f4b3035e78417d3c2e2 (diff) | |
ath9k: Dump modal eeprom header
Debugfs file location:
<debugfs_mnt>/ieee80211/phy#/ath9k/modal_eeprom
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index cdd370cc071..9bec3b89fb6 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1191,6 +1191,34 @@ static const struct file_operations fops_base_eeprom = { .llseek = default_llseek, }; +static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_softc *sc = file->private_data; + struct ath_hw *ah = sc->sc_ah; + u32 len = 0, size = 6000; + char *buf; + size_t retval; + + buf = kzalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size); + + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; +} + +static const struct file_operations fops_modal_eeprom = { + .read = read_file_modal_eeprom, + .open = ath9k_debugfs_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); @@ -1236,6 +1264,8 @@ int ath9k_init_debug(struct ath_hw *ah) &fops_regdump); debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_base_eeprom); + debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_modal_eeprom); debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); |