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authorRajkumar Manoharan <rmanohar@qca.qualcomm.com>2011-07-29 16:08:13 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-08-09 23:42:38 +0400
commit3f4c4bdd9d4d069e3d5e6154bfdd809f7923a90b (patch)
treeec4882aa3a3af6abe4d42bba126fd4a567169a29 /drivers/net/wireless/ath/ath9k/debug.c
parent580f010f1bd7ac0e83f77f4b3035e78417d3c2e2 (diff)
downloadlinux-3f4c4bdd9d4d069e3d5e6154bfdd809f7923a90b.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c30
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 cdd370cc071a..9bec3b89fb68 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);