openwrt/package/kernel/mac80211/patches/ath9k/500-ath9k_eeprom_debugfs.patch

--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1431,6 +1431,7 @@ int ath9k_init_debug(struct ath_hw *ah)
 
 	ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
 	ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
+	ath9k_cmn_debug_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
 
 	debugfs_create_u32("gpio_mask", 0600,
 			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
--- a/drivers/net/wireless/ath/ath9k/common-debug.c
+++ b/drivers/net/wireless/ath/ath9k/common-debug.c
@@ -260,3 +260,58 @@ void ath9k_cmn_debug_phy_err(struct dent
 			    &fops_phy_err);
 }
 EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);
+
+static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_hw *ah = file->private_data;
+	struct ath_common *common = ath9k_hw_common(ah);
+	int bytes = 0;
+	int pos = *ppos;
+	int size = 4096;
+	u16 val;
+	int i;
+
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		size = 16384;
+
+	if (*ppos < 0)
+		return -EINVAL;
+
+	if (count > size - *ppos)
+		count = size - *ppos;
+
+	for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) {
+		void *from = &val;
+
+		if (!common->bus_ops->eeprom_read(common, i, &val))
+			val = 0xffff;
+
+		if (*ppos % 2) {
+			from++;
+			bytes = 1;
+		} else if (count == 1) {
+			bytes = 1;
+		} else {
+			bytes = 2;
+		}
+		if (copy_to_user(user_buf, from, bytes))
+			return -EFAULT;
+		user_buf += bytes;
+	}
+	return *ppos - pos;
+}
+
+static const struct file_operations fops_eeprom = {
+	.read = read_file_eeprom,
+	.open = simple_open,
+	.owner = THIS_MODULE
+};
+
+void ath9k_cmn_debug_eeprom(struct dentry *debugfs_phy,
+			    struct ath_hw *ah)
+{
+	debugfs_create_file("eeprom", S_IRUSR, debugfs_phy, ah,
+			    &fops_eeprom);
+}
+EXPORT_SYMBOL(ath9k_cmn_debug_eeprom);
--- a/drivers/net/wireless/ath/ath9k/common-debug.h
+++ b/drivers/net/wireless/ath/ath9k/common-debug.h
@@ -69,6 +69,8 @@ void ath9k_cmn_debug_modal_eeprom(struct
 				  struct ath_hw *ah);
 void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
 				 struct ath_hw *ah);
+void ath9k_cmn_debug_eeprom(struct dentry *debugfs_phy,
+			    struct ath_hw *ah);
 void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
 			     struct ath_rx_status *rs);
 void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
--- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -514,6 +514,7 @@ int ath9k_htc_init_debug(struct ath_hw *
 
 	ath9k_cmn_debug_base_eeprom(priv->debug.debugfs_phy, priv->ah);
 	ath9k_cmn_debug_modal_eeprom(priv->debug.debugfs_phy, priv->ah);
+	ath9k_cmn_debug_eeprom(priv->debug.debugfs_phy, priv->ah);
 
 	return 0;
 }