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

93 lines
2.7 KiB
Diff

--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1429,6 +1429,7 @@ 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
@@ -512,6 +512,7 @@ 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;
}