--- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1471,6 +1471,7 @@ 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 @@ -519,6 +519,7 @@ 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; }