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

   1 --- a/drivers/net/wireless/ath/ath9k/debug.c
   2 +++ b/drivers/net/wireless/ath/ath9k/debug.c
   3 @@ -1471,6 +1471,7 @@ int ath9k_init_debug(struct ath_hw *ah)
   4
   5         ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
   6         ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
   7 +       ath9k_cmn_debug_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
   8
   9         debugfs_create_u32("gpio_mask", 0600,
  10                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
  11 --- a/drivers/net/wireless/ath/ath9k/common-debug.c
  12 +++ b/drivers/net/wireless/ath/ath9k/common-debug.c
  13 @@ -260,3 +260,58 @@ void ath9k_cmn_debug_phy_err(struct dent
  14                             &fops_phy_err);
  15  }
  16  EXPORT_SYMBOL(ath9k_cmn_debug_phy_err);
  17 +
  18 +static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
  19 +                            size_t count, loff_t *ppos)
  20 +{
  21 +       struct ath_hw *ah = file->private_data;
  22 +       struct ath_common *common = ath9k_hw_common(ah);
  23 +       int bytes = 0;
  24 +       int pos = *ppos;
  25 +       int size = 4096;
  26 +       u16 val;
  27 +       int i;
  28 +
  29 +       if (AR_SREV_9300_20_OR_LATER(ah))
  30 +               size = 16384;
  31 +
  32 +       if (*ppos < 0)
  33 +               return -EINVAL;
  34 +
  35 +       if (count > size - *ppos)
  36 +               count = size - *ppos;
  37 +
  38 +       for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) {
  39 +               void *from = &val;
  40 +
  41 +               if (!common->bus_ops->eeprom_read(common, i, &val))
  42 +                       val = 0xffff;
  43 +
  44 +               if (*ppos % 2) {
  45 +                       from++;
  46 +                       bytes = 1;
  47 +               } else if (count == 1) {
  48 +                       bytes = 1;
  49 +               } else {
  50 +                       bytes = 2;
  51 +               }
  52 +               if (copy_to_user(user_buf, from, bytes))
  53 +                       return -EFAULT;
  54 +               user_buf += bytes;
  55 +       }
  56 +       return *ppos - pos;
  57 +}
  58 +
  59 +static const struct file_operations fops_eeprom = {
  60 +       .read = read_file_eeprom,
  61 +       .open = simple_open,
  62 +       .owner = THIS_MODULE
  63 +};
  64 +
  65 +void ath9k_cmn_debug_eeprom(struct dentry *debugfs_phy,
  66 +                           struct ath_hw *ah)
  67 +{
  68 +       debugfs_create_file("eeprom", S_IRUSR, debugfs_phy, ah,
  69 +                           &fops_eeprom);
  70 +}
  71 +EXPORT_SYMBOL(ath9k_cmn_debug_eeprom);
  72 --- a/drivers/net/wireless/ath/ath9k/common-debug.h
  73 +++ b/drivers/net/wireless/ath/ath9k/common-debug.h
  74 @@ -69,6 +69,8 @@ void ath9k_cmn_debug_modal_eeprom(struct
  75                                   struct ath_hw *ah);
  76  void ath9k_cmn_debug_base_eeprom(struct dentry *debugfs_phy,
  77                                  struct ath_hw *ah);
  78 +void ath9k_cmn_debug_eeprom(struct dentry *debugfs_phy,
  79 +                           struct ath_hw *ah);
  80  void ath9k_cmn_debug_stat_rx(struct ath_rx_stats *rxstats,
  81                              struct ath_rx_status *rs);
  82  void ath9k_cmn_debug_recv(struct dentry *debugfs_phy,
  83 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
  84 +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
  85 @@ -519,6 +519,7 @@ int ath9k_htc_init_debug(struct ath_hw *
  86
  87         ath9k_cmn_debug_base_eeprom(priv->debug.debugfs_phy, priv->ah);
  88         ath9k_cmn_debug_modal_eeprom(priv->debug.debugfs_phy, priv->ah);
  89 +       ath9k_cmn_debug_eeprom(priv->debug.debugfs_phy, priv->ah);
  90
  91         return 0;
  92  }