diff options
Diffstat (limited to 'package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch')
-rw-r--r-- | package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch b/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch new file mode 100644 index 0000000000..7f4e68d5ea --- /dev/null +++ b/package/kernel/mac80211/patches/500-ath9k_eeprom_debugfs.patch @@ -0,0 +1,65 @@ +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -1735,6 +1735,53 @@ void ath9k_deinit_debug(struct ath_softc + } + } + ++static ssize_t read_file_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; ++ 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; ++ } ++ copy_to_user(user_buf, from, bytes); ++ user_buf += bytes; ++ } ++ return *ppos - pos; ++} ++ ++static const struct file_operations fops_eeprom = { ++ .read = read_file_eeprom, ++ .open = simple_open, ++ .owner = THIS_MODULE ++}; ++ + int ath9k_init_debug(struct ath_hw *ah) + { + struct ath_common *common = ath9k_hw_common(ah); +@@ -1752,6 +1799,8 @@ int ath9k_init_debug(struct ath_hw *ah) + + ath9k_dfs_init_debug(sc); + ++ debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, ++ &fops_eeprom); + debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_dma); + debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc, |