diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-05 10:12:53 +0000 |
---|---|---|
committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-10-05 10:12:53 +0000 |
commit | 5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch) | |
tree | 1229a11f725bfa58aa7c57a76898553bb5f6654a /package/mac80211/patches/500-ath9k_eeprom_debugfs.patch | |
download | openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip |
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/500-ath9k_eeprom_debugfs.patch')
-rw-r--r-- | package/mac80211/patches/500-ath9k_eeprom_debugfs.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch b/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch new file mode 100644 index 000000000..11272b96e --- /dev/null +++ b/package/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 +@@ -1532,6 +1532,53 @@ static const struct file_operations fops + + #endif + ++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); +@@ -1603,5 +1650,8 @@ int ath9k_init_debug(struct ath_hw *ah) + debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); + ++ debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, ++ &fops_eeprom); ++ + return 0; + } |