OpenWrt – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | --- a/drivers/net/wireless/ath/ath9k/debug.c |
| 2 | +++ b/drivers/net/wireless/ath/ath9k/debug.c |
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| 3 | @@ -1374,6 +1374,53 @@ void ath9k_deinit_debug(struct ath_softc |
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| 4 | ath9k_cmn_spectral_deinit_debug(&sc->spec_priv); |
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| 5 | } |
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| 6 | |||
| 7 | +static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, |
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| 8 | + size_t count, loff_t *ppos) |
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| 9 | +{ |
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| 10 | + struct ath_softc *sc = file->private_data; |
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| 11 | + struct ath_hw *ah = sc->sc_ah; |
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| 12 | + struct ath_common *common = ath9k_hw_common(ah); |
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| 13 | + int bytes = 0; |
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| 14 | + int pos = *ppos; |
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| 15 | + int size = 4096; |
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| 16 | + u16 val; |
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| 17 | + int i; |
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| 18 | + |
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| 19 | + if (AR_SREV_9300_20_OR_LATER(ah)) |
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| 20 | + size = 16384; |
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| 21 | + |
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| 22 | + if (*ppos < 0) |
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| 23 | + return -EINVAL; |
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| 24 | + |
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| 25 | + if (count > size - *ppos) |
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| 26 | + count = size - *ppos; |
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| 27 | + |
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| 28 | + for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) { |
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| 29 | + void *from = &val; |
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| 30 | + |
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| 31 | + if (!common->bus_ops->eeprom_read(common, i, &val)) |
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| 32 | + val = 0xffff; |
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| 33 | + |
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| 34 | + if (*ppos % 2) { |
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| 35 | + from++; |
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| 36 | + bytes = 1; |
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| 37 | + } else if (count == 1) { |
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| 38 | + bytes = 1; |
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| 39 | + } else { |
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| 40 | + bytes = 2; |
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| 41 | + } |
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| 42 | + copy_to_user(user_buf, from, bytes); |
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| 43 | + user_buf += bytes; |
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| 44 | + } |
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| 45 | + return *ppos - pos; |
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| 46 | +} |
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| 47 | + |
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| 48 | +static const struct file_operations fops_eeprom = { |
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| 49 | + .read = read_file_eeprom, |
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| 50 | + .open = simple_open, |
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| 51 | + .owner = THIS_MODULE |
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| 52 | +}; |
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| 53 | + |
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| 54 | int ath9k_init_debug(struct ath_hw *ah) |
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| 55 | { |
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| 56 | struct ath_common *common = ath9k_hw_common(ah); |
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| 57 | @@ -1393,6 +1440,8 @@ int ath9k_init_debug(struct ath_hw *ah) |
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| 58 | ath9k_tx99_init_debug(sc); |
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| 59 | ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy); |
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| 60 | |||
| 61 | + debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, |
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| 62 | + &fops_eeprom); |
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| 63 | debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy, |
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| 64 | read_file_dma); |
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| 65 | debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy, |