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- --- a/drivers/net/wireless/ath/ath9k/debug.c
- +++ b/drivers/net/wireless/ath/ath9k/debug.c
- @@ -1315,6 +1315,53 @@ void ath9k_deinit_debug(struct ath_softc
- ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
- }
-
- +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);
- @@ -1334,6 +1381,8 @@ int ath9k_init_debug(struct ath_hw *ah)
- ath9k_tx99_init_debug(sc);
- ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
-
- + debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
- + &fops_eeprom);
- debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
- read_file_dma);
- debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
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