1e5b7c17b0
Based on patch by Bryan Forbes <bryan@reigndropsfall.net> Also update mt76 to update for API changes Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 44655
65 lines
1.7 KiB
Diff
65 lines
1.7 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
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+++ b/drivers/net/wireless/ath/ath9k/debug.c
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@@ -1299,6 +1299,53 @@ void ath9k_deinit_debug(struct ath_softc
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ath9k_cmn_spectral_deinit_debug(&sc->spec_priv);
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}
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+static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_hw *ah = sc->sc_ah;
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+ struct ath_common *common = ath9k_hw_common(ah);
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+ int bytes = 0;
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+ int pos = *ppos;
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+ int size = 4096;
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+ u16 val;
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+ int i;
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+
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+ if (AR_SREV_9300_20_OR_LATER(ah))
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+ size = 16384;
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+
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+ if (*ppos < 0)
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+ return -EINVAL;
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+
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+ if (count > size - *ppos)
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+ count = size - *ppos;
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+
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+ for (i = *ppos / 2; count > 0; count -= bytes, *ppos += bytes, i++) {
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+ void *from = &val;
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+
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+ if (!common->bus_ops->eeprom_read(common, i, &val))
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+ val = 0xffff;
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+
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+ if (*ppos % 2) {
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+ from++;
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+ bytes = 1;
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+ } else if (count == 1) {
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+ bytes = 1;
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+ } else {
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+ bytes = 2;
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+ }
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+ copy_to_user(user_buf, from, bytes);
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+ user_buf += bytes;
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+ }
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+ return *ppos - pos;
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+}
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+
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+static const struct file_operations fops_eeprom = {
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+ .read = read_file_eeprom,
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+ .open = simple_open,
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+ .owner = THIS_MODULE
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+};
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+
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int ath9k_init_debug(struct ath_hw *ah)
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{
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struct ath_common *common = ath9k_hw_common(ah);
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@@ -1318,6 +1365,8 @@ int ath9k_init_debug(struct ath_hw *ah)
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ath9k_tx99_init_debug(sc);
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ath9k_cmn_spectral_init_debug(&sc->spec_priv, sc->debug.debugfs_phy);
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+ debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
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+ &fops_eeprom);
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debugfs_create_devm_seqfile(sc->dev, "dma", sc->debug.debugfs_phy,
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read_file_dma);
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debugfs_create_devm_seqfile(sc->dev, "interrupt", sc->debug.debugfs_phy,
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