mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-22 16:15:10 +02:00
68 lines
1.5 KiB
Diff
68 lines
1.5 KiB
Diff
|
--- a/drivers/net/wireless/ath/ath9k/debug.c
|
||
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.c
|
||
|
|
@@ -897,6 +897,53 @@ static const struct file_operations fops
|
||
|
|
.owner = THIS_MODULE
|
||
|
|
};
|
||
|
|
|
||
|
|
+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 = ath9k_debugfs_open,
|
||
|
|
+ .owner = THIS_MODULE
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
int ath9k_init_debug(struct ath_hw *ah)
|
||
|
|
{
|
||
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
||
|
|
@@ -960,6 +1007,10 @@ int ath9k_init_debug(struct ath_hw *ah)
|
||
|
|
sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
+ if (!debugfs_create_file("eeprom", S_IRUSR,
|
||
|
|
+ sc->debug.debugfs_phy, sc, &fops_eeprom))
|
||
|
|
+ goto err;
|
||
|
|
+
|
||
|
|
sc->debug.regidx = 0;
|
||
|
|
return 0;
|
||
|
|
err:
|