mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-28 00:24:58 +02:00
f0ce8c9691
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32760 3c298f89-4303-0410-b956-a3cf2f4a3e73
66 lines
1.5 KiB
Diff
66 lines
1.5 KiB
Diff
--- 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;
|
|
}
|