129 lines
3.5 KiB
Diff
129 lines
3.5 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.c
|
|
@@ -774,6 +774,86 @@ static const struct file_operations fops
|
|
.owner = THIS_MODULE
|
|
};
|
|
|
|
+static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ char buf[32];
|
|
+ unsigned int len;
|
|
+
|
|
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.regidx);
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
+}
|
|
+
|
|
+static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ unsigned long regidx;
|
|
+ char buf[32];
|
|
+ ssize_t len;
|
|
+
|
|
+ len = min(count, sizeof(buf) - 1);
|
|
+ if (copy_from_user(buf, user_buf, len))
|
|
+ return -EINVAL;
|
|
+
|
|
+ buf[len] = '\0';
|
|
+ if (strict_strtoul(buf, 0, ®idx))
|
|
+ return -EINVAL;
|
|
+
|
|
+ sc->debug.regidx = regidx;
|
|
+ return count;
|
|
+}
|
|
+
|
|
+static const struct file_operations fops_regidx = {
|
|
+ .read = read_file_regidx,
|
|
+ .write = write_file_regidx,
|
|
+ .open = ath9k_debugfs_open,
|
|
+ .owner = THIS_MODULE
|
|
+};
|
|
+
|
|
+static ssize_t read_file_regval(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;
|
|
+ char buf[32];
|
|
+ unsigned int len;
|
|
+ u32 regval;
|
|
+
|
|
+ regval = REG_READ_D(ah, sc->debug.regidx);
|
|
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", regval);
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
+}
|
|
+
|
|
+static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_hw *ah = sc->sc_ah;
|
|
+ unsigned long regval;
|
|
+ char buf[32];
|
|
+ ssize_t len;
|
|
+
|
|
+ len = min(count, sizeof(buf) - 1);
|
|
+ if (copy_from_user(buf, user_buf, len))
|
|
+ return -EINVAL;
|
|
+
|
|
+ buf[len] = '\0';
|
|
+ if (strict_strtoul(buf, 0, ®val))
|
|
+ return -EINVAL;
|
|
+
|
|
+ REG_WRITE_D(ah, sc->debug.regidx, regval);
|
|
+ return count;
|
|
+}
|
|
+
|
|
+static const struct file_operations fops_regval = {
|
|
+ .read = read_file_regval,
|
|
+ .write = write_file_regval,
|
|
+ .open = ath9k_debugfs_open,
|
|
+ .owner = THIS_MODULE
|
|
+};
|
|
+
|
|
int ath9k_init_debug(struct ath_hw *ah)
|
|
{
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
@@ -843,6 +923,17 @@ int ath9k_init_debug(struct ath_hw *ah)
|
|
if (!sc->debug.debugfs_recv)
|
|
goto err;
|
|
|
|
+ sc->debug.regidx = 0;
|
|
+ sc->debug.debugfs_regidx = debugfs_create_file("regidx",
|
|
+ S_IRUSR|S_IWUSR, sc->debug.debugfs_phy, sc, &fops_regidx);
|
|
+ if (!sc->debug.debugfs_regidx)
|
|
+ goto err;
|
|
+
|
|
+ sc->debug.debugfs_regval = debugfs_create_file("regval",
|
|
+ S_IRUSR|S_IWUSR, sc->debug.debugfs_phy, sc, &fops_regval);
|
|
+ if (!sc->debug.debugfs_regval)
|
|
+ goto err;
|
|
+
|
|
return 0;
|
|
err:
|
|
ath9k_exit_debug(ah);
|
|
@@ -856,6 +947,8 @@ void ath9k_exit_debug(struct ath_hw *ah)
|
|
|
|
debugfs_remove(sc->debug.debugfs_tx_chainmask);
|
|
debugfs_remove(sc->debug.debugfs_rx_chainmask);
|
|
+ debugfs_remove(sc->debug.debugfs_regval);
|
|
+ debugfs_remove(sc->debug.debugfs_regidx);
|
|
debugfs_remove(sc->debug.debugfs_recv);
|
|
debugfs_remove(sc->debug.debugfs_xmit);
|
|
debugfs_remove(sc->debug.debugfs_wiphy);
|
|
--- a/drivers/net/wireless/ath/ath9k/debug.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.h
|
|
@@ -158,6 +158,9 @@ struct ath9k_debug {
|
|
struct dentry *debugfs_wiphy;
|
|
struct dentry *debugfs_xmit;
|
|
struct dentry *debugfs_recv;
|
|
+ struct dentry *debugfs_regidx;
|
|
+ struct dentry *debugfs_regval;
|
|
+ u32 regidx;
|
|
struct ath_stats stats;
|
|
};
|
|
|