AA: mac80211: backport package from trunk r39886

[12.09/openwrt.git] / package / mac80211 / patches / 553-ath9k_debugfs_diag.patch

diff --git a/package/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/mac80211/patches/553-ath9k_debugfs_diag.patch
deleted file mode 100644 (file)
index 7230d32..0000000
--- a/package/mac80211/patches/553-ath9k_debugfs_diag.patch
+++ /dev/null
@@ -1,139 +0,0 @@
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -1881,6 +1881,50 @@ static const struct file_operations fops
- #endif
- 
- 
-+static ssize_t read_file_diag(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;
-+
-+      len = sprintf(buf, "0x%08lx\n", ah->diag);
-+      return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-+}
-+
-+static ssize_t write_file_diag(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 diag;
-+      char buf[32];
-+      ssize_t len;
-+
-+      len = min(count, sizeof(buf) - 1);
-+      if (copy_from_user(buf, user_buf, len))
-+              return -EFAULT;
-+
-+      buf[len] = '\0';
-+      if (kstrtoul(buf, 0, &diag))
-+              return -EINVAL;
-+
-+      ah->diag = diag;
-+      ath9k_hw_update_diag(ah);
-+
-+      return count;
-+}
-+
-+static const struct file_operations fops_diag = {
-+      .read = read_file_diag,
-+      .write = write_file_diag,
-+      .open = simple_open,
-+      .owner = THIS_MODULE,
-+      .llseek = default_llseek,
-+};
-+
-+
- int ath9k_init_debug(struct ath_hw *ah)
- {
-       struct ath_common *common = ath9k_hw_common(ah);
-@@ -1906,6 +1950,8 @@ int ath9k_init_debug(struct ath_hw *ah)
-       debugfs_create_file("gpio_led", S_IWUSR,
-                          sc->debug.debugfs_phy, sc, &fops_gpio_led);
- #endif
-+      debugfs_create_file("diag", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
-+                          sc, &fops_diag);
-       debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
-                           &fops_dma);
-       debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -499,6 +499,12 @@ enum {
-       ATH9K_RESET_COLD,
- };
- 
-+enum {
-+      ATH_DIAG_DISABLE_RX,
-+      ATH_DIAG_DISABLE_TX,
-+      ATH_DIAG_TRIGGER_ERROR,
-+};
-+
- struct ath9k_hw_version {
-       u32 magic;
-       u16 devid;
-@@ -777,6 +783,8 @@ struct ath_hw {
-       u32 rfkill_polarity;
-       u32 ah_flags;
- 
-+      unsigned long diag;
-+
-       bool reset_power_on;
-       bool htc_reset_init;
- 
-@@ -1027,6 +1035,7 @@ void ath9k_hw_set_sta_beacon_timers(stru
- bool ath9k_hw_check_alive(struct ath_hw *ah);
- 
- bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
-+void ath9k_hw_update_diag(struct ath_hw *ah);
- 
- #ifdef CPTCFG_ATH9K_DEBUGFS
- void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1853,6 +1853,20 @@ fail:
-       return -EINVAL;
- }
- 
-+void ath9k_hw_update_diag(struct ath_hw *ah)
-+{
-+      if (test_bit(ATH_DIAG_DISABLE_RX, &ah->diag))
-+              REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
-+      else
-+              REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
-+
-+      if (test_bit(ATH_DIAG_DISABLE_TX, &ah->diag))
-+              REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
-+      else
-+              REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_LOOP_BACK);
-+}
-+EXPORT_SYMBOL(ath9k_hw_update_diag);
-+
- int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
-                  struct ath9k_hw_cal_data *caldata, bool fastcc)
- {
-@@ -2055,6 +2069,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
-       }
- 
-       ath9k_hw_apply_gpio_override(ah);
-+      ath9k_hw_update_diag(ah);
- 
-       if (AR_SREV_9565(ah) && ah->shared_chain_lnadiv)
-               REG_SET_BIT(ah, AR_BTCOEX_WL_LNADIV, AR_BTCOEX_WL_LNADIV_FORCE_ON);
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -472,6 +472,11 @@ irqreturn_t ath_isr(int irq, void *dev)
-       ath9k_hw_getisr(ah, &status);   /* NB: clears ISR too */
-       status &= ah->imask;    /* discard unasked-for bits */
- 
-+      if (test_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag)) {
-+              status |= ATH9K_INT_FATAL;
-+              clear_bit(ATH_DIAG_TRIGGER_ERROR, &ah->diag);
-+      }
-+
-       /*
-        * If there are no status bits set, then this interrupt was not
-        * for me (should have been caught above).