ath5k: Read and write the TSF via debugfs
This patch updates the ath5k specific entry in the debugfs to read and reset the TSF value, to allowing write it, too. This makes debugging the IBSS handling of wifi drivers _much_ easier.
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/pcu.c b/drivers/net/wireless/ath5k/pcu.c
index 86f53a5..f8a4a69 100644
--- a/drivers/net/wireless/ath5k/pcu.c
+++ b/drivers/net/wireless/ath5k/pcu.c
@@ -646,6 +646,23 @@
}
/**
+ * ath5k_hw_set_tsf64 - Set a new 64bit TSF
+ *
+ * @ah: The &struct ath5k_hw
+ * @tsf64: The new 64bit TSF
+ *
+ * Sets the new TSF
+ */
+void ath5k_hw_set_tsf64(struct ath5k_hw *ah, u64 tsf64)
+{
+ ATH5K_TRACE(ah->ah_sc);
+
+ ath5k_hw_reg_write(ah, 0x00000000, AR5K_TSF_L32);
+ ath5k_hw_reg_write(ah, (tsf64 >> 32) & 0xffffffff, AR5K_TSF_U32);
+ ath5k_hw_reg_write(ah, tsf64 & 0xffffffff, AR5K_TSF_L32);
+}
+
+/**
* ath5k_hw_reset_tsf - Force a TSF reset
*
* @ah: The &struct ath5k_hw