ath10k: move cycle_count macro

The macro isn't WMI specific. Instead it is
related to hardware chip so move the macro
accordingly. While at it document the magic value.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/ath10k/hw.h

@@ -449,6 +449,9 @@ enum ath10k_hw_rate_cck {
 #define SCRATCH_3_ADDRESS			ar->regs->scratch_3_address
 #define CPU_INTR_ADDRESS			0x0010
 
+/* Cycle counters are running at 88MHz */
+#define CCNT_TO_MSEC(x) ((x) / 88000)
+
 /* Firmware indications to the Host via SCRATCH_3 register. */
 #define FW_INDICATOR_ADDRESS	(SOC_CORE_BASE_ADDRESS + SCRATCH_3_ADDRESS)
 #define FW_IND_EVENT_PENDING			1

drivers/net/wireless/ath/ath10k/wmi.c

@@ -1644,8 +1644,8 @@ void ath10k_wmi_event_chan_info(struct ath10k *ar, struct sk_buff *skb)
 		rx_clear_count -= ar->survey_last_rx_clear_count;
 
 		survey = &ar->survey[idx];
-		survey->time = WMI_CHAN_INFO_MSEC(cycle_count);
-		survey->time_busy = WMI_CHAN_INFO_MSEC(rx_clear_count);
+		survey->time = CCNT_TO_MSEC(cycle_count);
+		survey->time_busy = CCNT_TO_MSEC(rx_clear_count);
 		survey->noise = noise_floor;
 		survey->filled = SURVEY_INFO_TIME |
 				 SURVEY_INFO_TIME_BUSY |

drivers/net/wireless/ath/ath10k/wmi.h

@@ -4665,7 +4665,6 @@ struct wmi_peer_sta_kickout_event {
 } __packed;
 
 #define WMI_CHAN_INFO_FLAG_COMPLETE BIT(0)
-#define WMI_CHAN_INFO_MSEC(x) ((x) / 88000)
 
 /* Beacon filter wmi command info */
 #define BCN_FLT_MAX_SUPPORTED_IES	256