carl9170 firmware: investigate 80/88MHz clock freezes

[carl9170fw.git] / carlfw / src / rf.c

diff --git a/carlfw/src/rf.c b/carlfw/src/rf.c
index 8deafb50cb167fbbe54845bbc7a583b27f0a92e5..5448abfe32bc5842aa6c30b84b2bd68c768962b0 100644 (file)
--- a/carlfw/src/rf.c
+++ b/carlfw/src/rf.c
@@ -29,32 +29,6 @@
 #include "rf.h"
 #include "shared/phy.h"
 
-void tally_update(void)
-{
-       unsigned int time;
-
-#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
-       unsigned int main_not_free, ext_not_free;
-
-       main_not_free = get(AR9170_MAC_REG_CHANNEL_BUSY);
-       ext_not_free = get(AR9170_MAC_REG_EXT_BUSY);
-       time = get_clock_counter();
-
-       if (fw.phy.state == CARL9170_PHY_ON) {
-               unsigned int us_delta = (time - fw.tally_clock) / max(fw.ticks_per_usec, 40u);
-
-               fw.tally.active += us_delta;
-               fw.tally.main_free += main_not_free;
-               fw.tally.ext_free += ext_not_free;
-       }
-#else
-       time = get_clock_counter();
-
-#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */
-
-       fw.tally_clock = time;
-}
-
 #ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS
 static void set_channel_end(void)
 {
@@ -64,16 +38,11 @@ static void set_channel_end(void)
        andl(AR9170_MAC_REG_QOS_PRIORITY_VIRTUAL_CCA,
             ~AR9170_MAC_VIRTUAL_CCA_ALL);
 
-       /* clear statistics */
-       tally_update();
-
        fw.phy.state = CARL9170_PHY_ON;
 }
 
 void rf_notify_set_channel(void)
 {
-       tally_update();
-
        /* Manipulate CCA threshold to stop transmission */
        set(AR9170_PHY_REG_CCA_THRESHOLD, 0x300);
        /* Enable Virtual CCA */
@@ -82,8 +51,8 @@ void rf_notify_set_channel(void)
 
        /* reset CCA stats */
        fw.tally.active = 0;
-       fw.tally.main_free = 0;
-       fw.tally.ext_free = 0;
+       fw.tally.cca = 0;
+       fw.tally.tx_time = 0;
        fw.phy.state = CARL9170_PHY_OFF;
 }
 
@@ -236,10 +205,14 @@ void rf_cmd(const struct carl9170_cmd *cmd, struct carl9170_rsp *resp)
        /*
         * Is the clock controlled by the PHY?
         */
+#ifdef CONFIG_CARL9170FW_80MHZ_CLOCK
        if ((fw.phy.ht_settings & EIGHTY_FLAG) == EIGHTY_FLAG)
                clock_set(AHB_80_88MHZ, true);
        else
                clock_set(AHB_40_44MHZ, true);
+#else
+       clock_set(AHB_40_44MHZ, true);
+#endif
 
        ret = rf_init(le32_to_cpu(cmd->rf_init.delta_slope_coeff_exp),
                      le32_to_cpu(cmd->rf_init.delta_slope_coeff_man),
@@ -276,7 +249,6 @@ void rf_psm(void)
                /* Synthesizer off + RX off */
                bank3 = 0x00400018;
 
-               tally_update();
                fw.phy.state = CARL9170_PHY_OFF;
        } else {
                /* advance to the next PSM step */
@@ -294,7 +266,6 @@ void rf_psm(void)
                        /* Synthesizer on + RX on */
                        bank3 = 0x01420098;
 
-                       tally_update();
                        fw.phy.state = CARL9170_PHY_ON;
                } else {
                        return ;