aboutsummaryrefslogtreecommitdiffstats
path: root/package/mac80211/patches/300-ath9k_gpio_settings.patch
blob: 56bf8ceee6e50935b81cdcec36b57d1a3a41da3b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -927,6 +927,12 @@ int ath9k_init_debug(struct ath_hw *ah)
 			sc->debug.debugfs_phy, &ah->config.cwm_ignore_extcca))
 		goto err;
 
+	debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
+			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
+
+	debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
+			   sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
+
 	sc->debug.regidx = 0;
 	return 0;
 err:
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -795,6 +795,8 @@ struct ath_hw {
 	int initPDADC;
 	int PDADCdelta;
 	u8 led_pin;
+	u32 gpio_mask;
+	u32 gpio_val;
 
 	struct ar5416IniArray iniModes;
 	struct ar5416IniArray iniCommon;
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1171,6 +1171,20 @@ static bool ath9k_hw_channel_change(stru
 	return true;
 }
 
+static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
+{
+	u32 gpio_mask = ah->gpio_mask;
+	int i;
+
+	for (i = 0; gpio_mask; i++, gpio_mask >>= 1) {
+		if (!(gpio_mask & 1))
+			continue;
+
+		ath9k_hw_cfg_output(ah, i, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
+		ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i)));
+	}
+}
+
 bool ath9k_hw_check_alive(struct ath_hw *ah)
 {
 	int count = 50;
@@ -1457,6 +1471,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st
 	if (AR_SREV_9300_20_OR_LATER(ah))
 		ar9003_hw_bb_watchdog_config(ah);
 
+	ath9k_hw_apply_gpio_override(ah);
+
 	return 0;
 }
 EXPORT_SYMBOL(ath9k_hw_reset);