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path: root/target/linux/ipq806x/patches-4.4/023-ARM-dts-ipq806x-Disable-i2c-device-on-gsbi4.patch
blob: b8c527b6aee1051a7c3c861ac141918c90f165c9 (plain)
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--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -47,14 +47,12 @@
 				status = "ok";
 			};
 
-			i2c4: i2c@16380000 {
-				status = "ok";
-
-				clock-frequency = <200000>;
-
-				pinctrl-0 = <&i2c4_pins>;
-				pinctrl-names = "default";
-			};
+			/*
+			* The i2c device on gsbi4 should not be enabled.
+			* On ipq806x designs gsbi4 i2c is meant for exclusive
+			* RPM usage. Turning this on in kernel manifests as
+			* i2c failure for the RPM.
+			*/
 		};
 
 		gsbi5: gsbi@1a200000 {
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -294,7 +294,7 @@
 			.parent_names = gcc_pxo_pll8,
 			.num_parents = 2,
 			.ops = &clk_rcg_ops,
-			.flags = CLK_SET_PARENT_GATE,
+			.flags = CLK_SET_PARENT_GATE | CLK_IGNORE_UNUSED,
 		},
 	},
 };
@@ -312,7 +312,7 @@
 			},
 			.num_parents = 1,
 			.ops = &clk_branch_ops,
-			.flags = CLK_SET_RATE_PARENT,
+			.flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED,
 		},
 	},
 };
@@ -890,7 +890,7 @@
 		.hw.init = &(struct clk_init_data){
 			.name = "gsbi1_h_clk",
 			.ops = &clk_branch_ops,
-			.flags = CLK_IS_ROOT,
+			.flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED,
 		},
 	},
 };
color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -2335,13 +2335,13 @@ int prism2_ap_get_sta_qual(local_info_t
 		addr[count].sa_family = ARPHRD_ETHER;
 		memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
 		if (sta->last_rx_silence == 0)
-			qual[count].qual = sta->last_rx_signal < 27 ?
-				0 : (sta->last_rx_signal - 27) * 92 / 127;
+                        qual[count].qual = (sta->last_rx_signal - 156) == 0 ?
+                                0 : (sta->last_rx_signal - 156) * 92 / 64;
 		else
-			qual[count].qual = sta->last_rx_signal -
-				sta->last_rx_silence - 35;
-		qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
-		qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
+                        qual[count].qual = (sta->last_rx_signal -
+                                sta->last_rx_silence) * 92 / 64;
+                qual[count].level = sta->last_rx_signal;
+                qual[count].noise = sta->last_rx_silence;
 		qual[count].updated = sta->last_rx_updated;
 
 		sta->last_rx_updated = IW_QUAL_DBM;
@@ -2407,13 +2407,13 @@ int prism2_ap_translate_scan(struct net_
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = IWEVQUAL;
 		if (sta->last_rx_silence == 0)
-			iwe.u.qual.qual = sta->last_rx_signal < 27 ?
-				0 : (sta->last_rx_signal - 27) * 92 / 127;
+	                iwe.u.qual.qual = (sta->last_rx_signal -156) == 0 ?
+	                        0 : (sta->last_rx_signal - 156) * 92 / 64;
 		else
-			iwe.u.qual.qual = sta->last_rx_signal -
-				sta->last_rx_silence - 35;
-		iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
-		iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
+                        iwe.u.qual.qual = (sta->last_rx_signal -
+                                sta->last_rx_silence) * 92 / 64;
+                iwe.u.qual.level = sta->last_rx_signal;
+                iwe.u.qual.noise = sta->last_rx_silence;
 		iwe.u.qual.updated = sta->last_rx_updated;
 		iwe.len = IW_EV_QUAL_LEN;
 		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
--- a/drivers/net/wireless/hostap/hostap_config.h
+++ b/drivers/net/wireless/hostap/hostap_config.h
@@ -45,4 +45,9 @@
  */
 /* #define PRISM2_NO_STATION_MODES */
 
+/* Enable TX power Setting functions
+ * (min att = -128 , max att =  127)
+ */
+#define RAW_TXPOWER_SETTING
+
 #endif /* HOSTAP_CONFIG_H */
--- a/drivers/net/wireless/hostap/hostap.h
+++ b/drivers/net/wireless/hostap/hostap.h
@@ -90,6 +90,7 @@ extern const struct iw_handler_def hosta
 extern const struct ethtool_ops prism2_ethtool_ops;
 
 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+int hostap_restore_power(struct net_device *dev);
 
 
 #endif /* HOSTAP_H */
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -932,6 +932,7 @@ static int hfa384x_set_rid(struct net_de
 			prism2_hw_reset(dev);
 	}
 
+	hostap_restore_power(dev);
 	return res;
 }
 
--- a/drivers/net/wireless/hostap/hostap_info.c
+++ b/drivers/net/wireless/hostap/hostap_info.c
@@ -432,6 +432,11 @@ static void handle_info_queue_linkstatus
 	}
 
 	/* Get BSSID if we have a valid AP address */
+
+	if ( val == HFA384X_LINKSTATUS_CONNECTED ||
+	     val == HFA384X_LINKSTATUS_DISCONNECTED )
+			hostap_restore_power(local->dev);
+
 	if (connected) {
 		netif_carrier_on(local->dev);
 		netif_carrier_on(local->ddev);
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -1476,23 +1476,20 @@ static int prism2_txpower_hfa386x_to_dBm
 		val = 255;
 
 	tmp = val;
-	tmp >>= 2;
 
-	return -12 - tmp;
+	return tmp;
 }
 
 static u16 prism2_txpower_dBm_to_hfa386x(int val)
 {
 	signed char tmp;
 
-	if (val > 20)
-		return 128;
-	else if (val < -43)
+	if (val > 127)
 		return 127;
+	else if (val < -128)
+		return 128;
 
 	tmp = val;
-	tmp = -12 - tmp;
-	tmp <<= 2;
 
 	return (unsigned char) tmp;
 }
@@ -4056,3 +4053,35 @@ int hostap_ioctl(struct net_device *dev,
 
 	return ret;
 }
+
+/* BUG FIX: Restore power setting value when lost due to F/W bug */
+
+int hostap_restore_power(struct net_device *dev)
+{
+        struct hostap_interface *iface = netdev_priv(dev);
+       local_info_t *local = iface->local;
+
+       u16 val;
+       int ret = 0;
+
+       if (local->txpower_type == PRISM2_TXPOWER_OFF) {
+                       val = 0xff; /* use all standby and sleep modes */
+                       ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
+                                              HFA386X_CR_A_D_TEST_MODES2,
+                                              &val, NULL);
+       }
+
+#ifdef RAW_TXPOWER_SETTING
+       if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
+               val = HFA384X_TEST_CFG_BIT_ALC;
+               local->func->cmd(dev, HFA384X_CMDCODE_TEST |
+                                (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
+               val = prism2_txpower_dBm_to_hfa386x(local->txpower);
+               ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
+                            HFA386X_CR_MANUAL_TX_POWER, &val, NULL));
+       }
+#endif /* RAW_TXPOWER_SETTING */
+       return (ret ? -EOPNOTSUPP : 0);
+}
+
+EXPORT_SYMBOL(hostap_restore_power);