Merge "wcnss: remove the wcn external gpio configuration support"

Documentation/devicetree/bindings/wcnss/wcnss-wlan.txt

@@ -66,8 +66,6 @@ to use for VBATT feature.
 register is available or not.
 - qcom,wcn-external-gpio-support: boolean flag to determine 3.3v gpio support
 for pronto hardware for a target.
-- qcom,wcn-external-gpio: The wcnss wlan module 3.3v external GPIO for
-the pronto hardware.
 
 Example:
 
@@ -89,7 +87,6 @@ Example:
 
         gpios = <&msmgpio 36 0>, <&msmgpio 37 0>, <&msmgpio 38 0>,
                 <&msmgpio 39 0>, <&msmgpio 40 0>;
-        qcom,wcn-external-gpio = <&msmgpio 64 0>;
         qcom,wcn-external-gpio-support;
         qcom,has-48mhz-xo;
         qcom,is-pronto-vt;

drivers/net/wireless/wcnss/wcnss_vreg.c

@@ -101,45 +101,6 @@ enum {
 	IRIS_3610
 };
 
-static int wcnss_external_gpio_set_state(bool state)
-{
-	int ret;
-	struct wcnss_wlan_config *cfg = wcnss_get_wlan_config();
-
-	if (!cfg)
-		return -EINVAL;
-
-	if (state) {
-		ret = gpio_request(cfg->wcn_external_gpio,
-				   WCNSS_EXTERNAL_GPIO_NAME);
-		if (ret) {
-			pr_err("%s: Can't get GPIO %s, ret = %d\n",
-			       __func__, WCNSS_EXTERNAL_GPIO_NAME, ret);
-			return ret;
-		}
-
-		ret = gpio_direction_output(cfg->wcn_external_gpio,
-					    WCNSS_EXTERNAL_GPIO_DIR_OUT);
-		if (ret) {
-			pr_err("%s: Can't set GPIO %s direction, ret = %d\n",
-			       __func__, WCNSS_EXTERNAL_GPIO_NAME, ret);
-			gpio_free(cfg->wcn_external_gpio);
-			return ret;
-		}
-
-		gpio_set_value(cfg->wcn_external_gpio,
-			       WCNSS_EXTERNAL_GPIO_HIGH);
-	} else {
-		gpio_set_value(cfg->wcn_external_gpio, WCNSS_EXTERNAL_GPIO_LOW);
-		gpio_free(cfg->wcn_external_gpio);
-	}
-
-	pr_debug("%s: %d gpio is now %s\n", __func__,
-		 cfg->wcn_external_gpio,
-		 state ? "enabled" : "disabled");
-
-	return 0;
-}
 
 int xo_auto_detect(u32 reg)
 {
@@ -457,8 +418,7 @@ static void wcnss_vregs_off(struct vregs_info regulators[], uint size,
 			continue;
 
 		if (cfg->wcn_external_gpio_support) {
-			if (!memcmp(regulators[i].name, VDD_PA,
-				    sizeof(VDD_PA)))
+			if (!memcmp(regulators[i].name, VDD_PA, sizeof(VDD_PA)))
 				continue;
 		}
 
@@ -524,8 +484,7 @@ static int wcnss_vregs_on(struct device *dev,
 
 	for (i = 0; i < size; i++) {
 		if (cfg->wcn_external_gpio_support) {
-			if (!memcmp(regulators[i].name, VDD_PA,
-				    sizeof(VDD_PA)))
+			if (!memcmp(regulators[i].name, VDD_PA, sizeof(VDD_PA)))
 				continue;
 		}
 
@@ -673,12 +632,6 @@ int wcnss_wlan_power(struct device *dev,
 
 	down(&wcnss_power_on_lock);
 	if (on) {
-		if (cfg->wcn_external_gpio_support) {
-			rc = wcnss_external_gpio_set_state(true);
-			if (rc)
-				return rc;
-		}
-
 		/* RIVA regulator settings */
 		rc = wcnss_core_vregs_on(dev, hw_type,
 			cfg);
@@ -701,8 +654,6 @@ int wcnss_wlan_power(struct device *dev,
 
 	}  else if (is_power_on) {
 		is_power_on = false;
-		if (cfg->wcn_external_gpio_support)
-			wcnss_external_gpio_set_state(false);
 		configure_iris_xo(dev, cfg,
 				WCNSS_WLAN_SWITCH_OFF, NULL);
 		wcnss_iris_vregs_off(hw_type, cfg);
@@ -719,8 +670,6 @@ fail_iris_on:
 	wcnss_core_vregs_off(hw_type, cfg);
 
 fail_wcnss_on:
-	if (cfg->wcn_external_gpio_support)
-		wcnss_external_gpio_set_state(false);
 	up(&wcnss_power_on_lock);
 	return rc;
 }

drivers/net/wireless/wcnss/wcnss_wlan.c

@@ -2771,25 +2771,6 @@ wcnss_trigger_config(struct platform_device *pdev)
 
 	wlan_cfg->wcn_external_gpio_support =
 		of_property_read_bool(node, "qcom,wcn-external-gpio-support");
-	if (wlan_cfg->wcn_external_gpio_support) {
-		if (of_find_property(node, WCNSS_EXTERNAL_GPIO_NAME, NULL)) {
-			wlan_cfg->wcn_external_gpio =
-					of_get_named_gpio(
-						pdev->dev.of_node,
-						WCNSS_EXTERNAL_GPIO_NAME,
-						0);
-			if (!gpio_is_valid(wlan_cfg->wcn_external_gpio)) {
-				pr_err("%s: Invalid %s num defined in DT\n",
-				       __func__, WCNSS_EXTERNAL_GPIO_NAME);
-				ret = -EINVAL;
-				goto fail;
-			}
-		} else {
-			pr_err("%s: %s prop not defined in DT node\n",
-			       __func__, WCNSS_EXTERNAL_GPIO_NAME);
-			goto fail;
-		}
-	}
 
 	if (of_property_read_u32(node, "qcom,wlan-rx-buff-count",
 				 &penv->wlan_rx_buff_count)) {

include/linux/wcnss_wlan.h

@@ -20,11 +20,6 @@
 #define IRIS_REGULATORS		4
 #define PRONTO_REGULATORS	3
 
-#define WCNSS_EXTERNAL_GPIO_NAME "qcom,wcn-external-gpio"
-#define WCNSS_EXTERNAL_GPIO_HIGH 1
-#define WCNSS_EXTERNAL_GPIO_LOW 0
-#define WCNSS_EXTERNAL_GPIO_DIR_OUT 1
-
 enum wcnss_opcode {
 	WCNSS_WLAN_SWITCH_OFF = 0,
 	WCNSS_WLAN_SWITCH_ON,
@@ -44,7 +39,6 @@ struct vregs_level {
 
 struct wcnss_wlan_config {
 	bool	wcn_external_gpio_support;
-	int	wcn_external_gpio;
 	int	use_48mhz_xo;
 	int	is_pronto_vadc;
 	int	is_pronto_v3;