linux-kernel - [PATCH v2 2/2] wl1251: remove ti,power-gpio for SDIO mode

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Message-Id: <644b6f86c7ad5c24753a721cb262d8a9a371d914.1576606020.git.hns@goldelico.com>
Date:   Tue, 17 Dec 2019 19:07:00 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexios Zavras <alexios.zavras@...el.com>
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        letux-kernel@...nphoenux.org, kernel@...a-handheld.com
Subject: [PATCH v2 2/2] wl1251: remove ti,power-gpio for SDIO mode

Remove handling of this property from code.

Note that wl->power_gpio is still needed in
the header file for SPI mode (N900).

Suggested by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 drivers/net/wireless/ti/wl1251/sdio.c | 32 ++-------------------------
 1 file changed, 2 insertions(+), 30 deletions(-)

diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c
index a032a1f92b57..4dff8bceb649 100644
--- a/drivers/net/wireless/ti/wl1251/sdio.c
+++ b/drivers/net/wireless/ti/wl1251/sdio.c
@@ -15,9 +15,7 @@
 #include <linux/wl12xx.h>
 #include <linux/irq.h>
 #include <linux/pm_runtime.h>
-#include <linux/gpio.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
 #include <linux/of_irq.h>
 
 #include "wl1251.h"
@@ -162,15 +160,6 @@ static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable)
 printk("%s %d\n", __func__, enable);
 
 	if (enable) {
-		/*
-		 * Power is controlled by runtime PM, but we still call board
-		 * callback in case it wants to do any additional setup,
-		 * for example enabling clock buffer for the module.
-		 */
-		if (gpio_is_valid(wl->power_gpio))
-			gpio_set_value(wl->power_gpio, true);
-
-
 		ret = pm_runtime_get_sync(&func->dev);
 		if (ret < 0) {
 			pm_runtime_put_sync(&func->dev);
@@ -188,9 +177,6 @@ printk("%s %d\n", __func__, enable);
 		ret = pm_runtime_put_sync(&func->dev);
 		if (ret < 0)
 			goto out;
-
-		if (gpio_is_valid(wl->power_gpio))
-			gpio_set_value(wl->power_gpio, false);
 	}
 
 out:
@@ -245,31 +231,17 @@ printk("%s: of=%pOFcC\n", __func__, np);
 
 	wl1251_board_data = wl1251_get_platform_data();
 	if (!IS_ERR(wl1251_board_data)) {
-		wl->power_gpio = wl1251_board_data->power_gpio;
 		wl->irq = wl1251_board_data->irq;
 		wl->use_eeprom = wl1251_board_data->use_eeprom;
 	} else if (np) {
-		wl->use_eeprom = of_property_read_bool(np,
-						       "ti,wl1251-has-eeprom");
-		wl->power_gpio = of_get_named_gpio(np, "ti,power-gpio", 0);
+		wl->use_eeprom = of_property_read_bool(np, "ti,wl1251-has-eeprom");
 		wl->irq = of_irq_get(np, 0);
-
-		if (wl->power_gpio == -EPROBE_DEFER ||
-		    wl->irq == -EPROBE_DEFER) {
+		if (wl->irq == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
 			goto disable;
 		}
 	}
 
-	if (gpio_is_valid(wl->power_gpio)) {
-		ret = devm_gpio_request(&func->dev, wl->power_gpio,
-								"wl1251 power");
-		if (ret) {
-			wl1251_error("Failed to request gpio: %d\n", ret);
-			goto disable;
-		}
-	}
-
 	if (wl->irq) {
 		irq_set_status_flags(wl->irq, IRQ_NOAUTOEN);
 		ret = request_irq(wl->irq, wl1251_line_irq, 0, "wl1251", wl);
-- 
2.23.0