wifi: wl1251: drop support for platform data

Remove support for configuring the device via platform data because
there are no users of wl1251_platform_data left in the mainline kernel.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221109224250.2885119-2-dmitry.torokhov@gmail.com

5 files changed, 4 insertions, 63 deletions

diff --git a/drivers/net/wireless/ti/Kconfig b/drivers/net/wireless/ti/Kconfig
index 7c0b17a76fe2..3fcd9e395f72 100644
--- a/drivers/net/wireless/ti/Kconfig
+++ b/drivers/net/wireless/ti/Kconfig
@@ -18,12 +18,4 @@ source "drivers/net/wireless/ti/wl18xx/Kconfig"
 # keep last for automatic dependencies
 source "drivers/net/wireless/ti/wlcore/Kconfig"
 
-config WILINK_PLATFORM_DATA
-	bool "TI WiLink platform data"
-	depends on WLCORE_SDIO || WL1251_SDIO
-	default y
-	help
-	Small platform data bit needed to pass data to the sdio modules.
-
-
 endif # WLAN_VENDOR_TI
diff --git a/drivers/net/wireless/ti/wilink_platform_data.c b/drivers/net/wireless/ti/wilink_platform_data.c
deleted file mode 100644
index 1de6a62d526f..000000000000
--- a/drivers/net/wireless/ti/wilink_platform_data.c
+++ /dev/null
@@ -1,35 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * This file is part of wl12xx
- *
- * Copyright (C) 2010-2011 Texas Instruments, Inc.
- */
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/wl12xx.h>
-
-static struct wl1251_platform_data *wl1251_platform_data;
-
-int __init wl1251_set_platform_data(const struct wl1251_platform_data *data)
-{
-	if (wl1251_platform_data)
-		return -EBUSY;
-	if (!data)
-		return -EINVAL;
-
-	wl1251_platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
-	if (!wl1251_platform_data)
-		return -ENOMEM;
-
-	return 0;
-}
-
-struct wl1251_platform_data *wl1251_get_platform_data(void)
-{
-	if (!wl1251_platform_data)
-		return ERR_PTR(-ENODEV);
-
-	return wl1251_platform_data;
-}
-EXPORT_SYMBOL(wl1251_get_platform_data);
diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c
index c9a4e9a43400..301bd0043a43 100644
--- a/drivers/net/wireless/ti/wl1251/sdio.c
+++ b/drivers/net/wireless/ti/wl1251/sdio.c
@@ -12,7 +12,6 @@
 #include <linux/mmc/sdio_func.h>
 #include <linux/mmc/sdio_ids.h>
 #include <linux/platform_device.h>
-#include <linux/wl12xx.h>
 #include <linux/irq.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
@@ -197,7 +196,6 @@ static int wl1251_sdio_probe(struct sdio_func *func,
 	struct wl1251 *wl;
 	struct ieee80211_hw *hw;
 	struct wl1251_sdio *wl_sdio;
-	const struct wl1251_platform_data *wl1251_board_data;
 	struct device_node *np = func->dev.of_node;
 
 	hw = wl1251_alloc_hw();
@@ -225,11 +223,7 @@ static int wl1251_sdio_probe(struct sdio_func *func,
 	wl->if_priv = wl_sdio;
 	wl->if_ops = &wl1251_sdio_ops;
 
-	wl1251_board_data = wl1251_get_platform_data();
-	if (!IS_ERR(wl1251_board_data)) {
-		wl->irq = wl1251_board_data->irq;
-		wl->use_eeprom = wl1251_board_data->use_eeprom;
-	} else if (np) {
+	if (np) {
 		wl->use_eeprom = of_property_read_bool(np, "ti,wl1251-has-eeprom");
 		wl->irq = of_irq_get(np, 0);
 		if (wl->irq == -EPROBE_DEFER) {
diff --git a/drivers/net/wireless/ti/wl1251/spi.c b/drivers/net/wireless/ti/wl1251/spi.c
index 9df38726e8b0..08d9814b49c1 100644
--- a/drivers/net/wireless/ti/wl1251/spi.c
+++ b/drivers/net/wireless/ti/wl1251/spi.c
@@ -12,7 +12,6 @@
 #include <linux/swab.h>
 #include <linux/crc7.h>
 #include <linux/spi/spi.h>
-#include <linux/wl12xx.h>
 #include <linux/gpio.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
@@ -226,16 +225,13 @@ static const struct wl1251_if_operations wl1251_spi_ops = {
 
 static int wl1251_spi_probe(struct spi_device *spi)
 {
-	struct wl1251_platform_data *pdata = dev_get_platdata(&spi->dev);
 	struct device_node *np = spi->dev.of_node;
 	struct ieee80211_hw *hw;
 	struct wl1251 *wl;
 	int ret;
 
-	if (!np && !pdata) {
-		wl1251_error("no platform data");
+	if (!np)
 		return -ENODEV;
-	}
 
 	hw = wl1251_alloc_hw();
 	if (IS_ERR(hw))
@@ -259,14 +255,9 @@ static int wl1251_spi_probe(struct spi_device *spi)
 		goto out_free;
 	}
 
-	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);
-	} else if (pdata) {
-		wl->power_gpio = pdata->power_gpio;
-		wl->use_eeprom = pdata->use_eeprom;
-	}
+	wl->use_eeprom = of_property_read_bool(np, "ti,wl1251-has-eeprom");
 
+	wl->power_gpio = of_get_named_gpio(np, "ti,power-gpio", 0);
 	if (wl->power_gpio == -EPROBE_DEFER) {
 		ret = -EPROBE_DEFER;
 		goto out_free;
diff --git a/drivers/net/wireless/ti/wlcore/spi.c b/drivers/net/wireless/ti/wlcore/spi.c
index 7eae1ec2eb2b..2d2edddc77bd 100644
--- a/drivers/net/wireless/ti/wlcore/spi.c
+++ b/drivers/net/wireless/ti/wlcore/spi.c
@@ -14,7 +14,6 @@
 #include <linux/swab.h>
 #include <linux/crc7.h>
 #include <linux/spi/spi.h>
-#include <linux/wl12xx.h>
 #include <linux/platform_device.h>
 #include <linux/of_irq.h>
 #include <linux/regulator/consumer.h>