* [PATCH v2 2/3] wifi: wl1251: drop support for platform data
2022-11-09 22:42 [PATCH v2 1/3] ARM: OMAP2+: pdata-quirks: stop including wl12xx.h Dmitry Torokhov
@ 2022-11-09 22:42 ` Dmitry Torokhov
2022-11-09 22:42 ` [PATCH v2 3/3] wifi: wl1251: switch to using gpiod API Dmitry Torokhov
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Dmitry Torokhov @ 2022-11-09 22:42 UTC (permalink / raw)
To: Kalle Valo, Tony Lindgren; +Cc: linux-wireless, linux-kernel, linux-omap
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>
---
MAINTAINERS | 1 -
drivers/net/wireless/ti/Kconfig | 8 ----
.../net/wireless/ti/wilink_platform_data.c | 35 ---------------
drivers/net/wireless/ti/wl1251/sdio.c | 8 +---
drivers/net/wireless/ti/wl1251/spi.c | 15 ++-----
drivers/net/wireless/ti/wlcore/spi.c | 1 -
include/linux/wl12xx.h | 44 -------------------
7 files changed, 4 insertions(+), 108 deletions(-)
delete mode 100644 drivers/net/wireless/ti/wilink_platform_data.c
delete mode 100644 include/linux/wl12xx.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 03ae061c5f6f..e51716599335 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20724,7 +20724,6 @@ W: https://wireless.wiki.kernel.org/en/users/Drivers/wl12xx
W: https://wireless.wiki.kernel.org/en/users/Drivers/wl1251
T: git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git
F: drivers/net/wireless/ti/
-F: include/linux/wl12xx.h
TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
M: John Stultz <jstultz@google.com>
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>
diff --git a/include/linux/wl12xx.h b/include/linux/wl12xx.h
deleted file mode 100644
index 03d61f1d23ab..000000000000
--- a/include/linux/wl12xx.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * This file is part of wl12xx
- *
- * Copyright (C) 2009 Nokia Corporation
- *
- * Contact: Luciano Coelho <luciano.coelho@nokia.com>
- */
-
-#ifndef _LINUX_WL12XX_H
-#define _LINUX_WL12XX_H
-
-#include <linux/err.h>
-
-struct wl1251_platform_data {
- int power_gpio;
- /* SDIO only: IRQ number if WLAN_IRQ line is used, 0 for SDIO IRQs */
- int irq;
- bool use_eeprom;
-};
-
-#ifdef CONFIG_WILINK_PLATFORM_DATA
-
-int wl1251_set_platform_data(const struct wl1251_platform_data *data);
-
-struct wl1251_platform_data *wl1251_get_platform_data(void);
-
-#else
-
-static inline
-int wl1251_set_platform_data(const struct wl1251_platform_data *data)
-{
- return -ENOSYS;
-}
-
-static inline
-struct wl1251_platform_data *wl1251_get_platform_data(void)
-{
- return ERR_PTR(-ENODATA);
-}
-
-#endif
-
-#endif
--
2.38.1.431.g37b22c650d-goog
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH v2 3/3] wifi: wl1251: switch to using gpiod API
2022-11-09 22:42 [PATCH v2 1/3] ARM: OMAP2+: pdata-quirks: stop including wl12xx.h Dmitry Torokhov
2022-11-09 22:42 ` [PATCH v2 2/3] wifi: wl1251: drop support for platform data Dmitry Torokhov
@ 2022-11-09 22:42 ` Dmitry Torokhov
2022-11-10 7:13 ` [PATCH v2 1/3] ARM: OMAP2+: pdata-quirks: stop including wl12xx.h Tony Lindgren
2022-11-16 9:38 ` Kalle Valo
3 siblings, 0 replies; 6+ messages in thread
From: Dmitry Torokhov @ 2022-11-09 22:42 UTC (permalink / raw)
To: Kalle Valo, Tony Lindgren; +Cc: linux-wireless, linux-kernel, linux-omap
Switch the driver from legacy gpio API to the newer gpiod API.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/net/wireless/ti/wl1251/spi.c | 63 +++++++++++++------------
drivers/net/wireless/ti/wl1251/wl1251.h | 1 -
2 files changed, 34 insertions(+), 30 deletions(-)
diff --git a/drivers/net/wireless/ti/wl1251/spi.c b/drivers/net/wireless/ti/wl1251/spi.c
index 08d9814b49c1..29292f06bd3d 100644
--- a/drivers/net/wireless/ti/wl1251/spi.c
+++ b/drivers/net/wireless/ti/wl1251/spi.c
@@ -5,6 +5,7 @@
* Copyright (C) 2008 Nokia Corporation
*/
+#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/module.h>
@@ -12,15 +13,19 @@
#include <linux/swab.h>
#include <linux/crc7.h>
#include <linux/spi/spi.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/regulator/consumer.h>
#include "wl1251.h"
#include "reg.h"
#include "spi.h"
+struct wl1251_spi {
+ struct spi_device *spi;
+ struct gpio_desc *power_gpio;
+};
+
static irqreturn_t wl1251_irq(int irq, void *cookie)
{
struct wl1251 *wl;
@@ -34,13 +39,9 @@ static irqreturn_t wl1251_irq(int irq, void *cookie)
return IRQ_HANDLED;
}
-static struct spi_device *wl_to_spi(struct wl1251 *wl)
-{
- return wl->if_priv;
-}
-
static void wl1251_spi_reset(struct wl1251 *wl)
{
+ struct wl1251_spi *wl_spi = wl->if_priv;
u8 *cmd;
struct spi_transfer t;
struct spi_message m;
@@ -60,7 +61,7 @@ static void wl1251_spi_reset(struct wl1251 *wl)
t.len = WSPI_INIT_CMD_LEN;
spi_message_add_tail(&t, &m);
- spi_sync(wl_to_spi(wl), &m);
+ spi_sync(wl_spi->spi, &m);
wl1251_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN);
@@ -69,6 +70,7 @@ static void wl1251_spi_reset(struct wl1251 *wl)
static void wl1251_spi_wake(struct wl1251 *wl)
{
+ struct wl1251_spi *wl_spi = wl->if_priv;
struct spi_transfer t;
struct spi_message m;
u8 *cmd = kzalloc(WSPI_INIT_CMD_LEN, GFP_KERNEL);
@@ -112,7 +114,7 @@ static void wl1251_spi_wake(struct wl1251 *wl)
t.len = WSPI_INIT_CMD_LEN;
spi_message_add_tail(&t, &m);
- spi_sync(wl_to_spi(wl), &m);
+ spi_sync(wl_spi->spi, &m);
wl1251_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN);
@@ -128,6 +130,7 @@ static void wl1251_spi_reset_wake(struct wl1251 *wl)
static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf,
size_t len)
{
+ struct wl1251_spi *wl_spi = wl->if_priv;
struct spi_transfer t[3];
struct spi_message m;
u8 *busy_buf;
@@ -157,7 +160,7 @@ static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf,
t[2].len = len;
spi_message_add_tail(&t[2], &m);
- spi_sync(wl_to_spi(wl), &m);
+ spi_sync(wl_spi->spi, &m);
/* FIXME: check busy words */
@@ -168,6 +171,7 @@ static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf,
static void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf,
size_t len)
{
+ struct wl1251_spi *wl_spi = wl->if_priv;
struct spi_transfer t[2];
struct spi_message m;
u32 *cmd;
@@ -190,7 +194,7 @@ static void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf,
t[1].len = len;
spi_message_add_tail(&t[1], &m);
- spi_sync(wl_to_spi(wl), &m);
+ spi_sync(wl_spi->spi, &m);
wl1251_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd));
wl1251_dump(DEBUG_SPI, "spi_write buf -> ", buf, len);
@@ -208,8 +212,10 @@ static void wl1251_spi_disable_irq(struct wl1251 *wl)
static int wl1251_spi_set_power(struct wl1251 *wl, bool enable)
{
- if (gpio_is_valid(wl->power_gpio))
- gpio_set_value(wl->power_gpio, enable);
+ struct wl1251_spi *wl_spi = wl->if_priv;
+
+ if (wl_spi->power_gpio)
+ gpiod_set_value_cansleep(wl_spi->power_gpio, enable);
return 0;
}
@@ -227,12 +233,19 @@ static int wl1251_spi_probe(struct spi_device *spi)
{
struct device_node *np = spi->dev.of_node;
struct ieee80211_hw *hw;
+ struct wl1251_spi *wl_spi;
struct wl1251 *wl;
int ret;
if (!np)
return -ENODEV;
+ wl_spi = devm_kzalloc(&spi->dev, sizeof(*wl_spi), GFP_KERNEL);
+ if (!wl_spi)
+ return -ENOMEM;
+
+ wl_spi->spi = spi;
+
hw = wl1251_alloc_hw();
if (IS_ERR(hw))
return PTR_ERR(hw);
@@ -241,7 +254,7 @@ static int wl1251_spi_probe(struct spi_device *spi)
SET_IEEE80211_DEV(hw, &spi->dev);
spi_set_drvdata(spi, wl);
- wl->if_priv = spi;
+ wl->if_priv = wl_spi;
wl->if_ops = &wl1251_spi_ops;
/* This is the only SPI value that we need to set here, the rest
@@ -257,25 +270,17 @@ static int wl1251_spi_probe(struct spi_device *spi)
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;
- }
-
- if (gpio_is_valid(wl->power_gpio)) {
- ret = devm_gpio_request_one(&spi->dev, wl->power_gpio,
- GPIOF_OUT_INIT_LOW, "wl1251 power");
- if (ret) {
+ wl_spi->power_gpio = devm_gpiod_get_optional(&spi->dev, "ti,power",
+ GPIOD_OUT_LOW);
+ ret = PTR_ERR_OR_ZERO(wl_spi->power_gpio);
+ if (ret) {
+ if (ret != -EPROBE_DEFER)
wl1251_error("Failed to request gpio: %d\n", ret);
- goto out_free;
- }
- } else {
- wl1251_error("set power gpio missing in platform data");
- ret = -ENODEV;
goto out_free;
}
+ gpiod_set_consumer_name(wl_spi->power_gpio, "wl1251 power");
+
wl->irq = spi->irq;
if (wl->irq < 0) {
wl1251_error("irq missing in platform data");
diff --git a/drivers/net/wireless/ti/wl1251/wl1251.h b/drivers/net/wireless/ti/wl1251/wl1251.h
index 23ae07dd4c2e..83adbc3c25dc 100644
--- a/drivers/net/wireless/ti/wl1251/wl1251.h
+++ b/drivers/net/wireless/ti/wl1251/wl1251.h
@@ -262,7 +262,6 @@ struct wl1251 {
void *if_priv;
const struct wl1251_if_operations *if_ops;
- int power_gpio;
int irq;
bool use_eeprom;
--
2.38.1.431.g37b22c650d-goog
^ permalink raw reply related [flat|nested] 6+ messages in thread