mfd: remove ucb1400 support

The ucb1400 MFD driver and its gpio and touchscreen child
drivers were only used on a few PXA machines that were unused
for a while and are now removed.

Removing these leaves the AC97 support as ALSA specific,
no other drivers are now connected through this interface.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Lee Jones <lee@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Marek Vasut <marex@denx.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

3 files changed, 0 insertions, 93 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 0148553790eb..df2dfbb2601e 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1428,13 +1428,6 @@ config GPIO_TWL6040
 	  Say yes here to access the GPO signals of twl6040
 	  audio chip from Texas Instruments.
 
-config GPIO_UCB1400
-	tristate "Philips UCB1400 GPIO"
-	depends on UCB1400_CORE
-	help
-	  This enables support for the Philips UCB1400 GPIO pins.
-	  The UCB1400 is an AC97 audio codec.
-
 config GPIO_WHISKEY_COVE
 	tristate "GPIO support for Whiskey Cove PMIC"
 	depends on (X86 || COMPILE_TEST) && INTEL_SOC_PMIC_BXTWC
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 59ac21054261..c048ba003367 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -165,7 +165,6 @@ obj-$(CONFIG_GPIO_TS4900)		+= gpio-ts4900.o
 obj-$(CONFIG_GPIO_TS5500)		+= gpio-ts5500.o
 obj-$(CONFIG_GPIO_TWL4030)		+= gpio-twl4030.o
 obj-$(CONFIG_GPIO_TWL6040)		+= gpio-twl6040.o
-obj-$(CONFIG_GPIO_UCB1400)		+= gpio-ucb1400.o
 obj-$(CONFIG_GPIO_UNIPHIER)		+= gpio-uniphier.o
 obj-$(CONFIG_GPIO_VF610)		+= gpio-vf610.o
 obj-$(CONFIG_GPIO_VIPERBOARD)		+= gpio-viperboard.o
diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c
deleted file mode 100644
index 676adf1f198a..000000000000
--- a/drivers/gpio/gpio-ucb1400.c
+++ /dev/null
@@ -1,85 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Philips UCB1400 GPIO driver
- *
- * Author: Marek Vasut <marek.vasut@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/ucb1400.h>
-#include <linux/gpio/driver.h>
-
-static int ucb1400_gpio_dir_in(struct gpio_chip *gc, unsigned off)
-{
-	struct ucb1400_gpio *gpio;
-	gpio = gpiochip_get_data(gc);
-	ucb1400_gpio_set_direction(gpio->ac97, off, 0);
-	return 0;
-}
-
-static int ucb1400_gpio_dir_out(struct gpio_chip *gc, unsigned off, int val)
-{
-	struct ucb1400_gpio *gpio;
-	gpio = gpiochip_get_data(gc);
-	ucb1400_gpio_set_direction(gpio->ac97, off, 1);
-	ucb1400_gpio_set_value(gpio->ac97, off, val);
-	return 0;
-}
-
-static int ucb1400_gpio_get(struct gpio_chip *gc, unsigned off)
-{
-	struct ucb1400_gpio *gpio;
-
-	gpio = gpiochip_get_data(gc);
-	return !!ucb1400_gpio_get_value(gpio->ac97, off);
-}
-
-static void ucb1400_gpio_set(struct gpio_chip *gc, unsigned off, int val)
-{
-	struct ucb1400_gpio *gpio;
-	gpio = gpiochip_get_data(gc);
-	ucb1400_gpio_set_value(gpio->ac97, off, val);
-}
-
-static int ucb1400_gpio_probe(struct platform_device *dev)
-{
-	struct ucb1400_gpio *ucb = dev_get_platdata(&dev->dev);
-	int err = 0;
-
-	if (!(ucb && ucb->gpio_offset)) {
-		err = -EINVAL;
-		goto err;
-	}
-
-	platform_set_drvdata(dev, ucb);
-
-	ucb->gc.label = "ucb1400_gpio";
-	ucb->gc.base = ucb->gpio_offset;
-	ucb->gc.ngpio = 10;
-	ucb->gc.owner = THIS_MODULE;
-
-	ucb->gc.direction_input = ucb1400_gpio_dir_in;
-	ucb->gc.direction_output = ucb1400_gpio_dir_out;
-	ucb->gc.get = ucb1400_gpio_get;
-	ucb->gc.set = ucb1400_gpio_set;
-	ucb->gc.can_sleep = true;
-
-	err = devm_gpiochip_add_data(&dev->dev, &ucb->gc, ucb);
-
-err:
-	return err;
-
-}
-
-static struct platform_driver ucb1400_gpio_driver = {
-	.probe	= ucb1400_gpio_probe,
-	.driver	= {
-		.name	= "ucb1400_gpio"
-	},
-};
-
-module_platform_driver(ucb1400_gpio_driver);
-
-MODULE_DESCRIPTION("Philips UCB1400 GPIO driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ucb1400_gpio");