gpio: remove obsolete tnetv107x driver

The tnetv107x platform is getting removed, so this driver won't
be needed any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-gpio@vger.kernel.org
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/Makefile

@@ -81,7 +81,6 @@ obj-$(CONFIG_GPIO_TB10X)	+= gpio-tb10x.o
 obj-$(CONFIG_GPIO_TC3589X)	+= gpio-tc3589x.o
 obj-$(CONFIG_ARCH_TEGRA)	+= gpio-tegra.o
 obj-$(CONFIG_GPIO_TIMBERDALE)	+= gpio-timberdale.o
-obj-$(CONFIG_ARCH_DAVINCI_TNETV107X) += gpio-tnetv107x.o
 obj-$(CONFIG_GPIO_PALMAS)	+= gpio-palmas.o
 obj-$(CONFIG_GPIO_TPS6586X)	+= gpio-tps6586x.o
 obj-$(CONFIG_GPIO_TPS65910)	+= gpio-tps65910.o

drivers/gpio/gpio-tnetv107x.c

-/*
- * Texas Instruments TNETV107X GPIO Controller
- *
- * Copyright (C) 2010 Texas Instruments
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/gpio.h>
-#include <linux/platform_data/gpio-davinci.h>
-
-#include <mach/common.h>
-#include <mach/tnetv107x.h>
-
-struct tnetv107x_gpio_regs {
-	u32	idver;
-	u32	data_in[3];
-	u32	data_out[3];
-	u32	direction[3];
-	u32	enable[3];
-};
-
-#define gpio_reg_index(gpio)	((gpio) >> 5)
-#define gpio_reg_bit(gpio)	BIT((gpio) & 0x1f)
-
-#define gpio_reg_rmw(reg, mask, val)	\
-	__raw_writel((__raw_readl(reg) & ~(mask)) | (val), (reg))
-
-#define gpio_reg_set_bit(reg, gpio)	\
-	gpio_reg_rmw((reg) + gpio_reg_index(gpio), 0, gpio_reg_bit(gpio))
-
-#define gpio_reg_clear_bit(reg, gpio)	\
-	gpio_reg_rmw((reg) + gpio_reg_index(gpio), gpio_reg_bit(gpio), 0)
-
-#define gpio_reg_get_bit(reg, gpio)	\
-	(__raw_readl((reg) + gpio_reg_index(gpio)) & gpio_reg_bit(gpio))
-
-#define chip2controller(chip)		\
-	container_of(chip, struct davinci_gpio_controller, chip)
-
-#define TNETV107X_GPIO_CTLRS	DIV_ROUND_UP(TNETV107X_N_GPIO, 32)
-
-static struct davinci_gpio_controller chips[TNETV107X_GPIO_CTLRS];
-
-static int tnetv107x_gpio_request(struct gpio_chip *chip, unsigned offset)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctlr->lock, flags);
-
-	gpio_reg_set_bit(regs->enable, gpio);
-
-	spin_unlock_irqrestore(&ctlr->lock, flags);
-
-	return 0;
-}
-
-static void tnetv107x_gpio_free(struct gpio_chip *chip, unsigned offset)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctlr->lock, flags);
-
-	gpio_reg_clear_bit(regs->enable, gpio);
-
-	spin_unlock_irqrestore(&ctlr->lock, flags);
-}
-
-static int tnetv107x_gpio_dir_in(struct gpio_chip *chip, unsigned offset)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctlr->lock, flags);
-
-	gpio_reg_set_bit(regs->direction, gpio);
-
-	spin_unlock_irqrestore(&ctlr->lock, flags);
-
-	return 0;
-}
-
-static int tnetv107x_gpio_dir_out(struct gpio_chip *chip,
-		unsigned offset, int value)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctlr->lock, flags);
-
-	if (value)
-		gpio_reg_set_bit(regs->data_out, gpio);
-	else
-		gpio_reg_clear_bit(regs->data_out, gpio);
-
-	gpio_reg_clear_bit(regs->direction, gpio);
-
-	spin_unlock_irqrestore(&ctlr->lock, flags);
-
-	return 0;
-}
-
-static int tnetv107x_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	int ret;
-
-	ret = gpio_reg_get_bit(regs->data_in, gpio);
-
-	return ret ? 1 : 0;
-}
-
-static void tnetv107x_gpio_set(struct gpio_chip *chip,
-		unsigned offset, int value)
-{
-	struct davinci_gpio_controller *ctlr = chip2controller(chip);
-	struct tnetv107x_gpio_regs __iomem *regs = ctlr->regs;
-	unsigned gpio = chip->base + offset;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctlr->lock, flags);
-
-	if (value)
-		gpio_reg_set_bit(regs->data_out, gpio);
-	else
-		gpio_reg_clear_bit(regs->data_out, gpio);
-
-	spin_unlock_irqrestore(&ctlr->lock, flags);
-}
-
-static int __init tnetv107x_gpio_setup(void)
-{
-	int i, base;
-	unsigned ngpio;
-	struct davinci_soc_info *soc_info = &davinci_soc_info;
-	struct tnetv107x_gpio_regs *regs;
-	struct davinci_gpio_controller *ctlr;
-
-	if (soc_info->gpio_type != GPIO_TYPE_TNETV107X)
-		return 0;
-
-	ngpio = soc_info->gpio_num;
-	if (ngpio == 0) {
-		pr_err("GPIO setup:  how many GPIOs?\n");
-		return -EINVAL;
-	}
-
-	if (WARN_ON(TNETV107X_N_GPIO < ngpio))
-		ngpio = TNETV107X_N_GPIO;
-
-	regs = ioremap(soc_info->gpio_base, SZ_4K);
-	if (WARN_ON(!regs))
-		return -EINVAL;
-
-	for (i = 0, base = 0; base < ngpio; i++, base += 32) {
-		ctlr = &chips[i];
-
-		ctlr->chip.label	= "tnetv107x";
-		ctlr->chip.can_sleep	= false;
-		ctlr->chip.base		= base;
-		ctlr->chip.ngpio	= ngpio - base;
-		if (ctlr->chip.ngpio > 32)
-			ctlr->chip.ngpio = 32;
-
-		ctlr->chip.request		= tnetv107x_gpio_request;
-		ctlr->chip.free			= tnetv107x_gpio_free;
-		ctlr->chip.direction_input	= tnetv107x_gpio_dir_in;
-		ctlr->chip.get			= tnetv107x_gpio_get;
-		ctlr->chip.direction_output	= tnetv107x_gpio_dir_out;
-		ctlr->chip.set			= tnetv107x_gpio_set;
-
-		spin_lock_init(&ctlr->lock);
-
-		ctlr->regs	= regs;
-		ctlr->set_data	= &regs->data_out[i];
-		ctlr->clr_data	= &regs->data_out[i];
-		ctlr->in_data	= &regs->data_in[i];
-
-		gpiochip_add(&ctlr->chip);
-	}
-
-	soc_info->gpio_ctlrs = chips;
-	soc_info->gpio_ctlrs_num = DIV_ROUND_UP(ngpio, 32);
-	return 0;
-}
-pure_initcall(tnetv107x_gpio_setup);

include/linux/platform_data/gpio-davinci.h

@@ -21,10 +21,6 @@
 
 #include <asm-generic/gpio.h>
 
-enum davinci_gpio_type {
-	GPIO_TYPE_TNETV107X = 0,
-};
-
 struct davinci_gpio_platform_data {
 	u32	ngpio;
 	u32	gpio_unbanked;