gpio-nxp-74hc153: remove package

This module was used solely by Buffalo WZR-HP-G300NH devices
and has become obsolete with the introduction of gpio-cascade.

Signed-off-by: Mauri Sandberg <[email protected]>

package/kernel/gpio-nxp-74hc153/Makefile

@@ -1,35 +0,0 @@
-#
-# Copyright (C) 2020 Mauri Sandberg <[email protected]>
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=gpio-nxp-74hc153
-PKG_RELEASE:=1
-PKG_LICENSE:=GPL-2.0
-
-include $(INCLUDE_DIR)/package.mk
-
-define KernelPackage/gpio-nxp-74hc153
-  SUBMENU:=Other modules
-  TITLE:= NXP 74HC153 GPIO expander
-  FILES:=$(PKG_BUILD_DIR)/gpio-nxp-74hc153.ko
-  AUTOLOAD:=$(call AutoLoad,30,gpio-nxp-74hc153,1)
-  KCONFIG:=
-  DEPENDS:= @GPIO_SUPPORT @TARGET_ath79
-endef
-
-define KernelPackage/gpio-nxp-74hc153/description
-  Platform driver for NXP 74HC153 Dual 4-input Multiplexer.
-  This provides a GPIO interface supporting input mode only.
-endef
-
-define Build/Compile
-	$(KERNEL_MAKE) M=$(PKG_BUILD_DIR) modules
-endef
-
-$(eval $(call KernelPackage,gpio-nxp-74hc153))

package/kernel/gpio-nxp-74hc153/src/Makefile

@@ -1 +0,0 @@
-obj-m += gpio-nxp-74hc153.o

package/kernel/gpio-nxp-74hc153/src/gpio-nxp-74hc153.c

@@ -1,291 +0,0 @@
-/*
- *  NXP 74HC153 - Dual 4-input multiplexer GPIO driver
- *
- *  Copyright (C) 2010 Gabor Juhos <[email protected]>
- *  Copyright (C) 2020 Mauri Sandberg <[email protected]>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
- *  Example device tree definition:
- *
- *  gpio-extender {
- *    compatible = "nxp,74hc153-gpio";
- *    gpio-controller;
- *    #gpio-cells = <2>;
- *
- *    // GPIOs used by this node
- *    gpio-s0 = <&gpio 9 GPIO_ACTIVE_HIGH>;
- *    gpio-s1 = <&gpio 11 GPIO_ACTIVE_HIGH>;
- *    gpio-1y = <&gpio 12 GPIO_ACTIVE_HIGH>;
- *    gpio-2y = <&gpio 14 GPIO_ACTIVE_HIGH>;
- *  };
- *
- */
-
-#include <linux/version.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/gpio.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/of_gpio.h>
-
-#define NXP_74HC153_NUM_GPIOS   8
-#define NXP_74HC153_S0_MASK     0x1
-#define NXP_74HC153_S1_MASK     0x2
-#define NXP_74HC153_BANK_MASK   0x4
-
-#define NXP_74HC153_DRIVER_NAME "nxp-74hc153"
-
-struct nxp_74hc153_config {
-	unsigned gpio_pin_s0;
-	unsigned gpio_pin_s1;
-	unsigned gpio_pin_1y;
-	unsigned gpio_pin_2y;
-};
-
-struct nxp_74hc153_chip {
-	struct device             *parent;
-	struct gpio_chip          gpio_chip;
-	struct mutex              lock;
-	struct nxp_74hc153_config config;
-};
-
-static struct nxp_74hc153_chip *gpio_to_nxp(struct gpio_chip *gc)
-{
-	return container_of(gc, struct nxp_74hc153_chip, gpio_chip);
-}
-
-static int nxp_74hc153_direction_input(struct gpio_chip *gc, unsigned offset)
-{
-	return 0;
-}
-
-static int nxp_74hc153_direction_output(struct gpio_chip *gc,
-					unsigned offset, int val)
-{
-	return -EINVAL;
-}
-
-static int nxp_74hc153_get_value(struct gpio_chip *gc, unsigned offset)
-{
-	struct nxp_74hc153_chip *nxp;
-	struct nxp_74hc153_platform_data *pdata;
-	unsigned s0;
-	unsigned s1;
-	unsigned pin;
-	int ret;
-
-	nxp = gpio_to_nxp(gc);
-	pdata = nxp->parent->platform_data;
-
-	s0 = !!(offset & NXP_74HC153_S0_MASK);
-	s1 = !!(offset & NXP_74HC153_S1_MASK);
-	pin = (offset & NXP_74HC153_BANK_MASK) ? nxp->config.gpio_pin_2y
-	                                       : nxp->config.gpio_pin_1y;
-
-	mutex_lock(&nxp->lock);
-	gpio_set_value(nxp->config.gpio_pin_s0, s0);
-	gpio_set_value(nxp->config.gpio_pin_s1, s1);
-	ret = gpio_get_value(pin);
-	mutex_unlock(&nxp->lock);
-
-	return ret;
-}
-
-static void nxp_74hc153_set_value(struct gpio_chip *gc,
-	unsigned offset, int val)
-{
-	/* not supported */
-}
-
-static int nxp_74hc153_probe(struct platform_device *pdev)
-{
-	struct device_node *np = pdev->dev.of_node;
-	struct nxp_74hc153_chip *nxp;
-	struct gpio_chip *gc;
-	int err;
-	unsigned gpio_s0;
-	unsigned gpio_s1;
-	unsigned gpio_1y;
-        unsigned gpio_2y;
-
-	nxp = kzalloc(sizeof(struct nxp_74hc153_chip), GFP_KERNEL);
-	if (nxp == NULL) {
-		dev_err(&pdev->dev, "no memory for private data\n");
-		return -ENOMEM;
-	}
-
-	gpio_s0 = of_get_named_gpio(np, "gpio-s0", 0);
-	gpio_s1 = of_get_named_gpio(np, "gpio-s1", 0);
-	gpio_1y = of_get_named_gpio(np, "gpio-1y", 0);
-	gpio_2y = of_get_named_gpio(np, "gpio-2y", 0);
-
-	if (!gpio_is_valid(gpio_s0) || !gpio_is_valid(gpio_s1) ||
-  	    !gpio_is_valid(gpio_1y) || !gpio_is_valid(gpio_2y)) {
-
-		dev_err(&pdev->dev, "control GPIO(s) are missing\n");
-		err = -EINVAL;
-		goto err_free_nxp;
-	} else {
-		nxp->config.gpio_pin_s0 = gpio_s0;
-		nxp->config.gpio_pin_s1 = gpio_s1;
-		nxp->config.gpio_pin_1y = gpio_1y;
-		nxp->config.gpio_pin_2y = gpio_2y;
-	}
-
-	// apply pin configuration
-	err = gpio_request(nxp->config.gpio_pin_s0, dev_name(&pdev->dev));
-	if (err) {
-		dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n",
-			nxp->config.gpio_pin_s0, err);
-		goto err_free_nxp;
-	}
-
-	err = gpio_request(nxp->config.gpio_pin_s1, dev_name(&pdev->dev));
-	if (err) {
-		dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n",
-			nxp->config.gpio_pin_s1, err);
-		goto err_free_s0;
-	}
-
-	err = gpio_request(nxp->config.gpio_pin_1y, dev_name(&pdev->dev));
-	if (err) {
-		dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n",
-			nxp->config.gpio_pin_1y, err);
-		goto err_free_s1;
-	}
-
-	err = gpio_request(nxp->config.gpio_pin_2y, dev_name(&pdev->dev));
-	if (err) {
-		dev_err(&pdev->dev, "unable to claim gpio %u, err=%d\n",
-			nxp->config.gpio_pin_2y, err);
-		goto err_free_1y;
-	}
-
-	err = gpio_direction_output(nxp->config.gpio_pin_s0, 0);
-	if (err) {
-		dev_err(&pdev->dev,
-			"unable to set direction of gpio %u, err=%d\n",
-			nxp->config.gpio_pin_s0, err);
-		goto err_free_2y;
-	}
-
-	err = gpio_direction_output(nxp->config.gpio_pin_s1, 0);
-	if (err) {
-		dev_err(&pdev->dev,
-			"unable to set direction of gpio %u, err=%d\n",
-			nxp->config.gpio_pin_s1, err);
-		goto err_free_2y;
-	}
-
-	err = gpio_direction_input(nxp->config.gpio_pin_1y);
-	if (err) {
-		dev_err(&pdev->dev,
-			"unable to set direction of gpio %u, err=%d\n",
-			nxp->config.gpio_pin_1y, err);
-		goto err_free_2y;
-	}
-
-	err = gpio_direction_input(nxp->config.gpio_pin_2y);
-	if (err) {
-		dev_err(&pdev->dev,
-			"unable to set direction of gpio %u, err=%d\n",
-			nxp->config.gpio_pin_2y, err);
-		goto err_free_2y;
-	}
-
-	nxp->parent = &pdev->dev;
-	mutex_init(&nxp->lock);
-
-	gc = &nxp->gpio_chip;
-
-	gc->direction_input  = nxp_74hc153_direction_input;
-	gc->direction_output = nxp_74hc153_direction_output;
-	gc->get = nxp_74hc153_get_value;
-	gc->set = nxp_74hc153_set_value;
-	gc->can_sleep = 1;
-
-	gc->base = -1;
-	gc->ngpio = NXP_74HC153_NUM_GPIOS;
-	gc->label = dev_name(nxp->parent);
-	gc->parent = nxp->parent;
-	gc->owner = THIS_MODULE;
-	gc->of_node = np;
-
-	err = gpiochip_add(&nxp->gpio_chip);
-	if (err) {
-		dev_err(&pdev->dev, "unable to add gpio chip, err=%d\n", err);
-		goto err_free_2y;
-	}
-
-	platform_set_drvdata(pdev, nxp);
-	return 0;
-
-err_free_2y:
-	gpio_free(nxp->config.gpio_pin_2y);
-err_free_1y:
-	gpio_free(nxp->config.gpio_pin_1y);
-err_free_s1:
-	gpio_free(nxp->config.gpio_pin_s1);
-err_free_s0:
-	gpio_free(nxp->config.gpio_pin_s0);
-err_free_nxp:
-	kfree(nxp);
-	return err;
-}
-
-static int nxp_74hc153_remove(struct platform_device *pdev)
-{
-	struct nxp_74hc153_chip *nxp = platform_get_drvdata(pdev);
-
-	if (nxp) {
-		gpiochip_remove(&nxp->gpio_chip);
-		gpio_free(nxp->config.gpio_pin_2y);
-		gpio_free(nxp->config.gpio_pin_1y);
-		gpio_free(nxp->config.gpio_pin_s1);
-		gpio_free(nxp->config.gpio_pin_s0);
-
-		kfree(nxp);
-		platform_set_drvdata(pdev, NULL);
-	}
-
-	return 0;
-}
-
-static struct of_device_id nxp_74hc153_id[] = {
-	{
-		.compatible = "nxp,74hc153-gpio",
-		.data = NULL,
-	}, { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, nxp_74hc153_id);
-
-static struct platform_driver nxp_74hc153_driver = {
-	.probe          = nxp_74hc153_probe,
-	.remove         = nxp_74hc153_remove,
-	.driver = {
-		.name   = NXP_74HC153_DRIVER_NAME,
-		.owner  = THIS_MODULE,
-		.of_match_table = nxp_74hc153_id,
-	},
-};
-
-static int __init nxp_74hc153_init(void)
-{
-	return platform_driver_register(&nxp_74hc153_driver);
-}
-subsys_initcall(nxp_74hc153_init);
-
-static void __exit nxp_74hc153_exit(void)
-{
-	platform_driver_unregister(&nxp_74hc153_driver);
-}
-module_exit(nxp_74hc153_exit);
-
-MODULE_AUTHOR("Gabor Juhos <[email protected]>");
-MODULE_DESCRIPTION("GPIO expander driver for NXP 74HC153");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" NXP_74HC153_DRIVER_NAME);