1 files changed, 0 insertions, 126 deletions

diff --git a/arch/mips/lantiq/xway/gpio_ebu.c b/arch/mips/lantiq/xway/gpio_ebu.c
deleted file mode 100644
index aae17170472f..000000000000
--- a/arch/mips/lantiq/xway/gpio_ebu.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- *  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.
- *
- *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-
-#include <lantiq_soc.h>
-
-/*
- * By attaching hardware latches to the EBU it is possible to create output
- * only gpios. This driver configures a special memory address, which when
- * written to outputs 16 bit to the latches.
- */
-
-#define LTQ_EBU_BUSCON  0x1e7ff         /* 16 bit access, slowest timing */
-#define LTQ_EBU_WP      0x80000000      /* write protect bit */
-
-/* we keep a shadow value of the last value written to the ebu */
-static int ltq_ebu_gpio_shadow = 0x0;
-static void __iomem *ltq_ebu_gpio_membase;
-
-static void ltq_ebu_apply(void)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&ebu_lock, flags);
-        ltq_ebu_w32(LTQ_EBU_BUSCON, LTQ_EBU_BUSCON1);
-        *((__u16 *)ltq_ebu_gpio_membase) = ltq_ebu_gpio_shadow;
-        ltq_ebu_w32(LTQ_EBU_BUSCON | LTQ_EBU_WP, LTQ_EBU_BUSCON1);
-        spin_unlock_irqrestore(&ebu_lock, flags);
-}
-
-static void ltq_ebu_set(struct gpio_chip *chip, unsigned offset, int value)
-{
-        if (value)
-                ltq_ebu_gpio_shadow |= (1 << offset);
-        else
-                ltq_ebu_gpio_shadow &= ~(1 << offset);
-        ltq_ebu_apply();
-}
-
-static int ltq_ebu_direction_output(struct gpio_chip *chip, unsigned offset,
-        int value)
-{
-        ltq_ebu_set(chip, offset, value);
-
-        return 0;
-}
-
-static struct gpio_chip ltq_ebu_chip = {
-        .label = "ltq_ebu",
-        .direction_output = ltq_ebu_direction_output,
-        .set = ltq_ebu_set,
-        .base = 72,
-        .ngpio = 16,
-        .can_sleep = 1,
-        .owner = THIS_MODULE,
-};
-
-static int ltq_ebu_probe(struct platform_device *pdev)
-{
-        int ret = 0;
-        struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-        if (!res) {
-                dev_err(&pdev->dev, "failed to get memory resource\n");
-                return -ENOENT;
-        }
-
-        res = devm_request_mem_region(&pdev->dev, res->start,
-                resource_size(res), dev_name(&pdev->dev));
-        if (!res) {
-                dev_err(&pdev->dev, "failed to request memory resource\n");
-                return -EBUSY;
-        }
-
-        ltq_ebu_gpio_membase = devm_ioremap_nocache(&pdev->dev, res->start,
-                resource_size(res));
-        if (!ltq_ebu_gpio_membase) {
-                dev_err(&pdev->dev, "Failed to ioremap mem region\n");
-                return -ENOMEM;
-        }
-
-        /* grab the default shadow value passed form the platform code */
-        ltq_ebu_gpio_shadow = (unsigned int) pdev->dev.platform_data;
-
-        /* tell the ebu controller which memory address we will be using */
-        ltq_ebu_w32(pdev->resource->start | 0x1, LTQ_EBU_ADDRSEL1);
-
-        /* write protect the region */
-        ltq_ebu_w32(LTQ_EBU_BUSCON | LTQ_EBU_WP, LTQ_EBU_BUSCON1);
-
-        ret = gpiochip_add(&ltq_ebu_chip);
-        if (!ret)
-                ltq_ebu_apply();
-        return ret;
-}
-
-static struct platform_driver ltq_ebu_driver = {
-        .probe = ltq_ebu_probe,
-        .driver = {
-                .name = "ltq_ebu",
-                .owner = THIS_MODULE,
-        },
-};
-
-static int __init ltq_ebu_init(void)
-{
-        int ret = platform_driver_register(&ltq_ebu_driver);
-
-        if (ret)
-                pr_info("ltq_ebu : Error registering platform driver!");
-        return ret;
-}
-
-postcore_initcall(ltq_ebu_init);