gpio: reorganize drivers

Sort the gpio makefile and enforce the naming convention gpio-*.c for
gpio drivers.

v2: cleaned up filenames in Kconfig and comment blocks
v3: fixup use of BASIC_MMIO to GENERIC_GPIO for mxc

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 0 insertions, 118 deletions

diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c
deleted file mode 100644
index 92a100ddef6b..000000000000
--- a/drivers/gpio/max7301.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/*
- * drivers/gpio/max7301.c
- *
- * Copyright (C) 2006 Juergen Beisert, Pengutronix
- * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix
- * Copyright (C) 2009 Wolfram Sang, Pengutronix
- *
- * 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.
- *
- * Check max730x.c for further details.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/max7301.h>
-
-/* A write to the MAX7301 means one message with one transfer */
-static int max7301_spi_write(struct device *dev, unsigned int reg,
-                                unsigned int val)
-{
-        struct spi_device *spi = to_spi_device(dev);
-        u16 word = ((reg & 0x7F) << 8) | (val & 0xFF);
-
-        return spi_write(spi, (const u8 *)&word, sizeof(word));
-}
-
-/* A read from the MAX7301 means two transfers; here, one message each */
-
-static int max7301_spi_read(struct device *dev, unsigned int reg)
-{
-        int ret;
-        u16 word;
-        struct spi_device *spi = to_spi_device(dev);
-
-        word = 0x8000 | (reg << 8);
-        ret = spi_write(spi, (const u8 *)&word, sizeof(word));
-        if (ret)
-                return ret;
-        /*
-         * This relies on the fact, that a transfer with NULL tx_buf shifts out
-         * zero bytes (=NOOP for MAX7301)
-         */
-        ret = spi_read(spi, (u8 *)&word, sizeof(word));
-        if (ret)
-                return ret;
-        return word & 0xff;
-}
-
-static int __devinit max7301_probe(struct spi_device *spi)
-{
-        struct max7301 *ts;
-        int ret;
-
-        /* bits_per_word cannot be configured in platform data */
-        spi->bits_per_word = 16;
-        ret = spi_setup(spi);
-        if (ret < 0)
-                return ret;
-
-        ts = kzalloc(sizeof(struct max7301), GFP_KERNEL);
-        if (!ts)
-                return -ENOMEM;
-
-        ts->read = max7301_spi_read;
-        ts->write = max7301_spi_write;
-        ts->dev = &spi->dev;
-
-        ret = __max730x_probe(ts);
-        if (ret)
-                kfree(ts);
-        return ret;
-}
-
-static int __devexit max7301_remove(struct spi_device *spi)
-{
-        return __max730x_remove(&spi->dev);
-}
-
-static const struct spi_device_id max7301_id[] = {
-        { "max7301", 0 },
-        { }
-};
-MODULE_DEVICE_TABLE(spi, max7301_id);
-
-static struct spi_driver max7301_driver = {
-        .driver = {
-                .name = "max7301",
-                .owner = THIS_MODULE,
-        },
-        .probe = max7301_probe,
-        .remove = __devexit_p(max7301_remove),
-        .id_table = max7301_id,
-};
-
-static int __init max7301_init(void)
-{
-        return spi_register_driver(&max7301_driver);
-}
-/* register after spi postcore initcall and before
- * subsys initcalls that may rely on these GPIOs
- */
-subsys_initcall(max7301_init);
-
-static void __exit max7301_exit(void)
-{
-        spi_unregister_driver(&max7301_driver);
-}
-module_exit(max7301_exit);
-
-MODULE_AUTHOR("Juergen Beisert, Wolfram Sang");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("MAX7301 GPIO-Expander");