Release 4.11 drivers/net/wireless/ralink/rt2x00/rt2x00soc.c

/*
        Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
        Copyright (C) 2004 - 2009 Felix Fietkau <nbd@openwrt.org>
        <http://rt2x00.serialmonkey.com>

        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; either version 2 of the License, or
        (at your option) any later version.

        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

/*
        Module: rt2x00soc
        Abstract: rt2x00 generic soc device routines.
 */

#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>

#include "rt2x00.h"
#include "rt2x00soc.h"



static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)
{
	kfree(rt2x00dev->rf);
	rt2x00dev->rf = NULL;

	kfree(rt2x00dev->eeprom);
	rt2x00dev->eeprom = NULL;

	iounmap(rt2x00dev->csr.base);
}

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Gertjan van Wingerde
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19.57%
1
50.00%
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46
100.00%
2
100.00%



static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)
{
	struct platform_device *pdev = to_platform_device(rt2x00dev->dev);
	struct resource *res;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res)
		return -ENODEV;

	rt2x00dev->csr.base = ioremap(res->start, resource_size(res));
	if (!rt2x00dev->csr.base)
		return -ENOMEM;

	rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
	if (!rt2x00dev->eeprom)
		goto exit;

	rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
	if (!rt2x00dev->rf)
		goto exit;

	return 0;

exit:
	rt2x00_probe_err("Failed to allocate registers\n");
	rt2x00soc_free_reg(rt2x00dev);

	return -ENOMEM;
}

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Gertjan van Wingerde
10
6.76%
1
33.33%
Joe Perches
2
1.35%
1
33.33%
Total
148
100.00%
3
100.00%



int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
{
	struct ieee80211_hw *hw;
	struct rt2x00_dev *rt2x00dev;
	int retval;

	hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
	if (!hw) {
		rt2x00_probe_err("Failed to allocate hardware\n");
		return -ENOMEM;
	}

	platform_set_drvdata(pdev, hw);

	rt2x00dev = hw->priv;
	rt2x00dev->dev = &pdev->dev;
	rt2x00dev->ops = ops;
	rt2x00dev->hw = hw;
	rt2x00dev->irq = platform_get_irq(pdev, 0);
	rt2x00dev->name = pdev->dev.driver->name;

	rt2x00dev->clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(rt2x00dev->clk))
		rt2x00dev->clk = NULL;

	rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);

	retval = rt2x00soc_alloc_reg(rt2x00dev);
	if (retval)
		goto exit_free_device;

	retval = rt2x00lib_probe_dev(rt2x00dev);
	if (retval)
		goto exit_free_reg;

	return 0;

exit_free_reg:
	rt2x00soc_free_reg(rt2x00dev);

exit_free_device:
	ieee80211_free_hw(hw);

	return retval;
}
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1
16.67%
Stanislaw Gruszka
29
14.43%
2
33.33%
Gertjan van Wingerde
7
3.48%
2
33.33%
Joe Perches
2
1.00%
1
16.67%
Total
201
100.00%
6
100.00%


EXPORT_SYMBOL_GPL(rt2x00soc_probe);



int rt2x00soc_remove(struct platform_device *pdev)
{
	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
	struct rt2x00_dev *rt2x00dev = hw->priv;

	/*
         * Free all allocated data.
         */
	rt2x00lib_remove_dev(rt2x00dev);
	rt2x00soc_free_reg(rt2x00dev);
	ieee80211_free_hw(hw);

	return 0;
}
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EXPORT_SYMBOL_GPL(rt2x00soc_remove);

#ifdef CONFIG_PM


int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)
{
	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
	struct rt2x00_dev *rt2x00dev = hw->priv;

	return rt2x00lib_suspend(rt2x00dev, state);
}
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EXPORT_SYMBOL_GPL(rt2x00soc_suspend);



int rt2x00soc_resume(struct platform_device *pdev)
{
	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
	struct rt2x00_dev *rt2x00dev = hw->priv;

	return rt2x00lib_resume(rt2x00dev);
}
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100.00%


EXPORT_SYMBOL_GPL(rt2x00soc_resume);
#endif /* CONFIG_PM */

/*
 * rt2x00soc module information.
 */

MODULE_AUTHOR(DRV_PROJECT);

MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION("rt2x00 soc library");
MODULE_LICENSE("GPL");
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Ivo van Doorn
520
88.44%
1
10.00%
Stanislaw Gruszka
29
4.93%
2
20.00%
Gertjan van Wingerde
26
4.42%
3
30.00%
Helmut Schaa
5
0.85%
1
10.00%
Joe Perches
4
0.68%
1
10.00%
Tejun Heo
3
0.51%
1
10.00%
Jeff Kirsher
1
0.17%
1
10.00%
Total
588
100.00%
10
100.00%
Directory: drivers/net/wireless/ralink/rt2x00

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