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Based on 2 normalized pattern(s): 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 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 [based] [from] [clk] [highbank] [c] you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 355 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
154 lines
3.3 KiB
C
154 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
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Copyright (C) 2004 - 2009 Felix Fietkau <nbd@openwrt.org>
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<http://rt2x00.serialmonkey.com>
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*/
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/*
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Module: rt2x00soc
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Abstract: rt2x00 generic soc device routines.
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*/
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#include <linux/bug.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include "rt2x00.h"
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#include "rt2x00soc.h"
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static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev)
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{
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kfree(rt2x00dev->rf);
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rt2x00dev->rf = NULL;
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kfree(rt2x00dev->eeprom);
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rt2x00dev->eeprom = NULL;
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iounmap(rt2x00dev->csr.base);
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}
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static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev)
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{
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struct platform_device *pdev = to_platform_device(rt2x00dev->dev);
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struct resource *res;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -ENODEV;
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rt2x00dev->csr.base = ioremap(res->start, resource_size(res));
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if (!rt2x00dev->csr.base)
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return -ENOMEM;
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rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL);
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if (!rt2x00dev->eeprom)
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goto exit;
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rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL);
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if (!rt2x00dev->rf)
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goto exit;
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return 0;
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exit:
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rt2x00_probe_err("Failed to allocate registers\n");
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rt2x00soc_free_reg(rt2x00dev);
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return -ENOMEM;
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}
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int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
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{
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struct ieee80211_hw *hw;
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struct rt2x00_dev *rt2x00dev;
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int retval;
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hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
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if (!hw) {
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rt2x00_probe_err("Failed to allocate hardware\n");
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return -ENOMEM;
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}
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platform_set_drvdata(pdev, hw);
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rt2x00dev = hw->priv;
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rt2x00dev->dev = &pdev->dev;
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rt2x00dev->ops = ops;
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rt2x00dev->hw = hw;
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rt2x00dev->irq = platform_get_irq(pdev, 0);
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rt2x00dev->name = pdev->dev.driver->name;
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rt2x00dev->clk = clk_get(&pdev->dev, NULL);
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if (IS_ERR(rt2x00dev->clk))
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rt2x00dev->clk = NULL;
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rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
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retval = rt2x00soc_alloc_reg(rt2x00dev);
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if (retval)
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goto exit_free_device;
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retval = rt2x00lib_probe_dev(rt2x00dev);
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if (retval)
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goto exit_free_reg;
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return 0;
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exit_free_reg:
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rt2x00soc_free_reg(rt2x00dev);
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exit_free_device:
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ieee80211_free_hw(hw);
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return retval;
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}
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EXPORT_SYMBOL_GPL(rt2x00soc_probe);
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int rt2x00soc_remove(struct platform_device *pdev)
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{
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struct ieee80211_hw *hw = platform_get_drvdata(pdev);
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struct rt2x00_dev *rt2x00dev = hw->priv;
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/*
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* Free all allocated data.
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*/
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rt2x00lib_remove_dev(rt2x00dev);
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rt2x00soc_free_reg(rt2x00dev);
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ieee80211_free_hw(hw);
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return 0;
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}
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EXPORT_SYMBOL_GPL(rt2x00soc_remove);
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#ifdef CONFIG_PM
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int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state)
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{
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struct ieee80211_hw *hw = platform_get_drvdata(pdev);
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struct rt2x00_dev *rt2x00dev = hw->priv;
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return rt2x00lib_suspend(rt2x00dev, state);
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}
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EXPORT_SYMBOL_GPL(rt2x00soc_suspend);
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int rt2x00soc_resume(struct platform_device *pdev)
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{
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struct ieee80211_hw *hw = platform_get_drvdata(pdev);
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struct rt2x00_dev *rt2x00dev = hw->priv;
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return rt2x00lib_resume(rt2x00dev);
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}
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EXPORT_SYMBOL_GPL(rt2x00soc_resume);
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#endif /* CONFIG_PM */
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/*
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* rt2x00soc module information.
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*/
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MODULE_AUTHOR(DRV_PROJECT);
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MODULE_VERSION(DRV_VERSION);
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MODULE_DESCRIPTION("rt2x00 soc library");
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MODULE_LICENSE("GPL");
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