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path: root/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2800soc.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800soc.c110
1 files changed, 105 insertions, 5 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
index 701ba54bf3e5..8f510a84e7f1 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800soc.c
@@ -18,11 +18,11 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "rt2x00.h"
#include "rt2x00mmio.h"
-#include "rt2x00soc.h"
#include "rt2800.h"
#include "rt2800lib.h"
#include "rt2800mmio.h"
@@ -131,6 +131,24 @@ static int rt2800soc_write_firmware(struct rt2x00_dev *rt2x00dev,
return 0;
}
+#ifdef CONFIG_PM
+static int rt2800soc_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);
+}
+
+static int rt2800soc_resume(struct platform_device *pdev)
+{
+ struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+
+ return rt2x00lib_resume(rt2x00dev);
+}
+#endif /* CONFIG_PM */
+
static const struct ieee80211_ops rt2800soc_mac80211_ops = {
.add_chanctx = ieee80211_emulate_add_chanctx,
.remove_chanctx = ieee80211_emulate_remove_chanctx,
@@ -238,20 +256,102 @@ static const struct rt2x00_ops rt2800soc_ops = {
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
};
+static int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
+{
+ struct rt2x00_dev *rt2x00dev;
+ struct ieee80211_hw *hw;
+ void __iomem *mem;
+ struct clk *clk;
+ __le16 *eeprom;
+ int retval;
+ u32 *rf;
+ int irq;
+
+ mem = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(mem))
+ return PTR_ERR(mem);
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
+ clk = devm_clk_get_optional(&pdev->dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ eeprom = devm_kzalloc(&pdev->dev, ops->eeprom_size, GFP_KERNEL);
+ if (!eeprom)
+ return -ENOMEM;
+
+ rf = devm_kzalloc(&pdev->dev, ops->rf_size, GFP_KERNEL);
+ if (!rf)
+ return -ENOMEM;
+
+ hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
+ if (!hw)
+ return dev_err_probe(&pdev->dev, -ENOMEM, "Failed to allocate hardware");
+
+ platform_set_drvdata(pdev, hw);
+
+ rt2x00dev = hw->priv;
+ rt2x00dev->dev = &pdev->dev;
+ rt2x00dev->ops = ops;
+ rt2x00dev->hw = hw;
+ rt2x00dev->irq = irq;
+ rt2x00dev->clk = clk;
+ rt2x00dev->eeprom = eeprom;
+ rt2x00dev->rf = rf;
+ rt2x00dev->name = pdev->dev.driver->name;
+ rt2x00dev->csr.base = mem;
+
+ rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
+
+ retval = rt2x00lib_probe_dev(rt2x00dev);
+ if (retval)
+ goto exit_free_device;
+
+ return 0;
+
+exit_free_device:
+ ieee80211_free_hw(hw);
+
+ return retval;
+}
+
static int rt2800soc_probe(struct platform_device *pdev)
{
return rt2x00soc_probe(pdev, &rt2800soc_ops);
}
+static void rt2800soc_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);
+ ieee80211_free_hw(hw);
+}
+
+static const struct of_device_id rt2880_wmac_match[] = {
+ { .compatible = "ralink,rt2880-wifi" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rt2880_wmac_match);
+
static struct platform_driver rt2800soc_driver = {
.driver = {
.name = "rt2800_wmac",
- .mod_name = KBUILD_MODNAME,
+ .of_match_table = rt2880_wmac_match,
},
.probe = rt2800soc_probe,
- .remove = rt2x00soc_remove,
- .suspend = rt2x00soc_suspend,
- .resume = rt2x00soc_resume,
+ .remove = rt2800soc_remove,
+#ifdef CONFIG_PM
+ .suspend = rt2800soc_suspend,
+ .resume = rt2800soc_resume,
+#endif
};
module_platform_driver(rt2800soc_driver);