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freifunkist-firmware/package/mac80211/patches/307-rt2x00-Add-PM-support-f...

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From aef81259a944186a120d51e4462a5f974de99fb8 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sun, 15 Mar 2009 15:37:29 +0100
Subject: [PATCH] rt2x00: Add PM support for SoC (rt2800pci)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2800pci.c | 52 +++++++++++++++++++++++++++++--
1 files changed, 49 insertions(+), 3 deletions(-)
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -2934,7 +2934,7 @@ exit:
static int rt2800soc_probe(struct platform_device *pdev)
{
- const struct rt2x00_ops *ops = &rt2800pci_ops;
+ struct rt2x00_ops *ops = (struct rt2x00_ops *)pdev->driver->p;
struct ieee80211_hw *hw;
struct rt2x00_dev *rt2x00dev;
int retval;
@@ -2990,10 +2990,56 @@ static int rt2800soc_remove(struct platf
return 0;
}
+#ifdef CONFIG_PM
+int rt2x00soc_suspend(struct device *dev, pm_message_t state)
+{
+ struct ieee80211_hw *hw = dev_get_drvdata(dev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ retval = rt2x00lib_suspend(rt2x00dev, state);
+ if (retval)
+ return retval;
+
+ rt2800soc_free_reg(rt2x00dev);
+
+ return 0;
+}
+
+int rt2x00soc_resume(struct device *dev)
+{
+ struct ieee80211_hw *hw = dev_get_drvdata(dev);
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ int retval;
+
+ retval = rt2x00soc_alloc_reg(rt2x00dev);
+ if (retval)
+ return retval;
+
+ retval = rt2x00lib_resume(rt2x00dev);
+ if (retval)
+ goto exit_free_reg;
+
+ return 0;
+
+exit_free_reg:
+ rt2x00pci_free_reg(rt2x00dev);
+
+ return retval;
+}
+#endif /* CONFIG_PM */
+
static struct platform_driver rt2800soc_driver = {
- .driver.name = "rt2800_wmac",
+ .driver = {
+ .name = "rt2800_wmac",
+ .owner = THIS_MODULE,
+ .mod_name = KBUILD_MODNAME,
+ .p = &rt2800pci_ops;
+ }
.probe = rt2800soc_probe,
- .remove = rt2800soc_remove,
+ .remove = __devexit_p(rt2800soc_remove),
+ .suspend = rt2x00soc_suspend,
+ .resume = rt2x00soc_resume,
};
#endif /* CONFIG_RT2800PCI_WISOC */