1 files changed, 51 insertions, 31 deletions

diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index b5b651413e77..09f69a9617f4 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -16,6 +16,7 @@
 
 #include <linux/nl80211.h>
 #include <linux/pci.h>
+#include <linux/ath9k_platform.h>
 #include "ath9k.h"
 
 static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
@@ -53,21 +54,36 @@ static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 
 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
-	struct ath_hw *ah = (struct ath_hw *) common->ah;
-
-	common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
-
-	if (!ath9k_hw_wait(ah,
-			   AR_EEPROM_STATUS_DATA,
-			   AR_EEPROM_STATUS_DATA_BUSY |
-			   AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
-			   AH_WAIT_TIMEOUT)) {
-		return false;
+	struct ath_softc *sc = (struct ath_softc *) common->priv;
+	struct ath9k_platform_data *pdata = sc->dev->platform_data;
+
+	if (pdata) {
+		if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
+			ath_print(common, ATH_DBG_FATAL,
+				  "%s: eeprom read failed, offset %08x "
+				  "is out of range\n",
+				  __func__, off);
+		}
+
+		*data = pdata->eeprom_data[off];
+	} else {
+		struct ath_hw *ah = (struct ath_hw *) common->ah;
+
+		common->ops->read(ah, AR5416_EEPROM_OFFSET +
+				      (off << AR5416_EEPROM_S));
+
+		if (!ath9k_hw_wait(ah,
+				   AR_EEPROM_STATUS_DATA,
+				   AR_EEPROM_STATUS_DATA_BUSY |
+				   AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
+				   AH_WAIT_TIMEOUT)) {
+			return false;
+		}
+
+		*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
+			   AR_EEPROM_STATUS_DATA_VAL);
 	}
 
-	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
-		   AR_EEPROM_STATUS_DATA_VAL);
-
 	return true;
 }
 
@@ -247,34 +263,25 @@ static void ath_pci_remove(struct pci_dev *pdev)
 
 #ifdef CONFIG_PM
 
-static int ath_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int ath_pci_suspend(struct device *device)
 {
+	struct pci_dev *pdev = to_pci_dev(device);
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 
 	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);
 
-	pci_save_state(pdev);
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, PCI_D3hot);
-
 	return 0;
 }
 
-static int ath_pci_resume(struct pci_dev *pdev)
+static int ath_pci_resume(struct device *device)
 {
+	struct pci_dev *pdev = to_pci_dev(device);
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_wiphy *aphy = hw->priv;
 	struct ath_softc *sc = aphy->sc;
 	u32 val;
-	int err;
-
-	pci_restore_state(pdev);
-
-	err = pci_enable_device(pdev);
-	if (err)
-		return err;
 
 	/*
 	 * Suspend/Resume resets the PCI configuration space, so we have to
@@ -293,7 +300,23 @@ static int ath_pci_resume(struct pci_dev *pdev)
 	return 0;
 }
 
-#endif /* CONFIG_PM */
+static const struct dev_pm_ops ath9k_pm_ops = {
+	.suspend = ath_pci_suspend,
+	.resume = ath_pci_resume,
+	.freeze = ath_pci_suspend,
+	.thaw = ath_pci_resume,
+	.poweroff = ath_pci_suspend,
+	.restore = ath_pci_resume,
+};
+
+#define ATH9K_PM_OPS	(&ath9k_pm_ops)
+
+#else /* !CONFIG_PM */
+
+#define ATH9K_PM_OPS	NULL
+
+#endif /* !CONFIG_PM */
+
 
 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
 
@@ -302,10 +325,7 @@ static struct pci_driver ath_pci_driver = {
 	.id_table   = ath_pci_id_table,
 	.probe      = ath_pci_probe,
 	.remove     = ath_pci_remove,
-#ifdef CONFIG_PM
-	.suspend    = ath_pci_suspend,
-	.resume     = ath_pci_resume,
-#endif /* CONFIG_PM */
+	.driver.pm  = ATH9K_PM_OPS,
 };
 
 int ath_pci_init(void)