openwrt-xburst/package/mac80211/patches/404-ath9k-introduce-bus-specific-cleanup-routine.patch

From 72542311c85de25b6f612e8de8cfdeb96efe7308 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Mon, 5 Jan 2009 10:59:29 +0100
Subject: [PATCH v3 04/11] ath9k: introduce bus specific cleanup routine

We have left only some PCI specific cleanup code. We have to convert
them as well.

Changes-licensed-under: ISC

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
---
 drivers/net/wireless/ath9k/core.h |    7 +++++++
 drivers/net/wireless/ath9k/main.c |   37 +++++++++++++++++++++++--------------
 2 files changed, 30 insertions(+), 14 deletions(-)

--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -695,6 +695,7 @@ enum PROT_MODE {
 
 struct ath_bus_ops {
 	void		(*read_cachesize)(struct ath_softc *sc, int *csz);
+	void		(*cleanup)(struct ath_softc *sc);
 };
 
 struct ath_softc {
@@ -704,6 +705,7 @@ struct ath_softc {
 	struct tasklet_struct bcon_tasklet;
 	struct ath_hal *sc_ah;
 	void __iomem *mem;
+	int irq;
 	spinlock_t sc_resetlock;
 	struct mutex mutex;
 
@@ -760,4 +762,9 @@ static inline void ath_read_cachesize(st
 	sc->bus_ops->read_cachesize(sc, csz);
 }
 
+static inline void ath_bus_cleanup(struct ath_softc *sc)
+{
+	sc->bus_ops->cleanup(sc);
+}
+
 #endif /* CORE_H */
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -39,6 +39,7 @@ static struct pci_device_id ath_pci_id_t
 };
 
 static void ath_detach(struct ath_softc *sc);
+static void ath_cleanup(struct ath_softc *sc);
 
 /* return bus cachesize in 4B word units */
 
@@ -1269,13 +1270,7 @@ static int ath_start_rfkill_poll(struct 
 			rfkill_free(sc->rf_kill.rfkill);
 
 			/* Deinitialize the device */
-			ath_detach(sc);
-			if (to_pci_dev(sc->dev)->irq)
-				free_irq(to_pci_dev(sc->dev)->irq, sc);
-			pci_iounmap(to_pci_dev(sc->dev), sc->mem);
-			pci_release_region(to_pci_dev(sc->dev), 0);
-			pci_disable_device(to_pci_dev(sc->dev));
-			ieee80211_free_hw(sc->hw);
+			ath_cleanup(sc);
 			return -EIO;
 		} else {
 			sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
@@ -1286,6 +1281,14 @@ static int ath_start_rfkill_poll(struct 
 }
 #endif /* CONFIG_RFKILL */
 
+static void ath_cleanup(struct ath_softc *sc)
+{
+	ath_detach(sc);
+	free_irq(sc->irq, sc);
+	ath_bus_cleanup(sc);
+	ieee80211_free_hw(sc->hw);
+}
+
 static void ath_detach(struct ath_softc *sc)
 {
 	struct ieee80211_hw *hw = sc->hw;
@@ -2538,8 +2541,18 @@ ath_rf_name(u16 rf_version)
 	return "????";
 }
 
+static void ath_pci_cleanup(struct ath_softc *sc)
+{
+	struct pci_dev *pdev = to_pci_dev(sc->dev);
+
+	pci_iounmap(pdev, sc->mem);
+	pci_release_region(pdev, 0);
+	pci_disable_device(pdev);
+}
+
 static struct ath_bus_ops ath_pci_bus_ops = {
 	.read_cachesize = ath_pci_read_cachesize,
+	.cleanup = ath_pci_cleanup,
 };
 
 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -2646,6 +2659,8 @@ static int ath_pci_probe(struct pci_dev 
 		goto bad4;
 	}
 
+	sc->irq = pdev->irq;
+
 	ah = sc->sc_ah;
 	printk(KERN_INFO
 	       "%s: Atheros AR%s MAC/BB Rev:%x "
@@ -2676,13 +2691,7 @@ static void ath_pci_remove(struct pci_de
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_softc *sc = hw->priv;
 
-	ath_detach(sc);
-	if (pdev->irq)
-		free_irq(pdev->irq, sc);
-	pci_iounmap(pdev, sc->mem);
-	pci_release_region(pdev, 0);
-	pci_disable_device(pdev);
-	ieee80211_free_hw(hw);
+	ath_cleanup(sc);
 }
 
 #ifdef CONFIG_PM