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

   1 From 72542311c85de25b6f612e8de8cfdeb96efe7308 Mon Sep 17 00:00:00 2001
   2 From: Gabor Juhos <juhosg@openwrt.org>
   3 Date: Mon, 5 Jan 2009 10:59:29 +0100
   4 Subject: [PATCH v3 04/11] ath9k: introduce bus specific cleanup routine
   5
   6 We have left only some PCI specific cleanup code. We have to convert
   7 them as well.
   8
   9 Changes-licensed-under: ISC
  10
  11 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
  12 Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
  13 ---
  14  drivers/net/wireless/ath9k/core.h |    7 +++++++
  15  drivers/net/wireless/ath9k/main.c |   37 +++++++++++++++++++++++--------------
  16  2 files changed, 30 insertions(+), 14 deletions(-)
  17
  18 --- a/drivers/net/wireless/ath9k/core.h
  19 +++ b/drivers/net/wireless/ath9k/core.h
  20 @@ -695,6 +695,7 @@ enum PROT_MODE {
  21
  22  struct ath_bus_ops {
  23         void            (*read_cachesize)(struct ath_softc *sc, int *csz);
  24 +       void            (*cleanup)(struct ath_softc *sc);
  25  };
  26
  27  struct ath_softc {
  28 @@ -704,6 +705,7 @@ struct ath_softc {
  29         struct tasklet_struct bcon_tasklet;
  30         struct ath_hal *sc_ah;
  31         void __iomem *mem;
  32 +       int irq;
  33         spinlock_t sc_resetlock;
  34         struct mutex mutex;
  35
  36 @@ -760,4 +762,9 @@ static inline void ath_read_cachesize(st
  37         sc->bus_ops->read_cachesize(sc, csz);
  38  }
  39
  40 +static inline void ath_bus_cleanup(struct ath_softc *sc)
  41 +{
  42 +       sc->bus_ops->cleanup(sc);
  43 +}
  44 +
  45  #endif /* CORE_H */
  46 --- a/drivers/net/wireless/ath9k/main.c
  47 +++ b/drivers/net/wireless/ath9k/main.c
  48 @@ -39,6 +39,7 @@ static struct pci_device_id ath_pci_id_t
  49  };
  50
  51  static void ath_detach(struct ath_softc *sc);
  52 +static void ath_cleanup(struct ath_softc *sc);
  53
  54  /* return bus cachesize in 4B word units */
  55
  56 @@ -1269,13 +1270,7 @@ static int ath_start_rfkill_poll(struct
  57                         rfkill_free(sc->rf_kill.rfkill);
  58
  59                         /* Deinitialize the device */
  60 -                       ath_detach(sc);
  61 -                       if (to_pci_dev(sc->dev)->irq)
  62 -                               free_irq(to_pci_dev(sc->dev)->irq, sc);
  63 -                       pci_iounmap(to_pci_dev(sc->dev), sc->mem);
  64 -                       pci_release_region(to_pci_dev(sc->dev), 0);
  65 -                       pci_disable_device(to_pci_dev(sc->dev));
  66 -                       ieee80211_free_hw(sc->hw);
  67 +                       ath_cleanup(sc);
  68                         return -EIO;
  69                 } else {
  70                         sc->sc_flags |= SC_OP_RFKILL_REGISTERED;
  71 @@ -1286,6 +1281,14 @@ static int ath_start_rfkill_poll(struct
  72  }
  73  #endif /* CONFIG_RFKILL */
  74
  75 +static void ath_cleanup(struct ath_softc *sc)
  76 +{
  77 +       ath_detach(sc);
  78 +       free_irq(sc->irq, sc);
  79 +       ath_bus_cleanup(sc);
  80 +       ieee80211_free_hw(sc->hw);
  81 +}
  82 +
  83  static void ath_detach(struct ath_softc *sc)
  84  {
  85         struct ieee80211_hw *hw = sc->hw;
  86 @@ -2538,8 +2541,18 @@ ath_rf_name(u16 rf_version)
  87         return "????";
  88  }
  89
  90 +static void ath_pci_cleanup(struct ath_softc *sc)
  91 +{
  92 +       struct pci_dev *pdev = to_pci_dev(sc->dev);
  93 +
  94 +       pci_iounmap(pdev, sc->mem);
  95 +       pci_release_region(pdev, 0);
  96 +       pci_disable_device(pdev);
  97 +}
  98 +
  99  static struct ath_bus_ops ath_pci_bus_ops = {
 100         .read_cachesize = ath_pci_read_cachesize,
 101 +       .cleanup = ath_pci_cleanup,
 102  };
 103
 104  static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 105 @@ -2646,6 +2659,8 @@ static int ath_pci_probe(struct pci_dev
 106                 goto bad4;
 107         }
 108
 109 +       sc->irq = pdev->irq;
 110 +
 111         ah = sc->sc_ah;
 112         printk(KERN_INFO
 113                "%s: Atheros AR%s MAC/BB Rev:%x "
 114 @@ -2676,13 +2691,7 @@ static void ath_pci_remove(struct pci_de
 115         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 116         struct ath_softc *sc = hw->priv;
 117
 118 -       ath_detach(sc);
 119 -       if (pdev->irq)
 120 -               free_irq(pdev->irq, sc);
 121 -       pci_iounmap(pdev, sc->mem);
 122 -       pci_release_region(pdev, 0);
 123 -       pci_disable_device(pdev);
 124 -       ieee80211_free_hw(hw);
 125 +       ath_cleanup(sc);
 126  }
 127
 128  #ifdef CONFIG_PM