5 files changed, 74 insertions, 14 deletions

diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile
index cef334a8c669..95f7c001fda1 100644
--- a/drivers/net/wireless/b43/Makefile
+++ b/drivers/net/wireless/b43/Makefile
@@ -1,4 +1,5 @@
 b43-y                           += main.o
+b43-y                           += bus.o
 b43-y                           += tables.o
 b43-$(CONFIG_B43_PHY_N)         += tables_nphy.o
 b43-$(CONFIG_B43_PHY_N)         += radio_2055.o
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 25a78cfb7d15..bb81ebcf512e 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -11,6 +11,7 @@
 #include "debugfs.h"
 #include "leds.h"
 #include "rfkill.h"
+#include "bus.h"
 #include "lo.h"
 #include "phy_common.h"
 
@@ -707,7 +708,8 @@ enum {
 
 /* Data structure for one wireless device (802.11 core) */
 struct b43_wldev {
-        struct ssb_device *sdev;
+        struct ssb_device *sdev; /* TODO: remove when b43_bus_dev is ready */
+        struct b43_bus_dev *dev;
         struct b43_wl *wl;
 
         /* The device initialization status.
diff --git a/drivers/net/wireless/b43/bus.c b/drivers/net/wireless/b43/bus.c
new file mode 100644
index 000000000000..f8ccd2cea3f9
--- /dev/null
+++ b/drivers/net/wireless/b43/bus.c
@@ -0,0 +1,36 @@
+/*
+
+  Broadcom B43 wireless driver
+  Bus abstraction layer
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+
+*/
+
+#include "b43.h"
+#include "bus.h"
+
+
+/* SSB */
+struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev)
+{
+        struct b43_bus_dev *dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+
+        dev->bus_type = B43_BUS_SSB;
+        dev->sdev = sdev;
+
+        return dev;
+}
diff --git a/drivers/net/wireless/b43/bus.h b/drivers/net/wireless/b43/bus.h
new file mode 100644
index 000000000000..68bc00a7458e
--- /dev/null
+++ b/drivers/net/wireless/b43/bus.h
@@ -0,0 +1,17 @@
+#ifndef B43_BUS_H_
+#define B43_BUS_H_
+
+enum b43_bus_type {
+        B43_BUS_SSB,
+};
+
+struct b43_bus_dev {
+        enum b43_bus_type bus_type;
+        union {
+                struct ssb_device *sdev;
+        };
+};
+
+struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev);
+
+#endif /* B43_BUS_H_ */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 1e81a0d6f543..6356fbc8aec1 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4845,7 +4845,7 @@ err_powerdown:
         return err;
 }
 
-static void b43_one_core_detach(struct ssb_device *dev)
+static void b43_one_core_detach(struct b43_bus_dev *dev)
 {
         struct b43_wldev *wldev;
         struct b43_wl *wl;
@@ -4853,17 +4853,17 @@ static void b43_one_core_detach(struct ssb_device *dev)
         /* Do not cancel ieee80211-workqueue based work here.
          * See comment in b43_remove(). */
 
-        wldev = ssb_get_drvdata(dev);
+        wldev = ssb_get_drvdata(dev->sdev);
         wl = wldev->wl;
         b43_debugfs_remove_device(wldev);
         b43_wireless_core_detach(wldev);
         list_del(&wldev->list);
         wl->nr_devs--;
-        ssb_set_drvdata(dev, NULL);
+        ssb_set_drvdata(dev->sdev, NULL);
         kfree(wldev);
 }
 
-static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
+static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl)
 {
         struct b43_wldev *wldev;
         int err = -ENOMEM;
@@ -4873,7 +4873,8 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
                 goto out;
 
         wldev->use_pio = b43_modparam_pio;
-        wldev->sdev = dev;
+        wldev->dev = dev;
+        wldev->sdev = dev->sdev; /* TODO: Remove when not needed */
         wldev->wl = wl;
         b43_set_status(wldev, B43_STAT_UNINIT);
         wldev->bad_frames_preempt = modparam_bad_frames_preempt;
@@ -4885,7 +4886,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
 
         list_add(&wldev->list, &wl->devlist);
         wl->nr_devs++;
-        ssb_set_drvdata(dev, wldev);
+        ssb_set_drvdata(dev->sdev, wldev);
         b43_debugfs_add_device(wldev);
 
       out:
@@ -4926,11 +4927,11 @@ static void b43_sprom_fixup(struct ssb_bus *bus)
         }
 }
 
-static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl)
+static void b43_wireless_exit(struct b43_bus_dev *dev, struct b43_wl *wl)
 {
         struct ieee80211_hw *hw = wl->hw;
 
-        ssb_set_devtypedata(dev, NULL);
+        ssb_set_devtypedata(dev->sdev, NULL);
         ieee80211_free_hw(hw);
 }
 
@@ -4985,10 +4986,13 @@ static struct b43_wl *b43_wireless_init(struct ssb_device *dev)
 static
 int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
 {
+        struct b43_bus_dev *dev;
         struct b43_wl *wl;
         int err;
         int first = 0;
 
+        dev = b43_bus_dev_ssb_init(sdev);
+
         wl = ssb_get_devtypedata(sdev);
         if (!wl) {
                 /* Probing the first core. Must setup common struct b43_wl */
@@ -5002,7 +5006,7 @@ int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
                 ssb_set_devtypedata(sdev, wl);
                 B43_WARN_ON(ssb_get_devtypedata(sdev) != wl);
         }
-        err = b43_one_core_attach(sdev, wl);
+        err = b43_one_core_attach(dev, wl);
         if (err)
                 goto err_wireless_exit;
 
@@ -5017,10 +5021,10 @@ int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
         return err;
 
       err_one_core_detach:
-        b43_one_core_detach(sdev);
+        b43_one_core_detach(dev);
       err_wireless_exit:
         if (first)
-                b43_wireless_exit(sdev, wl);
+                b43_wireless_exit(dev, wl);
         return err;
 }
 
@@ -5043,14 +5047,14 @@ static void b43_ssb_remove(struct ssb_device *sdev)
                 ieee80211_unregister_hw(wl->hw);
         }
 
-        b43_one_core_detach(sdev);
+        b43_one_core_detach(wldev->dev);
 
         if (list_empty(&wl->devlist)) {
                 b43_leds_unregister(wl);
                 /* Last core on the chip unregistered.
                  * We can destroy common struct b43_wl.
                  */
-                b43_wireless_exit(sdev, wl);
+                b43_wireless_exit(wldev->dev, wl);
         }
 }