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authorRafał Miłecki <zajec5@gmail.com>2011-05-18 04:06:36 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-06-01 23:10:56 +0400
commit482f05386218a028309a71ad36066ee64b7a820d (patch)
tree9883faaf44a9766cd97b550178018ebd570be60b /drivers/net
parentaa63418aa72e4468838eea457a123057b1c7cd11 (diff)
downloadlinux-482f05386218a028309a71ad36066ee64b7a820d.tar.xz
b43: add bus device abstraction layer
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/b43/Makefile1
-rw-r--r--drivers/net/wireless/b43/b43.h4
-rw-r--r--drivers/net/wireless/b43/bus.c36
-rw-r--r--drivers/net/wireless/b43/bus.h17
-rw-r--r--drivers/net/wireless/b43/main.c30
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);
}
}