wl1271: Added alloc and free hw functions
Moved allocation and freeing of context structure of the driver to
separate functions from probe and remove functions.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 66fb9a0..2a864b2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -2025,23 +2025,17 @@
};
#define WL1271_DEFAULT_CHANNEL 0
-static int __devinit wl1271_probe(struct spi_device *spi)
+
+static struct ieee80211_hw *wl1271_alloc_hw(void)
{
- struct wl12xx_platform_data *pdata;
struct ieee80211_hw *hw;
struct wl1271 *wl;
- int ret, i;
-
- pdata = spi->dev.platform_data;
- if (!pdata) {
- wl1271_error("no platform data");
- return -ENODEV;
- }
+ int i;
hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
if (!hw) {
wl1271_error("could not alloc ieee80211_hw");
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
}
wl = hw->priv;
@@ -2050,8 +2044,6 @@
INIT_LIST_HEAD(&wl->list);
wl->hw = hw;
- dev_set_drvdata(&spi->dev, wl);
- wl->spi = spi;
skb_queue_head_init(&wl->tx_queue);
@@ -2078,6 +2070,54 @@
wl->state = WL1271_STATE_OFF;
mutex_init(&wl->mutex);
+ /* Apply default driver configuration. */
+ wl1271_conf_init(wl);
+
+ return hw;
+}
+
+int wl1271_free_hw(struct wl1271 *wl)
+{
+ ieee80211_unregister_hw(wl->hw);
+
+ wl1271_debugfs_exit(wl);
+
+ kfree(wl->target_mem_map);
+ vfree(wl->fw);
+ wl->fw = NULL;
+ kfree(wl->nvs);
+ wl->nvs = NULL;
+
+ kfree(wl->fw_status);
+ kfree(wl->tx_res_if);
+
+ ieee80211_free_hw(wl->hw);
+
+ return 0;
+}
+
+static int __devinit wl1271_probe(struct spi_device *spi)
+{
+ struct wl12xx_platform_data *pdata;
+ struct ieee80211_hw *hw;
+ struct wl1271 *wl;
+ int ret;
+
+ pdata = spi->dev.platform_data;
+ if (!pdata) {
+ wl1271_error("no platform data");
+ return -ENODEV;
+ }
+
+ hw = wl1271_alloc_hw();
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ wl = hw->priv;
+
+ dev_set_drvdata(&spi->dev, wl);
+ wl->spi = spi;
+
/* This is the only SPI value that we need to set here, the rest
* comes from the board-peripherals file */
spi->bits_per_word = 32;
@@ -2119,9 +2159,6 @@
}
dev_set_drvdata(&wl1271_device.dev, wl);
- /* Apply default driver configuration. */
- wl1271_conf_init(wl);
-
ret = wl1271_init_ieee80211(wl);
if (ret)
goto out_platform;
@@ -2152,21 +2189,10 @@
{
struct wl1271 *wl = dev_get_drvdata(&spi->dev);
- ieee80211_unregister_hw(wl->hw);
-
- wl1271_debugfs_exit(wl);
platform_device_unregister(&wl1271_device);
free_irq(wl->irq, wl);
- kfree(wl->target_mem_map);
- vfree(wl->fw);
- wl->fw = NULL;
- kfree(wl->nvs);
- wl->nvs = NULL;
- kfree(wl->fw_status);
- kfree(wl->tx_res_if);
-
- ieee80211_free_hw(wl->hw);
+ wl1271_free_hw(wl);
return 0;
}