wl12xx/wlcore: initial split of probe

We need to set some parameters (eg. partition and register tables)
during probe of the lower driver, so split the probe function, leaving
most of it in wlcore, but moving the hw struct allocation to the lower
driver.
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/ti/wl12xx/main.c

@@ -22,7 +22,26 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
+#include <linux/err.h>
+
 #include "../wlcore/wlcore.h"
+#include "../wlcore/debug.h"
+
+static int __devinit wl12xx_probe(struct platform_device *pdev)
+{
+	struct wl1271 *wl;
+	struct ieee80211_hw *hw;
+
+	hw = wlcore_alloc_hw();
+	if (IS_ERR(hw)) {
+		wl1271_error("can't allocate hw");
+		return PTR_ERR(hw);
+	}
+
+	wl = hw->priv;
+
+	return wlcore_probe(wl, pdev);
+}
 
 static const struct platform_device_id wl12xx_id_table[] __devinitconst = {
 	{ "wl12xx", 0 },
@@ -31,7 +50,7 @@ static const struct platform_device_id wl12xx_id_table[] __devinitconst = {
 MODULE_DEVICE_TABLE(platform, wl12xx_id_table);
 
 static struct platform_driver wl12xx_driver = {
-	.probe		= wlcore_probe,
+	.probe		= wl12xx_probe,
 	.remove		= __devexit_p(wlcore_remove),
 	.id_table	= wl12xx_id_table,
 	.driver = {

drivers/net/wireless/ti/wlcore/main.c

@@ -5287,7 +5287,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 
 #define WL1271_DEFAULT_CHANNEL 0
 
-static struct ieee80211_hw *wl1271_alloc_hw(void)
+struct ieee80211_hw *wlcore_alloc_hw(void)
 {
 	struct ieee80211_hw *hw;
 	struct wl1271 *wl;
@@ -5412,8 +5412,9 @@ static struct ieee80211_hw *wl1271_alloc_hw(void)
 
 	return ERR_PTR(ret);
 }
+EXPORT_SYMBOL_GPL(wlcore_alloc_hw);
 
-static int wl1271_free_hw(struct wl1271 *wl)
+int wlcore_free_hw(struct wl1271 *wl)
 {
 	/* Unblock any fwlog readers */
 	mutex_lock(&wl->mutex);
@@ -5447,6 +5448,7 @@ static int wl1271_free_hw(struct wl1271 *wl)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(wlcore_free_hw);
 
 static irqreturn_t wl12xx_hardirq(int irq, void *cookie)
 {
@@ -5477,22 +5479,12 @@ static irqreturn_t wl12xx_hardirq(int irq, void *cookie)
 	return IRQ_WAKE_THREAD;
 }
 
-int __devinit wlcore_probe(struct platform_device *pdev)
+int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev)
 {
 	struct wl12xx_platform_data *pdata = pdev->dev.platform_data;
-	struct ieee80211_hw *hw;
-	struct wl1271 *wl;
 	unsigned long irqflags;
-	int ret = -ENODEV;
-
-	hw = wl1271_alloc_hw();
-	if (IS_ERR(hw)) {
-		wl1271_error("can't allocate hw");
-		ret = PTR_ERR(hw);
-		goto out;
-	}
+	int ret;
 
-	wl = hw->priv;
 	wl->irq = platform_get_irq(pdev, 0);
 	wl->ref_clock = pdata->board_ref_clock;
 	wl->tcxo_clock = pdata->board_tcxo_clock;
@@ -5521,7 +5513,7 @@ int __devinit wlcore_probe(struct platform_device *pdev)
 		wl->irq_wake_enabled = true;
 		device_init_wakeup(wl->dev, 1);
 		if (pdata->pwr_in_suspend)
-			hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
+			wl->hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY;
 
 	}
 	disable_irq(wl->irq);
@@ -5555,7 +5547,7 @@ int __devinit wlcore_probe(struct platform_device *pdev)
 		goto out_hw_pg_ver;
 	}
 
-	return 0;
+	goto out;
 
 out_hw_pg_ver:
 	device_remove_file(wl->dev, &dev_attr_hw_pg_ver);
@@ -5567,7 +5559,7 @@ int __devinit wlcore_probe(struct platform_device *pdev)
 	free_irq(wl->irq, wl);
 
 out_free_hw:
-	wl1271_free_hw(wl);
+	wlcore_free_hw(wl);
 
 out:
 	return ret;
@@ -5584,7 +5576,7 @@ int __devexit wlcore_remove(struct platform_device *pdev)
 	}
 	wl1271_unregister_hw(wl);
 	free_irq(wl->irq, wl);
-	wl1271_free_hw(wl);
+	wlcore_free_hw(wl);
 
 	return 0;
 }

drivers/net/wireless/ti/wlcore/wlcore.h

@@ -22,7 +22,12 @@
 #ifndef __WLCORE_H__
 #define __WLCORE_H__
 
-int __devinit wlcore_probe(struct platform_device *pdev);
+#include "wl12xx.h"
+
+int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
 int __devexit wlcore_remove(struct platform_device *pdev);
+struct ieee80211_hw *wlcore_alloc_hw(void);
+int wlcore_free_hw(struct wl1271 *wl);
+
 
 #endif /* __WLCORE_H__ */