Openwrt/package/madwifi/patches/109-soc_platform.patch

diff -ur madwifi.old/ath/if_ath_ahb.c madwifi.dev/ath/if_ath_ahb.c
--- madwifi.old/ath/if_ath_ahb.c	2006-12-16 00:57:08.000000000 +0100
+++ madwifi.dev/ath/if_ath_ahb.c	2006-12-16 01:29:38.000000000 +0100
@@ -17,6 +17,9 @@
 #include <linux/if.h>
 #include <linux/netdevice.h>
 #include <linux/cache.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+#include <linux/platform_device.h>
+#endif
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -39,6 +42,7 @@
 static struct ath_ahb_softc *sclist[2] = {NULL, NULL};
 static u_int8_t num_activesc = 0;
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
 static struct ar531x_boarddata *ar5312_boardConfig = NULL;
 static char *radioConfig = NULL;
 
@@ -136,6 +140,8 @@
 		data[i] = eepromAddr[off];
 }
 
+#endif
+
 /* set bus cachesize in 4B word units */
 void
 bus_read_cachesize(struct ath_softc *sc, u_int8_t *csz)
@@ -295,7 +301,7 @@
 }
 
 int
-init_ath_wmac(u_int16_t devid, u_int16_t wlanNum)
+init_ath_wmac(u_int16_t devid, u_int16_t wlanNum, struct ar531x_config *config)
 {
 	const char *athname;
 	struct net_device *dev;
@@ -352,12 +358,7 @@
 		goto bad3;
 	}
 	
-	struct ar531x_config config;
-	config.board = ar5312_boardConfig;
-	config.radio = radioConfig;
-	config.unit = wlanNum;
-	config.tag = NULL;
-	if (ath_attach(devid, dev, &config) != 0)
+	if (ath_attach(devid, dev, config) != 0)
 		goto bad4;
 	athname = ath_hal_probe(ATHEROS_VENDOR_ID, devid);
 	printk(KERN_INFO "%s: %s: mem=0x%lx, irq=%d\n",
@@ -379,13 +380,55 @@
 	return -ENODEV;
 }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+static int ahb_wmac_probe(struct platform_device *pdev)
+{
+	u32 devid;
+	struct ar531x_config *config;
+
+	config = (struct ar531x_config *) pdev->dev.platform_data;
+	devid = (u32) config->tag;
+	config->tag = NULL;
+	
+	return init_ath_wmac((u_int16_t) devid, pdev->id, config);
+}
+
+
+static int ahb_wmac_remove(struct platform_device *pdev)
+{
+	exit_ath_wmac(pdev->id);
+
+	return 0;
+}
+
+struct platform_driver ahb_wmac_driver = {
+	.driver.name = "ar531x-wmac",
+	.probe = ahb_wmac_probe,
+	.remove = ahb_wmac_remove
+};
+
+#else
+
 int
 init_ahb(void)
 {
 	int ret;
 	u_int16_t devid, radioMask;
 	const char *sysType;
+	struct ar531x_config config;
+	
 	sysType = get_system_type();
+	
+	/* Probe to find out the silicon revision and enable the
+	   correct number of macs */
+	if (!ar5312SetupFlash())
+		return -ENODEV;
+
+	config.board = ar5312_boardConfig;
+	config.radio = radioConfig;
+	config.unit = wlanNum;
+	config.tag = NULL;
+
 	if (!strcmp(sysType,"Atheros AR5315")) {
 		devid = (u_int16_t) (sysRegRead(AR5315_SREV) &
 			(AR5315_REV_MAJ_M | AR5315_REV_MIN_M));
@@ -393,10 +436,6 @@
 			return init_ath_wmac(devid, 0);
 	}
 
-	/* Probe to find out the silicon revision and enable the
-	   correct number of macs */
-	if (!ar5312SetupFlash())
-		return -ENODEV;
 	devid = (u_int16_t) ((sysRegRead(AR531X_REV) >>8) &
 		(AR531X_REV_MAJ | AR531X_REV_MIN));
 	switch (devid) {
@@ -420,6 +459,7 @@
 	return 0;
 }
 
+#endif
 
 /*
  * Module glue.
@@ -460,13 +500,19 @@
 {
 	printk(KERN_INFO "%s: %s\n", dev_info, version);
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+	platform_driver_register(&ahb_wmac_driver);
+#else
 	if (init_ahb() != 0) {
 		printk("ath_ahb: No devices found, driver not installed.\n");
 		return (-ENODEV);
 	}
+#endif
+
 #ifdef CONFIG_SYSCTL
 	ath_sysctl_register();
 #endif
+
 	return 0;
 }
 module_init(init_ath_ahb);
@@ -477,8 +523,13 @@
 #ifdef CONFIG_SYSCTL
 	ath_sysctl_unregister();
 #endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+	platform_driver_register(&ahb_wmac_driver);
+#else
 	exit_ath_wmac(AR531X_WLAN0_NUM);
 	exit_ath_wmac(AR531X_WLAN1_NUM);
+#endif
 
 	printk(KERN_INFO "%s: driver unloaded\n", dev_info);
 }