wl1251: register platform_device to pass board data

[pandora-wifi.git] / drivers / net / wireless / wl12xx / wl1251_sdio.c

diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c
index 2051ef0..7409c34 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c
@@ -23,6 +23,8 @@
 #include <linux/mod_devicetable.h>
 #include <linux/mmc/sdio_func.h>
 #include <linux/mmc/sdio_ids.h>
+#include <linux/platform_device.h>
+#include <linux/spi/wl12xx.h>
 
 #include "wl1251.h"
 
@@ -34,6 +36,8 @@
 #define SDIO_DEVICE_ID_TI_WL1251       0x9066
 #endif
 
+static struct wl12xx_platform_data *wl12xx_board_data;
+
 static struct sdio_func *wl_to_func(struct wl1251 *wl)
 {
        return wl->if_priv;
@@ -144,6 +148,30 @@ static const struct wl1251_if_operations wl1251_sdio_ops = {
        .disable_irq = wl1251_sdio_disable_irq,
 };
 
+static int wl1251_platform_probe(struct platform_device *pdev)
+{
+       if (pdev->id != -1) {
+               wl1251_error("can only handle single device");
+               return -ENODEV;
+       }
+
+       wl12xx_board_data = pdev->dev.platform_data;
+       return 0;
+}
+
+/*
+ * Dummy platform_driver for passing platform_data to this driver,
+ * until we have a way to pass this through SDIO subsystem or
+ * some other way.
+ */
+static struct platform_driver wl1251_platform_driver = {
+       .driver = {
+               .name   = "wl1251_data",
+               .owner  = THIS_MODULE,
+       },
+       .probe  = wl1251_platform_probe,
+};
+
 static int wl1251_sdio_probe(struct sdio_func *func,
                             const struct sdio_device_id *id)
 {
@@ -169,6 +197,11 @@ static int wl1251_sdio_probe(struct sdio_func *func,
        wl->if_ops = &wl1251_sdio_ops;
        wl->set_power = wl1251_sdio_set_power;
 
+       if (wl12xx_board_data != NULL) {
+               wl->set_power = wl12xx_board_data->set_power;
+               wl->use_eeprom = wl12xx_board_data->use_eeprom;
+       }
+
        sdio_release_host(func);
        ret = wl1251_init_ieee80211(wl);
        if (ret)
@@ -208,6 +241,12 @@ static int __init wl1251_sdio_init(void)
 {
        int err;
 
+       err = platform_driver_register(&wl1251_platform_driver);
+       if (err) {
+               wl1251_error("failed to register platform driver: %d", err);
+               return err;
+       }
+
        err = sdio_register_driver(&wl1251_sdio_driver);
        if (err)
                wl1251_error("failed to register sdio driver: %d", err);
@@ -217,6 +256,7 @@ static int __init wl1251_sdio_init(void)
 static void __exit wl1251_sdio_exit(void)
 {
        sdio_unregister_driver(&wl1251_sdio_driver);
+       platform_driver_unregister(&wl1251_platform_driver);
        wl1251_notice("unloaded");
 }