viafb: Turn GPIO and i2c into proper platform devices

Another step toward making this thing a real multifunction device driver.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 26 insertions, 3 deletions

diff --git a/drivers/video/via/via_i2c.c b/drivers/video/via/via_i2c.c
index 116fd3e62934..3ff60b280d88 100644
--- a/drivers/video/via/via_i2c.c
+++ b/drivers/video/via/via_i2c.c
@@ -19,6 +19,7 @@
  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include <linux/platform_device.h>
 #include "via-core.h"
 #include "via_i2c.h"
 #include "global.h"
@@ -185,11 +186,14 @@ static int create_i2c_bus(struct i2c_adapter *adapter,
         return i2c_bit_add_bus(adapter);
 }
 
-int viafb_create_i2c_busses(struct viafb_dev *dev, struct via_port_cfg *configs)
+static int viafb_i2c_probe(struct platform_device *platdev)
 {
         int i, ret;
+        struct via_port_cfg *configs;
+
+        i2c_vdev = platdev->dev.platform_data;
+        configs = i2c_vdev->port_cfg;
 
-        i2c_vdev = dev;
         for (i = 0; i < VIAFB_NUM_PORTS; i++) {
                 struct via_port_cfg *adap_cfg = configs++;
                 struct via_i2c_stuff *i2c_stuff = &via_i2c_par[i];
@@ -211,7 +215,7 @@ int viafb_create_i2c_busses(struct viafb_dev *dev, struct via_port_cfg *configs)
         return 0;
 }
 
-void viafb_delete_i2c_busses(void)
+static int viafb_i2c_remove(struct platform_device *platdev)
 {
         int i;
 
@@ -224,4 +228,23 @@ void viafb_delete_i2c_busses(void)
                 if (i2c_stuff->adapter.algo_data == &i2c_stuff->algo)
                         i2c_del_adapter(&i2c_stuff->adapter);
         }
+        return 0;
+}
+
+static struct platform_driver via_i2c_driver = {
+        .driver = {
+                .name = "viafb-i2c",
+        },
+        .probe = viafb_i2c_probe,
+        .remove = viafb_i2c_remove,
+};
+
+int viafb_i2c_init(void)
+{
+        return platform_driver_register(&via_i2c_driver);
+}
+
+void viafb_i2c_exit(void)
+{
+        platform_driver_unregister(&via_i2c_driver);
 }