OMAPDSS: DSS: remove legacy dss bus support

With all the old panels removed and all the old panel model APIs removed
from the DSS encoders, we can now remove the custom omapdss-bus which
was used in the old panel model.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Archit Taneja <archit@ti.com>

diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 71e6a77ec687a67b22b64752e97f506a89e3e873..415b5d6385fc1ce3e458c0a8e007b85d51d24aca 100644 (file)
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -248,235 +248,6 @@ static struct platform_driver omap_dss_driver = {
        },
 };
 
-/* BUS */
-static int dss_bus_match(struct device *dev, struct device_driver *driver)
-{
-       struct omap_dss_device *dssdev = to_dss_device(dev);
-
-       DSSDBG("bus_match. dev %s/%s, drv %s\n",
-                       dev_name(dev), dssdev->driver_name, driver->name);
-
-       return strcmp(dssdev->driver_name, driver->name) == 0;
-}
-
-static struct bus_type dss_bus_type = {
-       .name = "omapdss",
-       .match = dss_bus_match,
-};
-
-static void dss_bus_release(struct device *dev)
-{
-       DSSDBG("bus_release\n");
-}
-
-static struct device dss_bus = {
-       .release = dss_bus_release,
-};
-
-struct bus_type *dss_get_bus(void)
-{
-       return &dss_bus_type;
-}
-
-/* DRIVER */
-static int dss_driver_probe(struct device *dev)
-{
-       int r;
-       struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
-       struct omap_dss_device *dssdev = to_dss_device(dev);
-
-       DSSDBG("driver_probe: dev %s/%s, drv %s\n",
-                               dev_name(dev), dssdev->driver_name,
-                               dssdrv->driver.name);
-
-       r = dssdrv->probe(dssdev);
-
-       if (r) {
-               DSSERR("driver probe failed: %d\n", r);
-               return r;
-       }
-
-       DSSDBG("probe done for device %s\n", dev_name(dev));
-
-       dssdev->driver = dssdrv;
-
-       return 0;
-}
-
-static int dss_driver_remove(struct device *dev)
-{
-       struct omap_dss_driver *dssdrv = to_dss_driver(dev->driver);
-       struct omap_dss_device *dssdev = to_dss_device(dev);
-
-       DSSDBG("driver_remove: dev %s/%s\n", dev_name(dev),
-                       dssdev->driver_name);
-
-       dssdrv->remove(dssdev);
-
-       dssdev->driver = NULL;
-
-       return 0;
-}
-
-static int omapdss_default_connect(struct omap_dss_device *dssdev)
-{
-       struct omap_dss_device *out;
-       struct omap_overlay_manager *mgr;
-       int r;
-
-       out = dssdev->output;
-
-       if (out == NULL)
-               return -ENODEV;
-
-       mgr = omap_dss_get_overlay_manager(out->dispc_channel);
-       if (!mgr)
-               return -ENODEV;
-
-       r = dss_mgr_connect(mgr, out);
-       if (r)
-               return r;
-
-       return 0;
-}
-
-static void omapdss_default_disconnect(struct omap_dss_device *dssdev)
-{
-       struct omap_dss_device *out;
-       struct omap_overlay_manager *mgr;
-
-       out = dssdev->output;
-
-       if (out == NULL)
-               return;
-
-       mgr = out->manager;
-
-       if (mgr == NULL)
-               return;
-
-       dss_mgr_disconnect(mgr, out);
-}
-
-int omap_dss_register_driver(struct omap_dss_driver *dssdriver)
-{
-       dssdriver->driver.bus = &dss_bus_type;
-       dssdriver->driver.probe = dss_driver_probe;
-       dssdriver->driver.remove = dss_driver_remove;
-
-       if (dssdriver->get_resolution == NULL)
-               dssdriver->get_resolution = omapdss_default_get_resolution;
-       if (dssdriver->get_recommended_bpp == NULL)
-               dssdriver->get_recommended_bpp =
-                       omapdss_default_get_recommended_bpp;
-       if (dssdriver->get_timings == NULL)
-               dssdriver->get_timings = omapdss_default_get_timings;
-       if (dssdriver->connect == NULL)
-               dssdriver->connect = omapdss_default_connect;
-       if (dssdriver->disconnect == NULL)
-               dssdriver->disconnect = omapdss_default_disconnect;
-
-       return driver_register(&dssdriver->driver);
-}
-EXPORT_SYMBOL(omap_dss_register_driver);
-
-void omap_dss_unregister_driver(struct omap_dss_driver *dssdriver)
-{
-       driver_unregister(&dssdriver->driver);
-}
-EXPORT_SYMBOL(omap_dss_unregister_driver);
-
-/* DEVICE */
-
-static void omap_dss_dev_release(struct device *dev)
-{
-       struct omap_dss_device *dssdev = to_dss_device(dev);
-       kfree(dssdev);
-}
-
-static int disp_num_counter;
-
-struct omap_dss_device *dss_alloc_and_init_device(struct device *parent)
-{
-       struct omap_dss_device *dssdev;
-
-       dssdev = kzalloc(sizeof(*dssdev), GFP_KERNEL);
-       if (!dssdev)
-               return NULL;
-
-       dssdev->old_dev.bus = &dss_bus_type;
-       dssdev->old_dev.parent = parent;
-       dssdev->old_dev.release = omap_dss_dev_release;
-       dev_set_name(&dssdev->old_dev, "display%d", disp_num_counter++);
-
-       device_initialize(&dssdev->old_dev);
-
-       return dssdev;
-}
-
-int dss_add_device(struct omap_dss_device *dssdev)
-{
-       dssdev->dev = &dssdev->old_dev;
-
-       omapdss_register_display(dssdev);
-       return device_add(&dssdev->old_dev);
-}
-
-void dss_put_device(struct omap_dss_device *dssdev)
-{
-       put_device(&dssdev->old_dev);
-}
-
-void dss_unregister_device(struct omap_dss_device *dssdev)
-{
-       device_unregister(&dssdev->old_dev);
-       omapdss_unregister_display(dssdev);
-}
-
-static int dss_unregister_dss_dev(struct device *dev, void *data)
-{
-       struct omap_dss_device *dssdev = to_dss_device(dev);
-       dss_unregister_device(dssdev);
-       return 0;
-}
-
-void dss_unregister_child_devices(struct device *parent)
-{
-       device_for_each_child(parent, NULL, dss_unregister_dss_dev);
-}
-
-void dss_copy_device_pdata(struct omap_dss_device *dst,
-               const struct omap_dss_device *src)
-{
-       u8 *d = (u8 *)dst;
-       u8 *s = (u8 *)src;
-       size_t dsize = sizeof(struct device);
-
-       memcpy(d + dsize, s + dsize, sizeof(struct omap_dss_device) - dsize);
-}
-
-/* BUS */
-static int __init omap_dss_bus_register(void)
-{
-       int r;
-
-       r = bus_register(&dss_bus_type);
-       if (r) {
-               DSSERR("bus register failed\n");
-               return r;
-       }
-
-       dev_set_name(&dss_bus, "omapdss");
-       r = device_register(&dss_bus);
-       if (r) {
-               DSSERR("bus driver register failed\n");
-               bus_unregister(&dss_bus_type);
-               return r;
-       }
-
-       return 0;
-}
-
 /* INIT */
 static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
 #ifdef CONFIG_OMAP2_DSS_DSI
@@ -522,7 +293,7 @@ static void (*dss_output_drv_unreg_funcs[])(void) __exitdata = {
 
 static bool dss_output_drv_loaded[ARRAY_SIZE(dss_output_drv_reg_funcs)];
 
-static int __init omap_dss_register_drivers(void)
+static int __init omap_dss_init(void)
 {
        int r;
        int i;
@@ -553,6 +324,8 @@ static int __init omap_dss_register_drivers(void)
                        dss_output_drv_loaded[i] = true;
        }
 
+       dss_initialized = true;
+
        return 0;
 
 err_dispc:
@@ -563,7 +336,7 @@ err_dss:
        return r;
 }
 
-static void __exit omap_dss_unregister_drivers(void)
+static void __exit omap_dss_exit(void)
 {
        int i;
 
@@ -578,64 +351,8 @@ static void __exit omap_dss_unregister_drivers(void)
        platform_driver_unregister(&omap_dss_driver);
 }
 
-#ifdef CONFIG_OMAP2_DSS_MODULE
-static void omap_dss_bus_unregister(void)
-{
-       device_unregister(&dss_bus);
-
-       bus_unregister(&dss_bus_type);
-}
-
-static int __init omap_dss_init(void)
-{
-       int r;
-
-       r = omap_dss_bus_register();
-       if (r)
-               return r;
-
-       r = omap_dss_register_drivers();
-       if (r) {
-               omap_dss_bus_unregister();
-               return r;
-       }
-
-       dss_initialized = true;
-
-       return 0;
-}
-
-static void __exit omap_dss_exit(void)
-{
-       omap_dss_unregister_drivers();
-
-       omap_dss_bus_unregister();
-}
-
 module_init(omap_dss_init);
 module_exit(omap_dss_exit);
-#else
-static int __init omap_dss_init(void)
-{
-       return omap_dss_bus_register();
-}
-
-static int __init omap_dss_init2(void)
-{
-       int r;
-
-       r = omap_dss_register_drivers();
-       if (r)
-               return r;
-
-       dss_initialized = true;
-
-       return 0;
-}
-
-core_initcall(omap_dss_init);
-device_initcall(omap_dss_init2);
-#endif
 
 MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
 MODULE_DESCRIPTION("OMAP2/3 Display Subsystem");

diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 68dd27f21a25d8d56fd966341f77e794af1c0991..e172531d196bd2f09320af18797560f3bf606d4e 100644 (file)
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -163,20 +163,11 @@ struct platform_device;
 
 /* core */
 struct platform_device *dss_get_core_pdev(void);
-struct bus_type *dss_get_bus(void);
 int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
 void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
 int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
 
-struct omap_dss_device *dss_alloc_and_init_device(struct device *parent);
-int dss_add_device(struct omap_dss_device *dssdev);
-void dss_unregister_device(struct omap_dss_device *dssdev);
-void dss_unregister_child_devices(struct device *parent);
-void dss_put_device(struct omap_dss_device *dssdev);
-void dss_copy_device_pdata(struct omap_dss_device *dst,
-               const struct omap_dss_device *src);
-
 /* display */
 int dss_suspend_all_devices(void);
 int dss_resume_all_devices(void);

diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index ca04b56c8f9de0e63731f5bbf57541a57added11..763b11b5815352ed9f3f7909e62f6f119de11de7 100644 (file)
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -703,10 +703,6 @@ struct omapdss_dsi_ops {
 };
 
 struct omap_dss_device {
-       /* old device, to be removed */
-       struct device old_dev;
-
-       /* new device, pointer to panel device */
        struct device *dev;
 
        struct module *owner;
@@ -808,8 +804,6 @@ struct omap_dss_hdmi_data
 };
 
 struct omap_dss_driver {
-       struct device_driver driver;
-
        int (*probe)(struct omap_dss_device *);
        void (*remove)(struct omap_dss_device *);