[DM/FEATURE] Support driver depends fix auto

We need a API to fix the driver load auto when
a second driver get it in probe process that
we can not be careful of the driver-to-driver's
depends in different SoC.

Signed-off-by: GuEe-GUI <[email protected]>

3 files changed, 51 insertions, 0 deletions

diff --git a/components/drivers/core/platform_ofw.c b/components/drivers/core/platform_ofw.c
index 3a5554f235..5b8fa92b67 100644
--- a/components/drivers/core/platform_ofw.c
+++ b/components/drivers/core/platform_ofw.c
@@ -17,6 +17,7 @@
 #include <drivers/ofw_io.h>
 #include <drivers/ofw_fdt.h>
 #include <drivers/platform.h>
+#include <drivers/core/bus.h>
 #include <drivers/core/dm.h>
 
 #include "../ofw/ofw_internal.h"
@@ -161,6 +162,7 @@ static rt_err_t platform_ofw_device_probe_once(struct rt_ofw_node *parent_np)
         }
 
         pdev->dev_id = ofw_alias_node_id(np);
+        np->dev = &pdev->parent;
         LOG_D("%s register to bus", np->full_name);
 
         rt_platform_device_register(pdev);
@@ -199,6 +201,53 @@ rt_err_t rt_platform_ofw_device_probe_child(struct rt_ofw_node *np)
     return err;
 }
 
+rt_err_t rt_platform_ofw_request(struct rt_ofw_node *np)
+{
+    rt_err_t err;
+
+    if (np)
+    {
+        struct rt_device *dev = np->dev;
+
+        if (dev)
+        {
+            /* Was create */
+            if (dev->drv)
+            {
+                /* Was probe OK */
+                err = RT_EOK;
+            }
+            else
+            {
+                err = rt_bus_reload_driver_device(dev->bus, dev);
+            }
+        }
+        else
+        {
+            struct rt_platform_device *pdev = alloc_ofw_platform_device(np);
+
+            if (pdev)
+            {
+                pdev->dev_id = ofw_alias_node_id(np);
+                np->dev = &pdev->parent;
+                LOG_D("%s register to bus", np->full_name);
+
+                err = rt_platform_device_register(pdev);
+            }
+            else
+            {
+                err = -RT_ENOMEM;
+            }
+        }
+    }
+    else
+    {
+        err = -RT_EINVAL;
+    }
+
+    return err;
+}
+
 static int platform_ofw_device_probe(void)
 {
     rt_err_t err = RT_EOK;
diff --git a/components/drivers/include/drivers/ofw.h b/components/drivers/include/drivers/ofw.h
index aec5ba451a..3f23017b57 100644
--- a/components/drivers/include/drivers/ofw.h
+++ b/components/drivers/include/drivers/ofw.h
@@ -37,6 +37,7 @@ struct rt_ofw_node
     /* phandles range from 1 to 2^32-2 (0xfffffffe) */
     rt_phandle phandle;
 
+    struct rt_device *dev;
     struct rt_ofw_prop *props;
     struct rt_ofw_node *parent;
     struct rt_ofw_node *child;
diff --git a/components/drivers/include/drivers/platform.h b/components/drivers/include/drivers/platform.h
index ba927fee7d..c4a497d0a1 100644
--- a/components/drivers/include/drivers/platform.h
+++ b/components/drivers/include/drivers/platform.h
@@ -45,6 +45,7 @@ rt_err_t rt_platform_driver_register(struct rt_platform_driver *pdrv);
 rt_err_t rt_platform_device_register(struct rt_platform_device *pdev);
 
 rt_err_t rt_platform_ofw_device_probe_child(struct rt_ofw_node *np);
+rt_err_t rt_platform_ofw_request(struct rt_ofw_node *np);
 rt_err_t rt_platform_ofw_free(struct rt_platform_device *pdev);
 
 #define RT_PLATFORM_DRIVER_EXPORT(driver)  RT_DRIVER_EXPORT(driver, platform, BUILIN)