spl: saveenv: adding saveenv support in SPL

[u-boot] / drivers / core / device.c

diff --git a/drivers/core/device.c b/drivers/core/device.c
index d8f9d5b5548e362049051e08bbbe6bbe7e7def86..b737f1c78907ada6e7538ed9262f2a49d9246386 100644 (file)
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -30,7 +30,7 @@ DECLARE_GLOBAL_DATA_PTR;
 static int device_bind_common(struct udevice *parent, const struct driver *drv,
                              const char *name, void *platdata,
                              ulong driver_data, int of_offset,
-                             struct udevice **devp)
+                             uint of_platdata_size, struct udevice **devp)
 {
        struct udevice *dev;
        struct uclass *uc;
@@ -84,12 +84,29 @@ static int device_bind_common(struct udevice *parent, const struct driver *drv,
                }
        }
 
-       if (!dev->platdata && drv->platdata_auto_alloc_size) {
-               dev->flags |= DM_FLAG_ALLOC_PDATA;
-               dev->platdata = calloc(1, drv->platdata_auto_alloc_size);
-               if (!dev->platdata) {
-                       ret = -ENOMEM;
-                       goto fail_alloc1;
+       if (drv->platdata_auto_alloc_size) {
+               bool alloc = !platdata;
+
+               if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
+                       if (of_platdata_size) {
+                               dev->flags |= DM_FLAG_OF_PLATDATA;
+                               if (of_platdata_size <
+                                               drv->platdata_auto_alloc_size)
+                                       alloc = true;
+                       }
+               }
+               if (alloc) {
+                       dev->flags |= DM_FLAG_ALLOC_PDATA;
+                       dev->platdata = calloc(1,
+                                              drv->platdata_auto_alloc_size);
+                       if (!dev->platdata) {
+                               ret = -ENOMEM;
+                               goto fail_alloc1;
+                       }
+                       if (CONFIG_IS_ENABLED(OF_PLATDATA) && platdata) {
+                               memcpy(dev->platdata, platdata,
+                                      of_platdata_size);
+                       }
                }
        }
 
@@ -202,14 +219,14 @@ int device_bind_with_driver_data(struct udevice *parent,
                                 struct udevice **devp)
 {
        return device_bind_common(parent, drv, name, NULL, driver_data,
-                                 of_offset, devp);
+                                 of_offset, 0, devp);
 }
 
 int device_bind(struct udevice *parent, const struct driver *drv,
                const char *name, void *platdata, int of_offset,
                struct udevice **devp)
 {
-       return device_bind_common(parent, drv, name, platdata, 0, of_offset,
+       return device_bind_common(parent, drv, name, platdata, 0, of_offset, 0,
                                  devp);
 }
 
@@ -217,6 +234,7 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
                        const struct driver_info *info, struct udevice **devp)
 {
        struct driver *drv;
+       uint platdata_size = 0;
 
        drv = lists_driver_lookup_name(info->name);
        if (!drv)
@@ -224,8 +242,11 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
        if (pre_reloc_only && !(drv->flags & DM_FLAG_PRE_RELOC))
                return -EPERM;
 
-       return device_bind(parent, drv, info->name, (void *)info->platdata,
-                          -1, devp);
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+       platdata_size = info->platdata_size;
+#endif
+       return device_bind_common(parent, drv, info->name,
+                       (void *)info->platdata, 0, -1, platdata_size, devp);
 }
 
 static void *alloc_priv(int size, uint flags)
@@ -650,7 +671,7 @@ fdt_addr_t dev_get_addr_index(struct udevice *dev, int index)
                addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
                                                        dev->parent->of_offset,
                                                        dev->of_offset, "reg",
-                                                       index, NULL);
+                                                       index, NULL, false);
                if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
                        if (device_get_uclass_id(dev->parent) ==
                            UCLASS_SIMPLE_BUS)
@@ -738,7 +759,7 @@ bool device_is_last_sibling(struct udevice *dev)
 
 void device_set_name_alloced(struct udevice *dev)
 {
-       dev->flags |= DM_NAME_ALLOCED;
+       dev->flags |= DM_FLAG_NAME_ALLOCED;
 }
 
 int device_set_name(struct udevice *dev, const char *name)