fdt: Fixup only valid memory banks

[u-boot] / include / reset.h

diff --git a/include/reset.h b/include/reset.h
index dc0900f96ab30dd787670465c9ae46c342db5d00..7185ade7ac5e96a56b0c0e0d3d332641400310ec 100644 (file)
--- a/include/reset.h
+++ b/include/reset.h
@@ -7,6 +7,8 @@
 #ifndef _RESET_H
 #define _RESET_H
 
+#include <linux/errno.h>
+
 /**
  * A reset is a hardware signal indicating that a HW module (or IP block, or
  * sometimes an entire off-CPU chip) reset all of its internal state to some
@@ -58,6 +60,7 @@ struct reset_ctl {
        unsigned long id;
 };
 
+#ifdef CONFIG_DM_RESET
 /**
  * reset_get_by_index - Get/request a reset signal by integer index.
  *
@@ -96,6 +99,15 @@ int reset_get_by_index(struct udevice *dev, int index,
 int reset_get_by_name(struct udevice *dev, const char *name,
                      struct reset_ctl *reset_ctl);
 
+/**
+ * reset_request - Request a reset signal.
+ *
+ * @reset_ctl: A reset control struct.
+ *
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_request(struct reset_ctl *reset_ctl);
+
 /**
  * reset_free - Free a previously requested reset signal.
  *
@@ -132,4 +144,51 @@ int reset_assert(struct reset_ctl *reset_ctl);
  */
 int reset_deassert(struct reset_ctl *reset_ctl);
 
+/**
+ * reset_release_all - Assert/Free an array of previously requested resets.
+ *
+ * For each reset contained in the reset array, this function will check if
+ * reset has been previously requested and then will assert and free it.
+ *
+ * @reset_ctl: A reset struct array that was previously successfully
+ *             requested by reset_get_by_*().
+ * @count      Number of reset contained in the array
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_release_all(struct reset_ctl *reset_ctl, int count);
+#else
+static inline int reset_get_by_index(struct udevice *dev, int index,
+                                    struct reset_ctl *reset_ctl)
+{
+       return -ENOTSUPP;
+}
+
+static inline int reset_get_by_name(struct udevice *dev, const char *name,
+                                   struct reset_ctl *reset_ctl)
+{
+       return -ENOTSUPP;
+}
+
+static inline int reset_free(struct reset_ctl *reset_ctl)
+{
+       return 0;
+}
+
+static inline int reset_assert(struct reset_ctl *reset_ctl)
+{
+       return 0;
+}
+
+static inline int reset_deassert(struct reset_ctl *reset_ctl)
+{
+       return 0;
+}
+
+static inline int reset_release_all(struct reset_ctl *reset_ctl, int count)
+{
+       return 0;
+}
+
+#endif
+
 #endif