riscv: Add option to print registers on exception

[oweals/u-boot.git] / include / misc.h

diff --git a/include/misc.h b/include/misc.h
index 50515852b25e9d83829f317c52ebd46a2d410968..12d1325ee26e4f5ca65f51d2c2012a478e61496c 100644 (file)
--- a/include/misc.h
+++ b/include/misc.h
@@ -13,7 +13,7 @@
  * @buf: pointer to data buffer
  * @size: data size in bytes to read the device
  *
- * Return: 0 if OK, -ve on error
+ * Return: number of bytes read if OK (may be 0 if EOF), -ve on error
  */
 int misc_read(struct udevice *dev, int offset, void *buf, int size);
 
@@ -24,7 +24,7 @@ int misc_read(struct udevice *dev, int offset, void *buf, int size);
  * @buf: pointer to data buffer
  * @size: data size in bytes to write the device
  *
- * Return: 0 if OK, -ve on error
+ * Return: number of bytes written if OK (may be < @size), -ve on error
  */
 int misc_write(struct udevice *dev, int offset, void *buf, int size);
 
@@ -90,7 +90,7 @@ struct misc_ops {
         * @buf: pointer to data buffer
         * @size: data size in bytes to read the device
         *
-        * Return: 0 if OK, -ve on error
+        * Return: number of bytes read if OK (may be 0 if EOF), -ve on error
         */
        int (*read)(struct udevice *dev, int offset, void *buf, int size);
 
@@ -101,7 +101,7 @@ struct misc_ops {
         * @buf: pointer to data buffer
         * @size: data size in bytes to write the device
         *
-        * Return: 0 if OK, -ve on error
+        * Return: number of bytes written if OK (may be < @size), -ve on error
         */
        int (*write)(struct udevice *dev, int offset, const void *buf,
                     int size);