configs: stm32mp13: Add support for baudrates higher than 115200

[platform/kernel/u-boot.git] / include / misc.h

diff --git a/include/misc.h b/include/misc.h
index 5051585..6f04262 100644 (file)
--- a/include/misc.h
+++ b/include/misc.h
@@ -6,6 +6,8 @@
 #ifndef _MISC_H_
 #define _MISC_H_
 
+struct udevice;
+
 /**
  * misc_read() - Read the device to buffer, optional.
  * @dev: the device
@@ -13,7 +15,7 @@
  * @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);
 
@@ -24,9 +26,9 @@ 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);
+int misc_write(struct udevice *dev, int offset, const void *buf, int size);
 
 /**
  * misc_ioctl() - Assert command to the device, optional.
@@ -90,7 +92,7 @@ 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 +103,7 @@ 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);