misc: mark write buffer const
The write operation in misc_ops already takes a "const void *" buffer,
but misc_write() takes a mutable "void *". There's no reason for this,
so make misc_write() consistent with the standard write() prototype.
Signed-off-by: John Keeping <john@metanate.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/misc-uclass.c b/drivers/misc/misc-uclass.c
index cbfacc3..cfe9d56 100644
--- a/drivers/misc/misc-uclass.c
+++ b/drivers/misc/misc-uclass.c
@@ -26,7 +26,7 @@
return ops->read(dev, offset, buf, size);
}
-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)
{
const struct misc_ops *ops = device_get_ops(dev);
diff --git a/include/misc.h b/include/misc.h
index 82ec2ce..6f04262 100644
--- a/include/misc.h
+++ b/include/misc.h
@@ -28,7 +28,7 @@
*
* 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.