fit: use 'const' for the input of fdt_offset() and locate_dtb_in_fit()
Those 2 functions don't modify their input, we can mark it const.
This prevents compilation warnings when they are provided const input.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/common/boot_fit.c b/common/boot_fit.c
index 0a72315..ce42931 100644
--- a/common/boot_fit.c
+++ b/common/boot_fit.c
@@ -13,7 +13,7 @@
#include <image.h>
#include <libfdt.h>
-int fdt_offset(void *fit)
+static int fdt_offset(const void *fit)
{
int images, node, fdt_len, fdt_node, fdt_offset;
const char *fdt_name;
@@ -55,7 +55,7 @@
return fdt_offset;
}
-void *locate_dtb_in_fit(void *fit)
+void *locate_dtb_in_fit(const void *fit)
{
struct image_header *header;
int size;
diff --git a/include/boot_fit.h b/include/boot_fit.h
index b7d2462..e16ae5b 100644
--- a/include/boot_fit.h
+++ b/include/boot_fit.h
@@ -5,5 +5,10 @@
* SPDX-License-Identifier: GPL-2.0+
*/
-int fdt_offset(void *fit);
-void *locate_dtb_in_fit(void *fit);
+/**
+ * locate_dtb_in_fit - Find a DTB matching the board in a FIT image
+ * @fit: pointer to the FIT image
+ *
+ * @return a pointer to a matching DTB blob if found, NULL otherwise
+ */
+void *locate_dtb_in_fit(const void *fit);