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device_tree/fit: Constify data structures

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* Add const quailifier to arguments and elements.
* Add casts where necessary in cn81xx/soc.

Tested on Cavium CN81xx EVB SFF.

Change-Id: Id27966427fb97457fe883be32685d1397fb0781f
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/28267
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Patrick Rudolph
2018-08-22 09:55:15 +02:00
committed by Philipp Deppenwiese
parent 240eaaad28
commit 0a7d6908bf
6 changed files with 75 additions and 64 deletions
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10
src/lib/fit.c
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@@ -158,7 +158,7 @@ static struct fit_image_node *find_image(const char *name)
return NULL;
}
static int fdt_find_compat(void *blob, uint32_t start_offset,
static int fdt_find_compat(const void *blob, uint32_t start_offset,
struct fdt_property *prop)
{
int offset = start_offset;
@@ -196,7 +196,7 @@ static int fit_check_compat(struct fdt_property *compat_prop,
return -1;
}
void fit_update_chosen(struct device_tree *tree, char *cmd_line)
void fit_update_chosen(struct device_tree *tree, const char *cmd_line)
{
const char *path[] = { "chosen", NULL };
struct device_tree_node *node;
@@ -388,10 +388,12 @@ void fit_update_memory(struct device_tree *tree)
* @param fdt_blob Pointer to FDT
* @param config The current config node to operate on
*/
static void fit_update_compat(void *fdt_blob, struct fit_config_node *config)
static void fit_update_compat(const void *fdt_blob,
struct fit_config_node *config)
{
struct compat_string_entry *compat_node;
struct fdt_header *fdt_header = (struct fdt_header *)fdt_blob;
const struct fdt_header *fdt_header =
(const struct fdt_header *)fdt_blob;
uint32_t fdt_offset = be32_to_cpu(fdt_header->structure_offset);
size_t i = 0;