In const we trust.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 tools/intel_bios_reader.c | 56 +++++++++++++++++++++++------------------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/tools/intel_bios_reader.c b/tools/intel_bios_reader.c
index 496f2b4f8d1e..7dbda3eac77c 100644
--- a/tools/intel_bios_reader.c
+++ b/tools/intel_bios_reader.c
@@ -69,10 +69,10 @@ uint8_t *VBIOS;
 struct bdb_block {
        uint8_t id;
        uint32_t size;
-       void *data;
+       const void *data;
 };
 
-struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
+const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
 static int tv_present;
 static int lvds_present;
 static int panel_type;
@@ -91,7 +91,7 @@ static struct bdb_block *find_section(const struct bdb_header 
*bdb,
                                      int section_id, int length)
 {
        struct bdb_block *block;
-       unsigned char *base = (unsigned char *)bdb;
+       const uint8_t *base = (const uint8_t *)bdb;
        int index = 0;
        uint32_t total, current_size;
        unsigned char current_id;
@@ -134,7 +134,7 @@ static struct bdb_block *find_section(const struct 
bdb_header *bdb,
 static void dump_general_features(const struct bdb_header *bdb,
                                  const struct bdb_block *block)
 {
-       struct bdb_general_features *features = block->data;
+       const struct bdb_general_features *features = block->data;
 
        printf("\tPanel fitting: ");
        switch (features->panel_fitting) {
@@ -187,8 +187,8 @@ static void dump_general_features(const struct bdb_header 
*bdb,
 static void dump_backlight_info(const struct bdb_header *bdb,
                                const struct bdb_block *block)
 {
-       struct bdb_lvds_backlight *backlight = block->data;
-       struct blc_struct *blc;
+       const struct bdb_lvds_backlight *backlight = block->data;
+       const struct blc_struct *blc;
 
        if (sizeof(struct blc_struct) != backlight->blcstruct_size) {
                printf("\tBacklight struct sizes don't match (expected %zu, got 
%u), skipping\n",
@@ -409,7 +409,7 @@ static void dump_child_device(const struct bdb_header *bdb,
 static void dump_general_definitions(const struct bdb_header *bdb,
                                     const struct bdb_block *block)
 {
-       struct bdb_general_definitions *defs = block->data;
+       const struct bdb_general_definitions *defs = block->data;
        int i;
        int child_device_num;
 
@@ -432,8 +432,8 @@ static void dump_general_definitions(const struct 
bdb_header *bdb,
 static void dump_child_devices(const struct bdb_header *bdb,
                               const struct bdb_block *block)
 {
-       struct bdb_child_devices *child_devs = block->data;
-       struct child_device_config *child;
+       const struct bdb_child_devices *child_devs = block->data;
+       const struct child_device_config *child;
        int i;
 
        for (i = 0; i < DEVICE_CHILD_SIZE; i++) {
@@ -456,7 +456,7 @@ static void dump_child_devices(const struct bdb_header *bdb,
 static void dump_lvds_options(const struct bdb_header *bdb,
                              const struct bdb_block *block)
 {
-       struct bdb_lvds_options *options = block->data;
+       const struct bdb_lvds_options *options = block->data;
 
        panel_type = options->panel_type;
        printf("\tPanel type: %d\n", panel_type);
@@ -473,7 +473,7 @@ static void dump_lvds_options(const struct bdb_header *bdb,
 static void dump_lvds_ptr_data(const struct bdb_header *bdb,
                               const struct bdb_block *block)
 {
-       struct bdb_lvds_lfp_data_ptrs *ptrs = block->data;
+       const struct bdb_lvds_lfp_data_ptrs *ptrs = block->data;
 
        printf("\tNumber of entries: %d\n", ptrs->lvds_entries);
 
@@ -484,8 +484,8 @@ static void dump_lvds_ptr_data(const struct bdb_header *bdb,
 static void dump_lvds_data(const struct bdb_header *bdb,
                           const struct bdb_block *block)
 {
-       struct bdb_lvds_lfp_data *lvds_data = block->data;
-       struct bdb_lvds_lfp_data_ptrs *ptrs = lvds_lfp_data_ptrs;
+       const struct bdb_lvds_lfp_data *lvds_data = block->data;
+       const struct bdb_lvds_lfp_data_ptrs *ptrs = lvds_lfp_data_ptrs;
        int num_entries;
        int i;
        int hdisplay, hsyncstart, hsyncend, htotal;
@@ -509,11 +509,11 @@ static void dump_lvds_data(const struct bdb_header *bdb,
               num_entries);
 
        for (i = 0; i < num_entries; i++) {
-               uint8_t *lfp_data_ptr =
-                   (uint8_t *) lvds_data->data + lfp_data_size * i;
-               uint8_t *timing_data = lfp_data_ptr + dvo_offset;
-               struct bdb_lvds_lfp_data_entry *lfp_data =
-                   (struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
+               const uint8_t *lfp_data_ptr =
+                   (const uint8_t *) lvds_data->data + lfp_data_size * i;
+               const uint8_t *timing_data = lfp_data_ptr + dvo_offset;
+               const struct bdb_lvds_lfp_data_entry *lfp_data =
+                   (const struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
                char marker;
 
                if (i == panel_type)
@@ -557,7 +557,7 @@ static void dump_lvds_data(const struct bdb_header *bdb,
 static void dump_driver_feature(const struct bdb_header *bdb,
                                const struct bdb_block *block)
 {
-       struct bdb_driver_feature *feature = block->data;
+       const struct bdb_driver_feature *feature = block->data;
 
        printf("\tBoot Device Algorithm: %s\n", feature->boot_dev_algorithm ?
               "driver default" : "os default");
@@ -624,7 +624,7 @@ static void dump_driver_feature(const struct bdb_header 
*bdb,
 static void dump_edp(const struct bdb_header *bdb,
                     const struct bdb_block *block)
 {
-       struct bdb_edp *edp = block->data;
+       const struct bdb_edp *edp = block->data;
        int bpp, msa;
        int i;
 
@@ -723,7 +723,7 @@ static void dump_edp(const struct bdb_header *bdb,
 }
 
 static void
-print_detail_timing_data(struct lvds_dvo_timing2 *dvo_timing)
+print_detail_timing_data(const struct lvds_dvo_timing2 *dvo_timing)
 {
        int display, sync_start, sync_end, total;
 
@@ -754,7 +754,7 @@ print_detail_timing_data(struct lvds_dvo_timing2 
*dvo_timing)
 static void dump_sdvo_panel_dtds(const struct bdb_header *bdb,
                                 const struct bdb_block *block)
 {
-       struct lvds_dvo_timing2 *dvo_timing = block->data;
+       const struct lvds_dvo_timing2 *dvo_timing = block->data;
        int n, count;
 
        count = block->size / sizeof(struct lvds_dvo_timing2);
@@ -767,7 +767,7 @@ static void dump_sdvo_panel_dtds(const struct bdb_header 
*bdb,
 static void dump_sdvo_lvds_options(const struct bdb_header *bdb,
                                   const struct bdb_block *block)
 {
-       struct bdb_sdvo_lvds_options *options = block->data;
+       const struct bdb_sdvo_lvds_options *options = block->data;
 
        printf("\tbacklight: %d\n", options->panel_backlight);
        printf("\th40 type: %d\n", options->h40_set_panel_type);
@@ -789,9 +789,9 @@ static void dump_sdvo_lvds_options(const struct bdb_header 
*bdb,
 static void dump_mipi_config(const struct bdb_header *bdb,
                             const struct bdb_block *block)
 {
-       struct bdb_mipi_config *start = block->data;
-       struct mipi_config *config;
-       struct mipi_pps_data *pps;
+       const struct bdb_mipi_config *start = block->data;
+       const struct mipi_config *config;
+       const struct mipi_pps_data *pps;
 
        config = &start->config[panel_type];
        pps = &start->pps[panel_type];
@@ -1009,7 +1009,7 @@ static const uint8_t *dump_sequence(const uint8_t *data)
 static void dump_mipi_sequence(const struct bdb_header *bdb,
                               const struct bdb_block *block)
 {
-       struct bdb_mipi_sequence *sequence = block->data;
+       const struct bdb_mipi_sequence *sequence = block->data;
        const uint8_t *data;
        int i, panel_id, seq_size;
        uint32_t block_size;
@@ -1168,7 +1168,7 @@ struct dumper dumpers[] = {
 static void hex_dump(const struct bdb_block *block)
 {
        int i;
-       uint8_t *p = block->data;
+       const uint8_t *p = block->data;
 
        for (i = 0; i < block->size; i++) {
                if (i % 16 == 0)
-- 
2.1.4

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