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platform: generic: Constify FDT pointers in fw_platform_init()

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Indicate that none of these functions modify the devicetree by
constifying the parameter type.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-07-30 21:58:53 -07:00
committed by Anup Patel
parent b15cc7715a
commit 3f964652d9
3 changed files with 5 additions and 5 deletions
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6
platform/generic/platform.c
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@@ -36,7 +36,7 @@ extern unsigned long platform_override_modules_size;
static const struct platform_override *generic_plat = NULL;
static const struct fdt_match *generic_plat_match = NULL;
static void fw_platform_lookup_special(void *fdt, int root_offset)
static void fw_platform_lookup_special(const void *fdt, int root_offset)
{
const struct platform_override *plat;
const struct fdt_match *match;
@@ -81,7 +81,7 @@ static DECLARE_BITMAP(generic_coldboot_harts, SBI_HARTMASK_MAX_BITS);
* according to the DT property "cold-boot-harts" in "/chosen/opensbi-config"
* DT node. If there is no "cold-boot-harts" in DT, all harts will be allowed.
*/
static void fw_platform_coldboot_harts_init(void *fdt)
static void fw_platform_coldboot_harts_init(const void *fdt)
{
int chosen_offset, config_offset, cpu_offset, len, err;
u32 val32;
@@ -146,7 +146,7 @@ unsigned long fw_platform_init(unsigned long arg0, unsigned long arg1,
unsigned long arg4)
{
const char *model;
void *fdt = (void *)arg1;
const void *fdt = (void *)arg1;
u32 hartid, hart_count = 0;
int rc, root_offset, cpus_offset, cpu_offset, len;