lib: utils/regmap: Constify FDT pointers in parsing functions

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 21:58:49 -07:00
committed by Anup Patel
parent 7df1c8126f
commit 1bbda9b26f
3 changed files with 8 additions and 8 deletions

View File

@@ -17,15 +17,15 @@ struct fdt_phandle_args;
/** FDT based regmap driver */ /** FDT based regmap driver */
struct fdt_regmap { struct fdt_regmap {
const struct fdt_match *match_table; const struct fdt_match *match_table;
int (*init)(void *fdt, int nodeoff, u32 phandle, int (*init)(const void *fdt, int nodeoff, u32 phandle,
const struct fdt_match *match); const struct fdt_match *match);
}; };
/** Get regmap instance based on phandle */ /** Get regmap instance based on phandle */
int fdt_regmap_get_by_phandle(void *fdt, u32 phandle, int fdt_regmap_get_by_phandle(const void *fdt, u32 phandle,
struct regmap **out_rmap); struct regmap **out_rmap);
/** Get regmap instance based on "regmap" property of the specified DT node */ /** Get regmap instance based on "regmap" property of the specified DT node */
int fdt_regmap_get(void *fdt, int nodeoff, struct regmap **out_rmap); int fdt_regmap_get(const void *fdt, int nodeoff, struct regmap **out_rmap);
#endif #endif

View File

@@ -16,7 +16,7 @@
extern struct fdt_regmap *fdt_regmap_drivers[]; extern struct fdt_regmap *fdt_regmap_drivers[];
extern unsigned long fdt_regmap_drivers_size; extern unsigned long fdt_regmap_drivers_size;
static int fdt_regmap_init(void *fdt, int nodeoff, u32 phandle) static int fdt_regmap_init(const void *fdt, int nodeoff, u32 phandle)
{ {
int pos, rc; int pos, rc;
struct fdt_regmap *drv; struct fdt_regmap *drv;
@@ -39,7 +39,7 @@ static int fdt_regmap_init(void *fdt, int nodeoff, u32 phandle)
return SBI_ENOSYS; return SBI_ENOSYS;
} }
static int fdt_regmap_find(void *fdt, int nodeoff, u32 phandle, static int fdt_regmap_find(const void *fdt, int nodeoff, u32 phandle,
struct regmap **out_rmap) struct regmap **out_rmap)
{ {
int rc; int rc;
@@ -63,7 +63,7 @@ static int fdt_regmap_find(void *fdt, int nodeoff, u32 phandle,
return 0; return 0;
} }
int fdt_regmap_get_by_phandle(void *fdt, u32 phandle, int fdt_regmap_get_by_phandle(const void *fdt, u32 phandle,
struct regmap **out_rmap) struct regmap **out_rmap)
{ {
int pnodeoff; int pnodeoff;
@@ -78,7 +78,7 @@ int fdt_regmap_get_by_phandle(void *fdt, u32 phandle,
return fdt_regmap_find(fdt, pnodeoff, phandle, out_rmap); return fdt_regmap_find(fdt, pnodeoff, phandle, out_rmap);
} }
int fdt_regmap_get(void *fdt, int nodeoff, struct regmap **out_rmap) int fdt_regmap_get(const void *fdt, int nodeoff, struct regmap **out_rmap)
{ {
int len; int len;
const fdt32_t *val; const fdt32_t *val;

View File

@@ -159,7 +159,7 @@ static int regmap_syscon_write_be32(struct regmap *rmap, unsigned int reg,
return 0; return 0;
} }
static int regmap_syscon_init(void *fdt, int nodeoff, u32 phandle, static int regmap_syscon_init(const void *fdt, int nodeoff, u32 phandle,
const struct fdt_match *match) const struct fdt_match *match)
{ {
struct syscon_regmap *srm; struct syscon_regmap *srm;