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lib: utils/serial: Pass the FDT to fdt_serial_init()

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Indicate that this function does not modify the FDT blob, and
deduplicate the call to fdt_get_address().

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 21:58:56 -07:00
committed by Anup Patel
parent fa6dfce017
commit c36801841e
3 changed files with 4 additions and 5 deletions
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4
include/sbi_utils/serial/fdt_serial.h
View File

@@ -19,11 +19,11 @@ struct fdt_serial {
int (*init)(const void *fdt, int nodeoff, const struct fdt_match *match);
};
int fdt_serial_init(void);
int fdt_serial_init(const void *fdt);
#else
static inline int fdt_serial_init(void) { return 0; }
static inline int fdt_serial_init(const void *fdt) { return 0; }
#endif

3
lib/utils/serial/fdt_serial.c
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@@ -17,13 +17,12 @@
extern struct fdt_serial *fdt_serial_drivers[];
extern unsigned long fdt_serial_drivers_size;
int fdt_serial_init(void)
int fdt_serial_init(const void *fdt)
{
const void *prop;
struct fdt_serial *drv;
const struct fdt_match *match;
int pos, noff = -1, len, coff, rc;
const void *fdt = fdt_get_address();
/* Find offset of node pointed to by stdout-path */
coff = fdt_path_offset(fdt, "/chosen");

2
platform/generic/platform.c
View File

@@ -230,7 +230,7 @@ static int generic_early_init(bool cold_boot)
if (semihosting_enabled())
rc = semihosting_init();
else
rc = fdt_serial_init();
rc = fdt_serial_init(fdt);
if (rc)
return rc;
}