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lib: utils/serial: Use fdt_driver for initialization

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The serial driver subsystem does not need any extra data, so it can use
`struct fdt_driver` directly. The generic fdt_serial_init() first
attempts to match the chosen stdout device, and upon failure matches the
first available serial device in the DT. It is a fatal error if no such
device is found. This matches the behavior of fdt_driver_init_one().

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-11-11 14:02:54 -08:00
committed by Anup Patel
parent 6d9ad492db
commit a524f0a507
12 changed files with 18 additions and 60 deletions
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6
include/sbi_utils/serial/fdt_serial.h
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@@ -11,14 +11,10 @@
#define __FDT_SERIAL_H__
#include <sbi/sbi_types.h>
#include <sbi_utils/fdt/fdt_driver.h>
#ifdef CONFIG_FDT_SERIAL
struct fdt_serial {
const struct fdt_match *match_table;
int (*init)(const void *fdt, int nodeoff, const struct fdt_match *match);
};
int fdt_serial_init(const void *fdt);
#else