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lib: utils/serial: Skip initialize serial when dt is not enabled

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When the dt node has a status property and the value is not ok or
okay, skip initializing serial.

Signed-off-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W
2024-06-11 19:19:31 +08:00
committed by Anup Patel
parent b1c7c750f7
commit 179e00a320
1 changed files with 7 additions and 0 deletions
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7
lib/utils/serial/fdt_serial.c
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@@ -40,6 +40,10 @@ int fdt_serial_init(void)
else
noff = fdt_path_offset(fdt, prop);
}
if (-1 < noff) {
if (!fdt_node_is_enabled(fdt, noff))
noff = -1;
}
}
/* First check DT node pointed by stdout-path */
@@ -68,6 +72,9 @@ int fdt_serial_init(void)
if (noff < 0)
continue;
if (!fdt_node_is_enabled(fdt, noff))
continue;
/* drv->init must not be NULL */
if (drv->init == NULL)
return SBI_EFAIL;