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authorXiang W <wxjstz@126.com>2024-06-11 19:19:31 +0800
committerAnup Patel <anup@brainfault.org>2024-06-13 18:36:49 +0530
commit179e00a320df905f22cf2788880d5e1455795bf7 (patch)
treec3f44bddecf55aafca8ef281488ca60bbe0e3e16
parentb1c7c750f75dc027602688e4cb192d7b883c71d3 (diff)
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lib: utils/serial: Skip initialize serial when dt is not enabled
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>
-rw-r--r--lib/utils/serial/fdt_serial.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/utils/serial/fdt_serial.c b/lib/utils/serial/fdt_serial.c
index 0baa722..8b6e6b9 100644
--- a/lib/utils/serial/fdt_serial.c
+++ b/lib/utils/serial/fdt_serial.c
@@ -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;