Provide a CONFIG_DM_STDIO option to enable registering a serial device
with the stdio library. This is seldom useful in SPL, so disable it by
default when building for SPL.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
drivers/serial/serial-uclass.c | 8 +++++---
include/config_defaults.h | 1 +
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 4fad654..092d50a 100644
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -180,9 +180,11 @@ int serial_stub_tstc(struct stdio_dev *sdev)
static int serial_post_probe(struct udevice *dev)
{
- struct stdio_dev sdev;
struct dm_serial_ops *ops = serial_get_ops(dev);
+#ifdef CONFIG_DM_STDIO
struct serial_dev_priv *upriv = dev->uclass_priv;
+ struct stdio_dev sdev;
+#endif
int ret;
/* Set the baud rate */
@@ -192,9 +194,9 @@ static int serial_post_probe(struct udevice *dev)
return ret;
}
+#ifdef CONFIG_DM_STDIO
if (!(gd->flags & GD_FLG_RELOC))
return 0;
-
memset(&sdev, '\0', sizeof(sdev));
strncpy(sdev.name, dev->name, sizeof(sdev.name));
@@ -205,7 +207,7 @@ static int serial_post_probe(struct udevice *dev)
sdev.getc = serial_stub_getc;
sdev.tstc = serial_stub_tstc;
stdio_register_dev(&sdev, &upriv->sdev);
-
+#endif
return 0;
}
diff --git a/include/config_defaults.h b/include/config_defaults.h
index 985f055..f1b225d 100644
--- a/include/config_defaults.h
+++ b/include/config_defaults.h
@@ -22,6 +22,7 @@
#ifndef CONFIG_SPL_BUILD
#define CONFIG_DM_DEVICE_REMOVE
+#define CONFIG_DM_STDIO
#endif
#endif
--
2.1.0.rc2.206.gedb03e5
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