Some console such as net console need some parameter to work (IP & Port).
So we can not enable them if not present.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
common/console.c | 3 +++
include/console.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/common/console.c b/common/console.c
index 56bc864..32c5d38 100644
--- a/common/console.c
+++ b/common/console.c
@@ -62,6 +62,9 @@ static int console_std_set(struct device_d *dev, struct param_d *param,
char active[4];
unsigned int flag = 0, i = 0;
+ if (cdev->is_ready && !cdev->is_ready(cdev))
+ return -EIO;
+
if (val) {
if (strchr(val, 'i') && cdev->getc) {
active[i++] = 'i';
diff --git a/include/console.h b/include/console.h
index 550b440..b4caf55 100644
--- a/include/console.h
+++ b/include/console.h
@@ -37,6 +37,7 @@ struct console_device {
struct device_d *dev;
struct device_d class_dev;
+ int (*is_ready)(struct console_device *cdev);
int (*tstc)(struct console_device *cdev);
void (*putc)(struct console_device *cdev, char c);
int (*getc)(struct console_device *cdev);
--
1.8.4.3
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