On Wed, Nov 20, 2013 at 01:39:11PM +0100, Jean-Christophe PLAGNIOL-VILLARD
wrote:
> 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 <[email protected]>
> ---
> 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;
Instead of asking whether a console is ready please add a ->set_active
callback and pass the CONSOLE_* flags.
Sascha
> +
> 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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