[PATCH v2] console: expose consoles in devfs

[Sascha Hauer]

On Mon, Feb 27, 2017 at 05:01:08PM +0100, Bastian Stender wrote:
> This enables displaying text on e.g. a framebuffer console by issueing
> 
> 	echo -o /dev/fbconsole0 abc123
> 
> Signed-off-by: Bastian Stender <bst at pengutronix.de>
> ---
>  common/console.c  | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
>  include/console.h |  3 +++
>  2 files changed, 55 insertions(+)
> 
> diff --git a/common/console.c b/common/console.c
> index 3ff32b8327..bde4c08414 100644
> --- a/common/console.c
> +++ b/common/console.c
> @@ -259,6 +259,39 @@ static int __console_puts(struct console_device *cdev, const char *s)
>  	return n;
>  }
>  
> +static int fops_open(struct cdev *cdev, unsigned long flags)
> +{
> +	struct console_device *priv = cdev->priv;
> +
> +	return console_open(priv);
> +}
> +
> +static int fops_close(struct cdev *dev)
> +{
> +	struct console_device *priv = dev->priv;
> +
> +	return console_close(priv);
> +}
> +
> +static int fops_flush(struct cdev *dev)
> +{
> +	struct console_device *priv = dev->priv;
> +
> +	priv->flush(priv);

cdev->flush() is optional, you have to test for presence before using
it.

When you have to resend patches from a series, please resend the whole
series. Scanning different mail threads to find the newest version of
the patches can get cumbersome quite fast.

Sascha

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