[PATCH 2/8] console: factorise function to get the console by name

Sascha Hauer s.hauer at pengutronix.de
Sun Oct 6 07:24:54 EDT 2013


On Thu, Oct 03, 2013 at 09:21:54AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> rename it to console_get_by_name
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
> +struct console_device *console_get_by_name(const char *cname)
> +{
> +	struct console_device *cdev;
> +	const char *target;
> +
> +	for_each_console(cdev) {
> +		target = dev_id(&cdev->class_dev);
> +		if (strcmp(cname, target))
> +			continue;
> +		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT))
> +			return cdev;
> +		return NULL;
> +	}
> +	return NULL;
> +}
> +EXPORT_SYMBOL(console_get_by_name);

I think this function should return the console regardless of whether
it's active or not. This makes the console_get_by_name_flags you
introduce later unnecessary. Also the loadxyz code shouldn't care if
it's activated but instead just activate the console if necessary.

Sascha

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