Re: [PATCH 1/2] libata: add ledtrig support

From: Pavel Machek
Date: Thu Sep 20 2018 - 03:24:00 EST


Hi!

> +#ifdef CONFIG_ATA_LEDS
> + /* register LED triggers for all ports */
> + for (i = 0; i < host->n_ports; i++) {
> + if (unlikely(!host->ports[i]->ledtrig))
> + continue;
> +
> + snprintf(host->ports[i]->ledtrig_name,
> + sizeof(host->ports[i]->ledtrig_name), "ata%u",
> + host->ports[i]->print_id);

> + host->ports[i]->ledtrig->name = host->ports[i]->ledtrig_name;
> +
> + if (led_trigger_register(host->ports[i]->ledtrig)) {
> + kfree(host->ports[i]->ledtrig);
> + host->ports[i]->ledtrig = NULL;
> + }
> + }
> +#endif

No, we don't want you to register multiple triggers. We want one
trigger, than has parameter "which port to watch". (Number of triggers
is limited as by sysfs limitations).

Otherwise yes, ata trigger makes sense.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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