Re: [2.5.58][PnP] Some small points.

From: Adam Belay (ambx1@neo.rr.com)
Date: Fri Jan 17 2003 - 06:18:38 EST


Hi Ruslan,

Thanks for pointing these out. I appreciate your help.

On Wed, Jan 15, 2003 at 06:16:11PM +0300, Ruslan U. Zakirov wrote:
> Hello All.
> 1) __pnp_remove_device(dev) call twice. First time in
> pnpc_remove_device(dev). I think it's wrong.
>

Agreed, I'll apply your patch here.

> _______________________________
> 2) We've forgot to unreg driver on module unload in opl3sa2 driver.
> --- sound/isa/opl3sa2.c~ 2003-01-15 17:45:25.000000000 +0300
> +++ sound/isa/opl3sa2.c 2003-01-15 17:47:00.000000000 +0300
> @@ -881,6 +881,9 @@
>
> for (idx = 0; idx < SNDRV_CARDS; idx++)
> snd_card_free(snd_opl3sa2_cards[idx]);
> +#ifdef CONFIG_PNP
> + pnpc_unregister_driver(&opl3sa2_pnpc_driver);
> +#endif
> }
>

Yep, it should unregister it there.

> module_init(alsa_card_opl3sa2_init)
> _________________________________
> 3) Queston: Why we do free in this way?
> static int snd_opl3sa2_free(opl3sa2_t *chip)
> {
> #ifdef CONFIG_PNP
> chip->dev = NULL; -> Here. Why NULL? Who realy free resources and how?

The structure that chip->dev points to is freed by the pnp layer on the release call.
Is this what you were asking or are you talking about something else?

> #endif
> #ifdef CONFIG_PM
> if (chip->pm_dev)
> pm_unregister(chip->pm_dev);
> #endif
> if (chip->irq >= 0)
> free_irq(chip->irq, (void *)chip);
> if (chip->res_port) {
> release_resource(chip->res_port);
> kfree_nocheck(chip->res_port);
> }
> snd_magic_kfree(chip);
> return 0;
> }

> _______________________________________
> 4) Have we got ALSA driver that work absolutly and use PnP layer in
> right ways?

I believe Jaroslav is working on that now. Jaroslav, if you would like me to
convert ALSA drivers please let me know.

Regards,
Adam
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