This patch converts the resource management in ISA wavefront driver with devres as a clean up. Each manual resource management is converted with the corresponding devres helper. The remove callback became superfluous and dropped.
This should give no user-visible functional changes.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/isa/wavefront/wavefront.c | 46 +++++++-------------------------- 1 file changed, 9 insertions(+), 37 deletions(-)
diff --git a/sound/isa/wavefront/wavefront.c b/sound/isa/wavefront/wavefront.c index dfdeaf7b6bf4..e6e46a0266b0 100644 --- a/sound/isa/wavefront/wavefront.c +++ b/sound/isa/wavefront/wavefront.c @@ -308,18 +308,6 @@ static struct snd_rawmidi *snd_wavefront_new_midi(struct snd_card *card, return rmidi; }
-static void -snd_wavefront_free(struct snd_card *card) -{ - snd_wavefront_card_t *acard = (snd_wavefront_card_t *)card->private_data; - - if (acard) { - release_and_free_resource(acard->wavefront.res_base); - if (acard->wavefront.irq > 0) - free_irq(acard->wavefront.irq, (void *)acard); - } -} - static int snd_wavefront_card_new(struct device *pdev, int dev, struct snd_card **cardp) { @@ -327,8 +315,8 @@ static int snd_wavefront_card_new(struct device *pdev, int dev, snd_wavefront_card_t *acard; int err;
- err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE, - sizeof(snd_wavefront_card_t), &card); + err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE, + sizeof(snd_wavefront_card_t), &card); if (err < 0) return err;
@@ -339,7 +327,6 @@ static int snd_wavefront_card_new(struct device *pdev, int dev, spin_lock_init(&acard->wavefront.midi.open); spin_lock_init(&acard->wavefront.midi.virtual); acard->wavefront.card = card; - card->private_free = snd_wavefront_free;
*cardp = card; return 0; @@ -394,15 +381,17 @@ snd_wavefront_probe (struct snd_card *card, int dev)
/* ------- ICS2115 Wavetable synth ------- */
- acard->wavefront.res_base = request_region(ics2115_port[dev], 16, - "ICS2115"); + acard->wavefront.res_base = + devm_request_region(card->dev, ics2115_port[dev], 16, + "ICS2115"); if (acard->wavefront.res_base == NULL) { snd_printk(KERN_ERR "unable to grab ICS2115 i/o region 0x%lx-0x%lx\n", ics2115_port[dev], ics2115_port[dev] + 16 - 1); return -EBUSY; } - if (request_irq(ics2115_irq[dev], snd_wavefront_ics2115_interrupt, - 0, "ICS2115", acard)) { + if (devm_request_irq(card->dev, ics2115_irq[dev], + snd_wavefront_ics2115_interrupt, + 0, "ICS2115", acard)) { snd_printk(KERN_ERR "unable to use ICS2115 IRQ %d\n", ics2115_irq[dev]); return -EBUSY; } @@ -556,27 +545,18 @@ static int snd_wavefront_isa_probe(struct device *pdev, if (err < 0) return err; err = snd_wavefront_probe(card, dev); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } dev_set_drvdata(pdev, card); return 0; }
-static void snd_wavefront_isa_remove(struct device *devptr, - unsigned int dev) -{ - snd_card_free(dev_get_drvdata(devptr)); -} - #define DEV_NAME "wavefront"
static struct isa_driver snd_wavefront_driver = { .match = snd_wavefront_isa_match, .probe = snd_wavefront_isa_probe, - .remove = snd_wavefront_isa_remove, /* FIXME: suspend, resume */ .driver = { .name = DEV_NAME @@ -606,7 +586,6 @@ static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard, if (snd_wavefront_pnp (dev, card->private_data, pcard, pid) < 0) { if (cs4232_pcm_port[dev] == SNDRV_AUTO_PORT) { snd_printk (KERN_ERR "isapnp detection failed\n"); - snd_card_free (card); return -ENODEV; } } @@ -620,18 +599,11 @@ static int snd_wavefront_pnp_detect(struct pnp_card_link *pcard, return 0; }
-static void snd_wavefront_pnp_remove(struct pnp_card_link *pcard) -{ - snd_card_free(pnp_get_card_drvdata(pcard)); - pnp_set_card_drvdata(pcard, NULL); -} - static struct pnp_card_driver wavefront_pnpc_driver = { .flags = PNP_DRIVER_RES_DISABLE, .name = "wavefront", .id_table = snd_wavefront_pnpids, .probe = snd_wavefront_pnp_detect, - .remove = snd_wavefront_pnp_remove, /* FIXME: suspend,resume */ };