This patch converts the resource management in ISA opl3sa2 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/opl3sa2.c | 60 +++++++++------------------------------------ 1 file changed, 11 insertions(+), 49 deletions(-)
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c index 6f42f869928c..bad1490a66a0 100644 --- a/sound/isa/opl3sa2.c +++ b/sound/isa/opl3sa2.c @@ -208,7 +208,8 @@ static int snd_opl3sa2_detect(struct snd_card *card) char str[2];
port = chip->port; - chip->res_port = request_region(port, 2, "OPL3-SA control"); + chip->res_port = devm_request_region(card->dev, port, 2, + "OPL3-SA control"); if (!chip->res_port) { snd_printk(KERN_ERR PFX "can't grab port 0x%lx\n", port); return -EBUSY; @@ -609,14 +610,6 @@ static int snd_opl3sa2_pnp(int dev, struct snd_opl3sa2 *chip, } #endif /* CONFIG_PNP */
-static void snd_opl3sa2_free(struct snd_card *card) -{ - struct snd_opl3sa2 *chip = card->private_data; - if (chip->irq >= 0) - free_irq(chip->irq, card); - release_and_free_resource(chip->res_port); -} - static int snd_opl3sa2_card_new(struct device *pdev, int dev, struct snd_card **cardp) { @@ -624,8 +617,8 @@ static int snd_opl3sa2_card_new(struct device *pdev, int dev, struct snd_opl3sa2 *chip; int err;
- err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE, - sizeof(struct snd_opl3sa2), &card); + err = snd_devm_card_new(pdev, index[dev], id[dev], THIS_MODULE, + sizeof(struct snd_opl3sa2), &card); if (err < 0) return err; strcpy(card->driver, "OPL3SA2"); @@ -633,7 +626,6 @@ static int snd_opl3sa2_card_new(struct device *pdev, int dev, chip = card->private_data; spin_lock_init(&chip->reg_lock); chip->irq = -1; - card->private_free = snd_opl3sa2_free; *cardp = card; return 0; } @@ -658,8 +650,8 @@ static int snd_opl3sa2_probe(struct snd_card *card, int dev) err = snd_opl3sa2_detect(card); if (err < 0) return err; - err = request_irq(xirq, snd_opl3sa2_interrupt, 0, - "OPL3-SA2", card); + err = devm_request_irq(card->dev, xirq, snd_opl3sa2_interrupt, 0, + "OPL3-SA2", card); if (err) { snd_printk(KERN_ERR PFX "can't grab IRQ %d\n", xirq); return -ENODEV; @@ -737,25 +729,16 @@ static int snd_opl3sa2_pnp_detect(struct pnp_dev *pdev, if (err < 0) return err; err = snd_opl3sa2_pnp(dev, card->private_data, pdev); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } err = snd_opl3sa2_probe(card, dev); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } pnp_set_drvdata(pdev, card); dev++; return 0; }
-static void snd_opl3sa2_pnp_remove(struct pnp_dev *pdev) -{ - snd_card_free(pnp_get_drvdata(pdev)); -} - #ifdef CONFIG_PM static int snd_opl3sa2_pnp_suspend(struct pnp_dev *pdev, pm_message_t state) { @@ -771,7 +754,6 @@ static struct pnp_driver opl3sa2_pnp_driver = { .name = "snd-opl3sa2-pnpbios", .id_table = snd_opl3sa2_pnpbiosids, .probe = snd_opl3sa2_pnp_detect, - .remove = snd_opl3sa2_pnp_remove, #ifdef CONFIG_PM .suspend = snd_opl3sa2_pnp_suspend, .resume = snd_opl3sa2_pnp_resume, @@ -803,26 +785,16 @@ static int snd_opl3sa2_pnp_cdetect(struct pnp_card_link *pcard, if (err < 0) return err; err = snd_opl3sa2_pnp(dev, card->private_data, pdev); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } err = snd_opl3sa2_probe(card, dev); - if (err < 0) { - snd_card_free(card); + if (err < 0) return err; - } pnp_set_card_drvdata(pcard, card); dev++; return 0; }
-static void snd_opl3sa2_pnp_cremove(struct pnp_card_link *pcard) -{ - snd_card_free(pnp_get_card_drvdata(pcard)); - pnp_set_card_drvdata(pcard, NULL); -} - #ifdef CONFIG_PM static int snd_opl3sa2_pnp_csuspend(struct pnp_card_link *pcard, pm_message_t state) { @@ -839,7 +811,6 @@ static struct pnp_card_driver opl3sa2_pnpc_driver = { .name = "snd-opl3sa2-cpnp", .id_table = snd_opl3sa2_pnpids, .probe = snd_opl3sa2_pnp_cdetect, - .remove = snd_opl3sa2_pnp_cremove, #ifdef CONFIG_PM .suspend = snd_opl3sa2_pnp_csuspend, .resume = snd_opl3sa2_pnp_cresume, @@ -885,20 +856,12 @@ static int snd_opl3sa2_isa_probe(struct device *pdev, if (err < 0) return err; err = snd_opl3sa2_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_opl3sa2_isa_remove(struct device *devptr, - unsigned int dev) -{ - snd_card_free(dev_get_drvdata(devptr)); -} - #ifdef CONFIG_PM static int snd_opl3sa2_isa_suspend(struct device *dev, unsigned int n, pm_message_t state) @@ -917,7 +880,6 @@ static int snd_opl3sa2_isa_resume(struct device *dev, unsigned int n) static struct isa_driver snd_opl3sa2_isa_driver = { .match = snd_opl3sa2_isa_match, .probe = snd_opl3sa2_isa_probe, - .remove = snd_opl3sa2_isa_remove, #ifdef CONFIG_PM .suspend = snd_opl3sa2_isa_suspend, .resume = snd_opl3sa2_isa_resume,