Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux
[linux-2.6-microblaze.git] / sound / pci / maestro3.c
index 77a484b..056838e 100644 (file)
@@ -2339,16 +2339,13 @@ snd_m3_enable_ints(struct snd_m3 *chip)
 /*
  */
 
-static int snd_m3_free(struct snd_m3 *chip)
+static void snd_m3_free(struct snd_card *card)
 {
+       struct snd_m3 *chip = card->private_data;
        struct m3_dma *s;
        int i;
 
        cancel_work_sync(&chip->hwvol_work);
-#ifdef CONFIG_SND_MAESTRO3_INPUT
-       if (chip->input_dev)
-               input_unregister_device(chip->input_dev);
-#endif
 
        if (chip->substreams) {
                spin_lock_irq(&chip->reg_lock);
@@ -2359,7 +2356,6 @@ static int snd_m3_free(struct snd_m3 *chip)
                                snd_m3_pcm_stop(chip, s, s->substream);
                }
                spin_unlock_irq(&chip->reg_lock);
-               kfree(chip->substreams);
        }
        if (chip->iobase) {
                outw(0, chip->iobase + HOST_INT_CTRL); /* disable ints */
@@ -2368,19 +2364,8 @@ static int snd_m3_free(struct snd_m3 *chip)
 #ifdef CONFIG_PM_SLEEP
        vfree(chip->suspend_mem);
 #endif
-
-       if (chip->irq >= 0)
-               free_irq(chip->irq, chip);
-
-       if (chip->iobase)
-               pci_release_regions(chip->pci);
-
        release_firmware(chip->assp_kernel_image);
        release_firmware(chip->assp_minisrc_image);
-
-       pci_disable_device(chip->pci);
-       kfree(chip);
-       return 0;
 }
 
 
@@ -2473,7 +2458,7 @@ static int snd_m3_input_register(struct snd_m3 *chip)
        struct input_dev *input_dev;
        int err;
 
-       input_dev = input_allocate_device();
+       input_dev = devm_input_allocate_device(&chip->pci->dev);
        if (!input_dev)
                return -ENOMEM;
 
@@ -2493,10 +2478,8 @@ static int snd_m3_input_register(struct snd_m3 *chip)
        __set_bit(KEY_VOLUMEUP, input_dev->keybit);
 
        err = input_register_device(input_dev);
-       if (err) {
-               input_free_device(input_dev);
+       if (err)
                return err;
-       }
 
        chip->input_dev = input_dev;
        return 0;
@@ -2506,44 +2489,25 @@ static int snd_m3_input_register(struct snd_m3 *chip)
 /*
  */
 
-static int snd_m3_dev_free(struct snd_device *device)
-{
-       struct snd_m3 *chip = device->device_data;
-       return snd_m3_free(chip);
-}
-
 static int
 snd_m3_create(struct snd_card *card, struct pci_dev *pci,
              int enable_amp,
-             int amp_gpio,
-             struct snd_m3 **chip_ret)
+             int amp_gpio)
 {
-       struct snd_m3 *chip;
+       struct snd_m3 *chip = card->private_data;
        int i, err;
        const struct snd_pci_quirk *quirk;
-       static const struct snd_device_ops ops = {
-               .dev_free =     snd_m3_dev_free,
-       };
 
-       *chip_ret = NULL;
-
-       if (pci_enable_device(pci))
+       if (pcim_enable_device(pci))
                return -EIO;
 
        /* check, if we can restrict PCI DMA transfers to 28 bits */
        if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28))) {
                dev_err(card->dev,
                        "architecture does not support 28bit PCI busmaster DMA\n");
-               pci_disable_device(pci);
                return -ENXIO;
        }
 
-       chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-       if (chip == NULL) {
-               pci_disable_device(pci);
-               return -ENOMEM;
-       }
-
        spin_lock_init(&chip->reg_lock);
 
        switch (pci->device) {
@@ -2559,6 +2523,7 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
        chip->pci = pci;
        chip->irq = -1;
        INIT_WORK(&chip->hwvol_work, snd_m3_update_hw_volume);
+       card->private_free = snd_m3_free;
 
        chip->external_amp = enable_amp;
        if (amp_gpio >= 0 && amp_gpio <= 0x0f)
@@ -2588,27 +2553,24 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
                chip->is_omnibook = 1;
 
        chip->num_substreams = NR_DSPS;
-       chip->substreams = kcalloc(chip->num_substreams, sizeof(struct m3_dma),
-                                  GFP_KERNEL);
-       if (chip->substreams == NULL) {
-               kfree(chip);
-               pci_disable_device(pci);
+       chip->substreams = devm_kcalloc(&pci->dev, chip->num_substreams,
+                                       sizeof(struct m3_dma), GFP_KERNEL);
+       if (!chip->substreams)
                return -ENOMEM;
-       }
 
        err = request_firmware(&chip->assp_kernel_image,
                               "ess/maestro3_assp_kernel.fw", &pci->dev);
        if (err < 0)
-               goto free_chip;
+               return err;
 
        err = request_firmware(&chip->assp_minisrc_image,
                               "ess/maestro3_assp_minisrc.fw", &pci->dev);
        if (err < 0)
-               goto free_chip;
+               return err;
 
        err = pci_request_regions(pci, card->driver);
        if (err < 0)
-               goto free_chip;
+               return err;
 
        chip->iobase = pci_resource_start(pci, 0);
        
@@ -2624,11 +2586,10 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
 
        snd_m3_hv_init(chip);
 
-       if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
-                       KBUILD_MODNAME, chip)) {
+       if (devm_request_irq(&pci->dev, pci->irq, snd_m3_interrupt, IRQF_SHARED,
+                            KBUILD_MODNAME, chip)) {
                dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
-               err = -ENOMEM;
-               goto free_chip;
+               return -ENOMEM;
        }
        chip->irq = pci->irq;
        card->sync_irq = chip->irq;
@@ -2642,10 +2603,6 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
                dev_warn(card->dev, "can't allocate apm buffer\n");
 #endif
 
-       err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
-       if (err < 0)
-               goto free_chip;
-
        err = snd_m3_mixer(chip);
        if (err < 0)
                return err;
@@ -2674,13 +2631,7 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci,
        snd_m3_enable_ints(chip);
        snd_m3_assp_continue(chip);
 
-       *chip_ret = chip;
-
        return 0; 
-
-free_chip:
-       snd_m3_free(chip);
-       return err;
 }
 
 /*
@@ -2704,10 +2655,11 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
                return -ENOENT;
        }
 
-       err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
-                          0, &card);
+       err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+                               sizeof(*chip), &card);
        if (err < 0)
                return err;
+       chip = card->private_data;
 
        switch (pci->device) {
        case PCI_DEVICE_ID_ESS_ALLEGRO:
@@ -2723,11 +2675,9 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
                break;
        }
 
-       err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev], &chip);
+       err = snd_m3_create(card, pci, external_amp[dev], amp_gpio[dev]);
        if (err < 0)
-               goto free_card;
-
-       card->private_data = chip;
+               return err;
 
        sprintf(card->shortname, "ESS %s PCI", card->driver);
        sprintf(card->longname, "%s at 0x%lx, irq %d",
@@ -2735,7 +2685,7 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 
        err = snd_card_register(card);
        if (err < 0)
-               goto free_card;
+               return err;
 
 #if 0 /* TODO: not supported yet */
        /* TODO enable MIDI IRQ and I/O */
@@ -2750,22 +2700,12 @@ snd_m3_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
        pci_set_drvdata(pci, card);
        dev++;
        return 0;
-
-free_card:
-       snd_card_free(card);
-       return err;
-}
-
-static void snd_m3_remove(struct pci_dev *pci)
-{
-       snd_card_free(pci_get_drvdata(pci));
 }
 
 static struct pci_driver m3_driver = {
        .name = KBUILD_MODNAME,
        .id_table = snd_m3_ids,
        .probe = snd_m3_probe,
-       .remove = snd_m3_remove,
        .driver = {
                .pm = M3_PM_OPS,
        },