1 files changed, 120 insertions, 208 deletions

diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index 58167d8469e1..6cdf76e2b7d2 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -196,7 +196,6 @@
 MODULE_AUTHOR("Andreas Mohr <andi AT lisas.de>");
 MODULE_DESCRIPTION("Aztech AZF3328 (PCI168)");
 MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{Aztech,AZF3328}}");
 
 #if IS_REACHABLE(CONFIG_GAMEPORT)
 #define SUPPORT_GAMEPORT 1
@@ -296,7 +295,6 @@ struct snd_azf3328 {
 	 * CONFIG_PM register storage below, but that's slightly difficult. */
 	u16 shadow_reg_ctrl_6AH;
 
-#ifdef CONFIG_PM_SLEEP
 	/* register value containers for power management
 	 * Note: not always full I/O range preserved (similar to Win driver!) */
 	u32 saved_regs_ctrl[AZF_ALIGN(AZF_IO_SIZE_CTRL_PM) / 4];
@@ -304,7 +302,6 @@ struct snd_azf3328 {
 	u32 saved_regs_mpu[AZF_ALIGN(AZF_IO_SIZE_MPU_PM) / 4];
 	u32 saved_regs_opl3[AZF_ALIGN(AZF_IO_SIZE_OPL3_PM) / 4];
 	u32 saved_regs_mixer[AZF_ALIGN(AZF_IO_SIZE_MIXER_PM) / 4];
-#endif
 };
 
 static const struct pci_device_id snd_azf3328_ids[] = {
@@ -365,15 +362,6 @@ snd_azf3328_codec_inw(const struct snd_azf3328_codec_data *codec, unsigned reg)
 }
 
 static inline void
-snd_azf3328_codec_outl(const struct snd_azf3328_codec_data *codec,
-		       unsigned reg,
-		       u32 value
-)
-{
-	outl(value, codec->io_base + reg);
-}
-
-static inline void
 snd_azf3328_codec_outl_multi(const struct snd_azf3328_codec_data *codec,
 			     unsigned reg, const void *buffer, int count
 )
@@ -424,25 +412,25 @@ snd_azf3328_ctrl_outl(const struct snd_azf3328 *chip, unsigned reg, u32 value)
 	outl(value, chip->ctrl_io + reg);
 }
 
-static inline void
+static inline void __maybe_unused
 snd_azf3328_game_outb(const struct snd_azf3328 *chip, unsigned reg, u8 value)
 {
 	outb(value, chip->game_io + reg);
 }
 
-static inline void
+static inline void __maybe_unused
 snd_azf3328_game_outw(const struct snd_azf3328 *chip, unsigned reg, u16 value)
 {
 	outw(value, chip->game_io + reg);
 }
 
-static inline u8
+static inline u8 __maybe_unused
 snd_azf3328_game_inb(const struct snd_azf3328 *chip, unsigned reg)
 {
 	return inb(chip->game_io + reg);
 }
 
-static inline u16
+static inline u16 __maybe_unused
 snd_azf3328_game_inw(const struct snd_azf3328 *chip, unsigned reg)
 {
 	return inw(chip->game_io + reg);
@@ -1195,11 +1183,12 @@ snd_azf3328_mixer_new(struct snd_azf3328 *chip)
 	sw = snd_azf3328_mixer_controls;
 	for (idx = 0; idx < ARRAY_SIZE(snd_azf3328_mixer_controls);
 			++idx, ++sw) {
-		if ((err = snd_ctl_add(chip->card, snd_ctl_new1(sw, chip))) < 0)
+		err = snd_ctl_add(chip->card, snd_ctl_new1(sw, chip));
+		if (err < 0)
 			return err;
 	}
 	snd_component_add(card, "AZF3328 mixer");
-	strcpy(card->mixername, "AZF3328 mixer");
+	strscpy(card->mixername, "AZF3328 mixer");
 
 	return 0;
 }
@@ -1212,7 +1201,6 @@ snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
 			       unsigned int channels
 )
 {
-	unsigned long flags;
 	u16 val = 0xff00;
 	u8 freq = 0;
 
@@ -1231,8 +1219,8 @@ snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
 	case AZF_FREQ_22050: freq = SOUNDFORMAT_FREQ_22050; break;
 	case AZF_FREQ_32000: freq = SOUNDFORMAT_FREQ_32000; break;
 	default:
-		snd_printk(KERN_WARNING "unknown bitrate %d, assuming 44.1kHz!\n", bitrate);
-		/* fall-through */
+		pr_warn("azf3328: unknown bitrate %d, assuming 44.1kHz!\n", bitrate);
+		fallthrough;
 	case AZF_FREQ_44100: freq = SOUNDFORMAT_FREQ_44100; break;
 	case AZF_FREQ_48000: freq = SOUNDFORMAT_FREQ_48000; break;
 	case AZF_FREQ_66200: freq = SOUNDFORMAT_FREQ_SUSPECTED_66200; break;
@@ -1255,7 +1243,7 @@ snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
 	if (format_width == 16)
 		val |= SOUNDFORMAT_FLAG_16BIT;
 
-	spin_lock_irqsave(codec->lock, flags);
+	guard(spinlock_irqsave)(codec->lock);
 
 	/* set bitrate/format */
 	snd_azf3328_codec_outw(codec, IDX_IO_CODEC_SOUNDFORMAT, val);
@@ -1277,8 +1265,6 @@ snd_azf3328_codec_setfmt(struct snd_azf3328_codec_data *codec,
 			DMA_EPILOGUE_SOMETHING |
 			DMA_SOMETHING_ELSE
 		);
-
-	spin_unlock_irqrestore(codec->lock, flags);
 }
 
 static inline void
@@ -1384,15 +1370,13 @@ snd_azf3328_codec_setdmaa(struct snd_azf3328 *chip,
 	if (!codec->running) {
 		/* AZF3328 uses a two buffer pointer DMA transfer approach */
 
-		unsigned long flags;
-
 		/* width 32bit (prevent overflow): */
 		u32 area_length;
 		struct codec_setup_io {
 			u32 dma_start_1;
 			u32 dma_start_2;
 			u32 dma_lengths;
-		} __attribute__((packed)) setup_io;
+		} __packed setup_io;
 
 		area_length = buffer_bytes/2;
 
@@ -1416,11 +1400,10 @@ snd_azf3328_codec_setdmaa(struct snd_azf3328 *chip,
 		/* build combined I/O buffer length word */
 		setup_io.dma_lengths = (area_length << 16) | (area_length);
 
-		spin_lock_irqsave(codec->lock, flags);
+		guard(spinlock_irqsave)(codec->lock);
 		snd_azf3328_codec_outl_multi(
 			codec, IDX_IO_CODEC_DMA_START_1, &setup_io, 3
 		);
-		spin_unlock_irqrestore(codec->lock, flags);
 	}
 }
 
@@ -1475,48 +1458,48 @@ snd_azf3328_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 			snd_pcm_format_width(runtime->format),
 			runtime->channels);
 
-		spin_lock(codec->lock);
-		/* first, remember current value: */
-		flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
+		scoped_guard(spinlock, codec->lock) {
+			/* first, remember current value: */
+			flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
 
-		/* stop transfer */
-		flags1 &= ~DMA_RESUME;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+			/* stop transfer */
+			flags1 &= ~DMA_RESUME;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
 
-		/* FIXME: clear interrupts or what??? */
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_IRQTYPE, 0xffff);
-		spin_unlock(codec->lock);
+			/* FIXME: clear interrupts or what??? */
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_IRQTYPE, 0xffff);
+		}
 
 		snd_azf3328_codec_setdmaa(chip, codec, runtime->dma_addr,
 			snd_pcm_lib_period_bytes(substream),
 			snd_pcm_lib_buffer_bytes(substream)
 		);
 
-		spin_lock(codec->lock);
+		scoped_guard(spinlock, codec->lock) {
 #ifdef WIN9X
-		/* FIXME: enable playback/recording??? */
-		flags1 |= DMA_RUN_SOMETHING1 | DMA_RUN_SOMETHING2;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
-
-		/* start transfer again */
-		/* FIXME: what is this value (0x0010)??? */
-		flags1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+			/* FIXME: enable playback/recording??? */
+			flags1 |= DMA_RUN_SOMETHING1 | DMA_RUN_SOMETHING2;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+
+			/* start transfer again */
+			/* FIXME: what is this value (0x0010)??? */
+			flags1 |= DMA_RESUME | DMA_EPILOGUE_SOMETHING;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
 #else /* NT4 */
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
-			0x0000);
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
-			DMA_RUN_SOMETHING1);
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
-			DMA_RUN_SOMETHING1 |
-			DMA_RUN_SOMETHING2);
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
-			DMA_RESUME |
-			SOMETHING_ALMOST_ALWAYS_SET |
-			DMA_EPILOGUE_SOMETHING |
-			DMA_SOMETHING_ELSE);
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
+					       0x0000);
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
+					       DMA_RUN_SOMETHING1);
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
+					       DMA_RUN_SOMETHING1 |
+					       DMA_RUN_SOMETHING2);
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
+					       DMA_RESUME |
+					       SOMETHING_ALMOST_ALWAYS_SET |
+					       DMA_EPILOGUE_SOMETHING |
+					       DMA_SOMETHING_ELSE);
 #endif
-		spin_unlock(codec->lock);
+		}
 		snd_azf3328_ctrl_codec_activity(chip, codec->type, 1);
 
 		if (is_main_mixer_playback_codec) {
@@ -1532,14 +1515,14 @@ snd_azf3328_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	case SNDRV_PCM_TRIGGER_RESUME:
 		dev_dbg(chip->card->dev, "PCM RESUME %s\n", codec->name);
 		/* resume codec if we were active */
-		spin_lock(codec->lock);
-		if (codec->running)
-			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
-				snd_azf3328_codec_inw(
-					codec, IDX_IO_CODEC_DMA_FLAGS
-				) | DMA_RESUME
-			);
-		spin_unlock(codec->lock);
+		scoped_guard(spinlock, codec->lock) {
+			if (codec->running)
+				snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS,
+						       snd_azf3328_codec_inw(
+									     codec, IDX_IO_CODEC_DMA_FLAGS
+									     ) | DMA_RESUME
+						       );
+		}
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 		dev_dbg(chip->card->dev, "PCM STOP %s\n", codec->name);
@@ -1552,22 +1535,22 @@ snd_azf3328_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 				);
 		}
 
-		spin_lock(codec->lock);
-		/* first, remember current value: */
-		flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
+		scoped_guard(spinlock, codec->lock) {
+			/* first, remember current value: */
+			flags1 = snd_azf3328_codec_inw(codec, IDX_IO_CODEC_DMA_FLAGS);
 
-		/* stop transfer */
-		flags1 &= ~DMA_RESUME;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+			/* stop transfer */
+			flags1 &= ~DMA_RESUME;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
 
-		/* hmm, is this really required? we're resetting the same bit
-		 * immediately thereafter... */
-		flags1 |= DMA_RUN_SOMETHING1;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+			/* hmm, is this really required? we're resetting the same bit
+			 * immediately thereafter... */
+			flags1 |= DMA_RUN_SOMETHING1;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
 
-		flags1 &= ~DMA_RUN_SOMETHING1;
-		snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
-		spin_unlock(codec->lock);
+			flags1 &= ~DMA_RUN_SOMETHING1;
+			snd_azf3328_codec_outw(codec, IDX_IO_CODEC_DMA_FLAGS, flags1);
+		}
 		snd_azf3328_ctrl_codec_activity(chip, codec->type, 0);
 
 		if (is_main_mixer_playback_codec) {
@@ -1735,12 +1718,11 @@ snd_azf3328_gameport_cooked_read(struct gameport *gameport,
 	struct snd_azf3328 *chip = gameport_get_port_data(gameport);
 	int i;
 	u8 val;
-	unsigned long flags;
 
 	if (snd_BUG_ON(!chip))
 		return 0;
 
-	spin_lock_irqsave(&chip->reg_lock, flags);
+	guard(spinlock_irqsave)(&chip->reg_lock);
 	val = snd_azf3328_game_inb(chip, IDX_GAME_LEGACY_COMPATIBLE);
 	*buttons = (~(val) >> 4) & 0xf;
 
@@ -1777,7 +1759,6 @@ snd_azf3328_gameport_cooked_read(struct gameport *gameport,
 	snd_azf3328_game_outb(chip, IDX_GAME_AXES_CONFIG, val);
 
 	snd_azf3328_game_outw(chip, IDX_GAME_AXIS_VALUE, 0xffff);
-	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	for (i = 0; i < ARRAY_SIZE(chip->axes); i++) {
 		axes[i] = chip->axes[i];
@@ -1874,11 +1855,11 @@ snd_azf3328_pcm_interrupt(struct snd_azf3328 *chip,
 		if (!(status & (1 << codec_type)))
 			continue;
 
-		spin_lock(codec->lock);
-		which = snd_azf3328_codec_inb(codec, IDX_IO_CODEC_IRQTYPE);
-		/* ack all IRQ types immediately */
-		snd_azf3328_codec_outb(codec, IDX_IO_CODEC_IRQTYPE, which);
-		spin_unlock(codec->lock);
+		scoped_guard(spinlock, codec->lock) {
+			which = snd_azf3328_codec_inb(codec, IDX_IO_CODEC_IRQTYPE);
+			/* ack all IRQ types immediately */
+			snd_azf3328_codec_outb(codec, IDX_IO_CODEC_IRQTYPE, which);
+		}
 
 		if (codec->substream) {
 			snd_pcm_period_elapsed(codec->substream);
@@ -1923,9 +1904,9 @@ snd_azf3328_interrupt(int irq, void *dev_id)
 		if (chip->timer)
 			snd_timer_interrupt(chip->timer, chip->timer->sticks);
 		/* ACK timer */
-                spin_lock(&chip->reg_lock);
-		snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x07);
-		spin_unlock(&chip->reg_lock);
+		scoped_guard(spinlock, &chip->reg_lock) {
+			snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x07);
+		}
 		dev_dbg(chip->card->dev, "timer IRQ\n");
 	}
 
@@ -2106,7 +2087,7 @@ snd_azf3328_pcm(struct snd_azf3328 *chip)
 
 	pcm->private_data = chip;
 	pcm->info_flags = 0;
-	strcpy(pcm->name, chip->card->shortname);
+	strscpy(pcm->name, chip->card->shortname);
 	/* same pcm object for playback/capture (see snd_pcm_new() above) */
 	chip->pcm[AZF_CODEC_PLAYBACK] = pcm;
 	chip->pcm[AZF_CODEC_CAPTURE] = pcm;
@@ -2123,7 +2104,7 @@ snd_azf3328_pcm(struct snd_azf3328 *chip)
 
 	pcm->private_data = chip;
 	pcm->info_flags = 0;
-	strcpy(pcm->name, chip->card->shortname);
+	strscpy(pcm->name, chip->card->shortname);
 	chip->pcm[AZF_CODEC_I2S_OUT] = pcm;
 
 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
@@ -2148,7 +2129,6 @@ static int
 snd_azf3328_timer_start(struct snd_timer *timer)
 {
 	struct snd_azf3328 *chip;
-	unsigned long flags;
 	unsigned int delay;
 
 	chip = snd_timer_chip(timer);
@@ -2163,9 +2143,8 @@ snd_azf3328_timer_start(struct snd_timer *timer)
 	}
 	dev_dbg(chip->card->dev, "setting timer countdown value %d\n", delay);
 	delay |= TIMER_COUNTDOWN_ENABLE | TIMER_IRQ_ENABLE;
-	spin_lock_irqsave(&chip->reg_lock, flags);
+	guard(spinlock_irqsave)(&chip->reg_lock);
 	snd_azf3328_ctrl_outl(chip, IDX_IO_TIMER_VALUE, delay);
-	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	return 0;
 }
 
@@ -2173,10 +2152,9 @@ static int
 snd_azf3328_timer_stop(struct snd_timer *timer)
 {
 	struct snd_azf3328 *chip;
-	unsigned long flags;
 
 	chip = snd_timer_chip(timer);
-	spin_lock_irqsave(&chip->reg_lock, flags);
+	guard(spinlock_irqsave)(&chip->reg_lock);
 	/* disable timer countdown and interrupt */
 	/* Hmm, should we write TIMER_IRQ_ACK here?
 	   YES indeed, otherwise a rogue timer operation - which prompts
@@ -2185,7 +2163,6 @@ snd_azf3328_timer_stop(struct snd_timer *timer)
 	   Simply manually poking 0x04 _once_ immediately successfully stops
 	   the hardware/ALSA interrupt activity. */
 	snd_azf3328_ctrl_outb(chip, IDX_IO_TIMER_VALUE + 3, 0x04);
-	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	return 0;
 }
 
@@ -2228,7 +2205,7 @@ snd_azf3328_timer(struct snd_azf3328 *chip, int device)
 	if (err < 0)
 		goto out;
 
-	strcpy(timer->name, "AZF3328 timer");
+	strscpy(timer->name, "AZF3328 timer");
 	timer->private_data = chip;
 	timer->hw = snd_azf3328_timer_hw;
 
@@ -2244,32 +2221,15 @@ out:
 
 /******************************************************************/
 
-static int
-snd_azf3328_free(struct snd_azf3328 *chip)
+static void
+snd_azf3328_free(struct snd_card *card)
 {
-	if (chip->irq < 0)
-		goto __end_hw;
+	struct snd_azf3328 *chip = card->private_data;
 
 	snd_azf3328_mixer_reset(chip);
 
 	snd_azf3328_timer_stop(chip->timer);
 	snd_azf3328_gameport_free(chip);
-
-__end_hw:
-	if (chip->irq >= 0)
-		free_irq(chip->irq, chip);
-	pci_release_regions(chip->pci);
-	pci_disable_device(chip->pci);
-
-	kfree(chip);
-	return 0;
-}
-
-static int
-snd_azf3328_dev_free(struct snd_device *device)
-{
-	struct snd_azf3328 *chip = device->device_data;
-	return snd_azf3328_free(chip);
 }
 
 #if 0
@@ -2350,47 +2310,34 @@ snd_azf3328_debug_show_ports(const struct snd_azf3328 *chip)
 static int
 snd_azf3328_create(struct snd_card *card,
 		   struct pci_dev *pci,
-		   unsigned long device_type,
-		   struct snd_azf3328 **rchip)
+		   unsigned long device_type)
 {
-	struct snd_azf3328 *chip;
+	struct snd_azf3328 *chip = card->private_data;
 	int err;
-	static const struct snd_device_ops ops = {
-		.dev_free =     snd_azf3328_dev_free,
-	};
 	u8 dma_init;
 	enum snd_azf3328_codec_type codec_type;
 	struct snd_azf3328_codec_data *codec_setup;
 
-	*rchip = NULL;
-
-	err = pci_enable_device(pci);
+	err = pcim_enable_device(pci);
 	if (err < 0)
 		return err;
 
-	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-	if (chip == NULL) {
-		err = -ENOMEM;
-		goto out_err;
-	}
 	spin_lock_init(&chip->reg_lock);
 	chip->card = card;
 	chip->pci = pci;
 	chip->irq = -1;
 
 	/* check if we can restrict PCI DMA transfers to 24 bits */
-	if (dma_set_mask(&pci->dev, DMA_BIT_MASK(24)) < 0 ||
-	    dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(24)) < 0) {
+	if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(24))) {
 		dev_err(card->dev,
 			"architecture does not support 24bit PCI busmaster DMA\n"
 		);
-		err = -ENXIO;
-		goto out_err;
+		return -ENXIO;
 	}
 
-	err = pci_request_regions(pci, "Aztech AZF3328");
+	err = pcim_request_all_regions(pci, "Aztech AZF3328");
 	if (err < 0)
-		goto out_err;
+		return err;
 
 	chip->ctrl_io  = pci_resource_start(pci, 0);
 	chip->game_io  = pci_resource_start(pci, 1);
@@ -2416,26 +2363,22 @@ snd_azf3328_create(struct snd_card *card,
 	codec_setup->type = AZF_CODEC_I2S_OUT;
 	codec_setup->name = "I2S_OUT";
 
-	if (request_irq(pci->irq, snd_azf3328_interrupt,
-			IRQF_SHARED, KBUILD_MODNAME, chip)) {
+	if (devm_request_irq(&pci->dev, pci->irq, snd_azf3328_interrupt,
+			     IRQF_SHARED, KBUILD_MODNAME, chip)) {
 		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
-		err = -EBUSY;
-		goto out_err;
+		return -EBUSY;
 	}
 	chip->irq = pci->irq;
 	card->sync_irq = chip->irq;
+	card->private_free = snd_azf3328_free;
 	pci_set_master(pci);
 
 	snd_azf3328_debug_show_ports(chip);
 
-	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
-	if (err < 0)
-		goto out_err;
-
 	/* create mixer interface & switches */
 	err = snd_azf3328_mixer_new(chip);
 	if (err < 0)
-		goto out_err;
+		return err;
 
 	/* standard codec init stuff */
 		/* default DMA init value */
@@ -2448,31 +2391,19 @@ snd_azf3328_create(struct snd_card *card,
 
 		/* shutdown codecs to reduce power / noise */
 			/* have ...ctrl_codec_activity() act properly */
-		codec->running = 1;
+		codec->running = true;
 		snd_azf3328_ctrl_codec_activity(chip, codec_type, 0);
 
-		spin_lock_irq(codec->lock);
+		guard(spinlock_irq)(codec->lock);
 		snd_azf3328_codec_outb(codec, IDX_IO_CODEC_DMA_FLAGS,
 						 dma_init);
-		spin_unlock_irq(codec->lock);
 	}
 
-	*rchip = chip;
-
-	err = 0;
-	goto out;
-
-out_err:
-	if (chip)
-		snd_azf3328_free(chip);
-	pci_disable_device(pci);
-
-out:
-	return err;
+	return 0;
 }
 
 static int
-snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+__snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 {
 	static int dev;
 	struct snd_card *card;
@@ -2480,29 +2411,25 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 	struct snd_opl3 *opl3;
 	int err;
 
-	if (dev >= SNDRV_CARDS) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (dev >= SNDRV_CARDS)
+		return -ENODEV;
 	if (!enable[dev]) {
 		dev++;
-		err = -ENOENT;
-		goto out;
+		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)
-		goto out;
+		return err;
+	chip = card->private_data;
 
-	strcpy(card->driver, "AZF3328");
-	strcpy(card->shortname, "Aztech AZF3328 (PCI168)");
+	strscpy(card->driver, "AZF3328");
+	strscpy(card->shortname, "Aztech AZF3328 (PCI168)");
 
-	err = snd_azf3328_create(card, pci, pci_id->driver_data, &chip);
+	err = snd_azf3328_create(card, pci, pci_id->driver_data);
 	if (err < 0)
-		goto out_err;
-
-	card->private_data = chip;
+		return err;
 
 	/* chose to use MPU401_HW_AZT2320 ID instead of MPU401_HW_MPU401,
 	   since our hardware ought to be similar, thus use same ID. */
@@ -2516,16 +2443,16 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 		dev_err(card->dev, "no MPU-401 device at 0x%lx?\n",
 				chip->mpu_io
 		);
-		goto out_err;
+		return err;
 	}
 
 	err = snd_azf3328_timer(chip, 0);
 	if (err < 0)
-		goto out_err;
+		return err;
 
 	err = snd_azf3328_pcm(chip);
 	if (err < 0)
-		goto out_err;
+		return err;
 
 	if (snd_opl3_create(card, chip->opl3_io, chip->opl3_io+2,
 			    OPL3_HW_AUTO, 1, &opl3) < 0) {
@@ -2536,10 +2463,10 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 		/* need to use IDs 1, 2 since ID 0 is snd_azf3328_timer above */
 		err = snd_opl3_timer_new(opl3, 1, 2);
 		if (err < 0)
-			goto out_err;
+			return err;
 		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 		if (err < 0)
-			goto out_err;
+			return err;
 		opl3->private_data = chip;
 	}
 
@@ -2548,7 +2475,7 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 
 	err = snd_card_register(card);
 	if (err < 0)
-		goto out_err;
+		return err;
 
 #ifdef MODULE
 	dev_info(card->dev,
@@ -2566,25 +2493,15 @@ snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 
 	pci_set_drvdata(pci, card);
 	dev++;
-
-	err = 0;
-	goto out;
-
-out_err:
-	dev_err(card->dev, "something failed, exiting\n");
-	snd_card_free(card);
-
-out:
-	return err;
+	return 0;
 }
 
-static void
-snd_azf3328_remove(struct pci_dev *pci)
+static int
+snd_azf3328_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 {
-	snd_card_free(pci_get_drvdata(pci));
+	return snd_card_free_on_error(&pci->dev, __snd_azf3328_probe(pci, pci_id));
 }
 
-#ifdef CONFIG_PM_SLEEP
 static inline void
 snd_azf3328_suspend_regs(const struct snd_azf3328 *chip,
 			 unsigned long io_addr, unsigned count, u32 *saved_regs)
@@ -2700,19 +2617,14 @@ snd_azf3328_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(snd_azf3328_pm, snd_azf3328_suspend, snd_azf3328_resume);
-#define SND_AZF3328_PM_OPS	&snd_azf3328_pm
-#else
-#define SND_AZF3328_PM_OPS	NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(snd_azf3328_pm, snd_azf3328_suspend, snd_azf3328_resume);
 
 static struct pci_driver azf3328_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = snd_azf3328_ids,
 	.probe = snd_azf3328_probe,
-	.remove = snd_azf3328_remove,
 	.driver = {
-		.pm = SND_AZF3328_PM_OPS,
+		.pm = &snd_azf3328_pm,
 	},
 };