1 files changed, 21 insertions, 43 deletions

diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index fabe393607f8..4be085d27712 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -90,11 +90,7 @@ struct voice {
  * we're not doing power management, we still need to allocate a page
  * for the silence buffer.
  */
-#ifdef CONFIG_PM_SLEEP
 #define SIS_SUSPEND_PAGES	4
-#else
-#define SIS_SUSPEND_PAGES	1
-#endif
 
 struct sis7019 {
 	unsigned long ioport;
@@ -387,9 +383,7 @@ static void __sis_unmap_silence(struct sis7019 *sis)
 
 static void sis_free_voice(struct sis7019 *sis, struct voice *voice)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&sis->voice_lock, flags);
+	guard(spinlock_irqsave)(&sis->voice_lock);
 	if (voice->timing) {
 		__sis_unmap_silence(sis);
 		voice->timing->flags &= ~(VOICE_IN_USE | VOICE_SSO_TIMING |
@@ -397,7 +391,6 @@ static void sis_free_voice(struct sis7019 *sis, struct voice *voice)
 		voice->timing = NULL;
 	}
 	voice->flags &= ~(VOICE_IN_USE | VOICE_SSO_TIMING | VOICE_SYNC_TIMING);
-	spin_unlock_irqrestore(&sis->voice_lock, flags);
 }
 
 static struct voice *__sis_alloc_playback_voice(struct sis7019 *sis)
@@ -421,14 +414,8 @@ found_one:
 
 static struct voice *sis_alloc_playback_voice(struct sis7019 *sis)
 {
-	struct voice *voice;
-	unsigned long flags;
-
-	spin_lock_irqsave(&sis->voice_lock, flags);
-	voice = __sis_alloc_playback_voice(sis);
-	spin_unlock_irqrestore(&sis->voice_lock, flags);
-
-	return voice;
+	guard(spinlock_irqsave)(&sis->voice_lock);
+	return __sis_alloc_playback_voice(sis);
 }
 
 static int sis_alloc_timing_voice(struct snd_pcm_substream *substream,
@@ -438,7 +425,6 @@ static int sis_alloc_timing_voice(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct voice *voice = runtime->private_data;
 	unsigned int period_size, buffer_size;
-	unsigned long flags;
 	int needed;
 
 	/* If there are one or two periods per buffer, we don't need a
@@ -451,11 +437,11 @@ static int sis_alloc_timing_voice(struct snd_pcm_substream *substream,
 			period_size != (buffer_size / 2));
 
 	if (needed && !voice->timing) {
-		spin_lock_irqsave(&sis->voice_lock, flags);
-		voice->timing = __sis_alloc_playback_voice(sis);
-		if (voice->timing)
-			__sis_map_silence(sis);
-		spin_unlock_irqrestore(&sis->voice_lock, flags);
+		scoped_guard(spinlock_irqsave, &sis->voice_lock) {
+			voice->timing = __sis_alloc_playback_voice(sis);
+			if (voice->timing)
+				__sis_map_silence(sis);
+		}
 		if (!voice->timing)
 			return -ENOMEM;
 		voice->timing->substream = substream;
@@ -649,17 +635,16 @@ static int sis_capture_open(struct snd_pcm_substream *substream)
 	struct sis7019 *sis = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct voice *voice = &sis->capture_voice;
-	unsigned long flags;
 
 	/* FIXME: The driver only supports recording from one channel
 	 * at the moment, but it could support more.
 	 */
-	spin_lock_irqsave(&sis->voice_lock, flags);
-	if (voice->flags & VOICE_IN_USE)
-		voice = NULL;
-	else
-		voice->flags |= VOICE_IN_USE;
-	spin_unlock_irqrestore(&sis->voice_lock, flags);
+	scoped_guard(spinlock_irqsave, &sis->voice_lock) {
+		if (voice->flags & VOICE_IN_USE)
+			voice = NULL;
+		else
+			voice->flags |= VOICE_IN_USE;
+	}
 
 	if (!voice)
 		return -EAGAIN;
@@ -872,7 +857,7 @@ static int sis_pcm_create(struct sis7019 *sis)
 		return rc;
 
 	pcm->private_data = sis;
-	strcpy(pcm->name, "SiS7019");
+	strscpy(pcm->name, "SiS7019");
 	sis->pcm = pcm;
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &sis_playback_ops);
@@ -906,7 +891,7 @@ static unsigned short sis_ac97_rw(struct sis7019 *sis, int codec, u32 cmd)
 	/* Get the AC97 semaphore -- software first, so we don't spin
 	 * pounding out IO reads on the hardware semaphore...
 	 */
-	mutex_lock(&sis->ac97_mutex);
+	guard(mutex)(&sis->ac97_mutex);
 
 	count = 0xffff;
 	while ((inw(io + SIS_AC97_SEMA) & SIS_AC97_SEMA_BUSY) && --count)
@@ -945,8 +930,6 @@ static unsigned short sis_ac97_rw(struct sis7019 *sis, int codec, u32 cmd)
 timeout_sema:
 	outl(SIS_AC97_SEMA_RELEASE, io + SIS_AC97_SEMA);
 timeout:
-	mutex_unlock(&sis->ac97_mutex);
-
 	if (!count) {
 		dev_err(&sis->pci->dev, "ac97 codec %d timeout cmd 0x%08x\n",
 					codec, cmd);
@@ -1152,7 +1135,6 @@ static int sis_chip_init(struct sis7019 *sis)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int sis_suspend(struct device *dev)
 {
 	struct snd_card *card = dev_get_drvdata(dev);
@@ -1231,11 +1213,7 @@ error:
 	return -EIO;
 }
 
-static SIMPLE_DEV_PM_OPS(sis_pm, sis_suspend, sis_resume);
-#define SIS_PM_OPS	&sis_pm
-#else
-#define SIS_PM_OPS	NULL
-#endif /* CONFIG_PM_SLEEP */
+static DEFINE_SIMPLE_DEV_PM_OPS(sis_pm, sis_suspend, sis_resume);
 
 static int sis_alloc_suspend(struct sis7019 *sis)
 {
@@ -1282,7 +1260,7 @@ static int sis_chip_create(struct snd_card *card,
 	sis->irq = -1;
 	sis->ioport = pci_resource_start(pci, 0);
 
-	rc = pci_request_regions(pci, "SiS7019");
+	rc = pcim_request_all_regions(pci, "SiS7019");
 	if (rc) {
 		dev_err(&pci->dev, "unable request regions\n");
 		return rc;
@@ -1357,8 +1335,8 @@ static int __snd_sis7019_probe(struct pci_dev *pci,
 	if (rc < 0)
 		return rc;
 
-	strcpy(card->driver, "SiS7019");
-	strcpy(card->shortname, "SiS7019");
+	strscpy(card->driver, "SiS7019");
+	strscpy(card->shortname, "SiS7019");
 	rc = sis_chip_create(card, pci);
 	if (rc)
 		return rc;
@@ -1397,7 +1375,7 @@ static struct pci_driver sis7019_driver = {
 	.id_table = snd_sis7019_ids,
 	.probe = snd_sis7019_probe,
 	.driver = {
-		.pm = SIS_PM_OPS,
+		.pm = &sis_pm,
 	},
 };