[PATCH] soundblaster check_region() removal

moved request_region() to callers of sb_dsp_...()
Signed-off-by: Al Viro <viro@parcelfarce.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

sound/oss/kahlua.c

@@ -156,10 +156,14 @@ static int __devinit probe_one(struct pci_dev *pdev, const struct pci_device_id
 	hw_config->dma2 = dma16;
 	hw_config->name = "Cyrix XpressAudio";
 	hw_config->driver_use_1 = SB_NO_MIDI | SB_PCI_IRQ;
+
+	if (!request_region(io, 16, "soundblaster"))
+		goto err_out_free;
 	
 	if(sb_dsp_detect(hw_config, 0, 0, NULL)==0)
 	{
 		printk(KERN_ERR "kahlua: audio not responding.\n");
+		release_region(io, 16);
 		goto err_out_free;
 	}
 

sound/oss/mad16.c

@@ -732,8 +732,12 @@ static int __init probe_mad16_mpu(struct address_info *hw_config)
 
 		mad_write(MC3_PORT, tmp | 0x04);
 		hw_config->driver_use_1 = SB_MIDI_ONLY;
-		if (!sb_dsp_detect(hw_config, 0, 0, NULL))
+		if (!request_region(hw_config->io_base, 16, "soundblaster"))
 			return 0;
+		if (!sb_dsp_detect(hw_config, 0, 0, NULL)) {
+			release_region(hw_config->io_base, 16);
+			return 0;
+		}
 
 		if (mad_read(MC1_PORT) & 0x20)
 			hw_config->io_base = 0x240;

sound/oss/sb_card.c

@@ -100,7 +100,14 @@ MODULE_PARM_DESC(uart401,  "When set to 1, will attempt to detect and enable"\
 /* OSS subsystem card registration shared by PnP and legacy routines */
 static int sb_register_oss(struct sb_card_config *scc, struct sb_module_options *sbmo)
 {
-	if(!sb_dsp_detect(&scc->conf, 0, 0, sbmo)) {
+	if (!request_region(scc->conf.io_base, 16, "soundblaster")) {
+		printk(KERN_ERR "sb: ports busy.\n");
+		kfree(scc);
+		return -EBUSY;
+	}
+
+	if (!sb_dsp_detect(&scc->conf, 0, 0, sbmo)) {
+		release_region(scc->conf.io_base, 16);
 		printk(KERN_ERR "sb: Failed DSP Detect.\n");
 		kfree(scc);
 		return -ENODEV;

sound/oss/sb_common.c

@@ -520,13 +520,6 @@ int sb_dsp_detect(struct address_info *hw_config, int pci, int pciio, struct sb_
 	 */
 	
 	DDB(printk("sb_dsp_detect(%x) entered\n", hw_config->io_base));
-	if (check_region(hw_config->io_base, 16))
-	{
-#ifdef MODULE
-		printk(KERN_INFO "sb: I/O region in use.\n");
-#endif
-		return 0;
-	}
 
 	devc->lock = SPIN_LOCK_UNLOCKED;
 	devc->type = hw_config->card_subtype;
@@ -668,6 +661,7 @@ int sb_dsp_init(struct address_info *hw_config, struct module *owner)
 	if (devc->base != hw_config->io_base)
 	{
 		DDB(printk("I/O port mismatch\n"));
+		release_region(devc->base, 16);
 		return 0;
 	}
 	/*
@@ -689,6 +683,7 @@ int sb_dsp_init(struct address_info *hw_config, struct module *owner)
 		if (request_irq(hw_config->irq, sbintr, i, "soundblaster", devc) < 0)
 		{
 			printk(KERN_ERR "SB: Can't allocate IRQ%d\n", hw_config->irq);
+			release_region(devc->base, 16);
 			return 0;
 		}
 		devc->irq_ok = 0;
@@ -697,6 +692,7 @@ int sb_dsp_init(struct address_info *hw_config, struct module *owner)
 			if (!sb16_set_irq_hw(devc, devc->irq))	/* Unsupported IRQ */
 			{
 				free_irq(devc->irq, devc);
+				release_region(devc->base, 16);
 				return 0;
 			}
 		if ((devc->type == 0 || devc->type == MDL_ESS) &&
@@ -735,7 +731,6 @@ int sb_dsp_init(struct address_info *hw_config, struct module *owner)
 			}
 		}
 	}			/* IRQ setup */
-	request_region(hw_config->io_base, 16, "soundblaster");
 
 	last_sb = devc;
 	

sound/oss/trix.c

@@ -276,6 +276,8 @@ static int __init probe_trix_sb(struct address_info *hw_config)
 
 	int tmp;
 	unsigned char conf;
+	extern int sb_be_quiet;
+	int old_quiet;
 	static signed char irq_translate[] = {
 		-1, -1, -1, 0, 1, 2, -1, 3
 	};
@@ -289,11 +291,6 @@ static int __init probe_trix_sb(struct address_info *hw_config)
 	if (sb_initialized)
 		return 0;
 
-	if (check_region(hw_config->io_base, 16))
-	{
-		printk(KERN_ERR "AudioTrix: SB I/O port conflict (%x)\n", hw_config->io_base);
-		return 0;
-	}
 	if ((hw_config->io_base & 0xffffff8f) != 0x200)
 		return 0;
 
@@ -307,6 +304,11 @@ static int __init probe_trix_sb(struct address_info *hw_config)
 	if (tmp != 1 && tmp != 3)
 		return 0;
 
+	if (!request_region(hw_config->io_base, 16, "soundblaster")) {
+		printk(KERN_ERR "AudioTrix: SB I/O port conflict (%x)\n", hw_config->io_base);
+		return 0;
+	}
+
 	conf = 0x84;		/* DMA and IRQ enable */
 	conf |= hw_config->io_base & 0x70;	/* I/O address bits */
 	conf |= irq_translate[hw_config->irq];
@@ -318,13 +320,10 @@ static int __init probe_trix_sb(struct address_info *hw_config)
 	sb_initialized = 1;
 
 	hw_config->name = "AudioTrix SB";
-	return sb_dsp_detect(hw_config, 0, 0, NULL);
-}
-
-static void __init attach_trix_sb(struct address_info *hw_config)
-{
-	extern int sb_be_quiet;
-	int old_quiet;
+	if (!sb_dsp_detect(hw_config, 0, 0, NULL)) {
+		release_region(hw_config->io_base, 16);
+		return 0;
+	}
 
 	hw_config->driver_use_1 = SB_NO_MIDI | SB_NO_MIXER | SB_NO_RECORDING;
 
@@ -335,6 +334,7 @@ static void __init attach_trix_sb(struct address_info *hw_config)
 	sb_dsp_init(hw_config, THIS_MODULE);
 
 	sb_be_quiet = old_quiet;
+	return 1;
 }
 
 static int __init probe_trix_mpu(struct address_info *hw_config)
@@ -496,8 +496,6 @@ static int __init init_trix(void)
 
 	if (cfg2.io_base != -1) {
 		sb = probe_trix_sb(&cfg2);
-		if (sb)
-			attach_trix_sb(&cfg2);
 	}
 	
 	if (cfg_mpu.io_base != -1)