linux-kernel - Move snd_legacy_find_free

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Message-Id: <201208011605.39519.linux@rainbow-software.org>
Date:	Wed, 1 Aug 2012 16:05:39 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	alsa-devel@...a-project.org
Cc:	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Move snd_legacy_find_free_ioport to initval.h

Move snd_legacy_find_free_ioport() function back to initval.h as it is used
by two drivers.

Signed-off-by: Ondrej Zary <linux@...nbow-software.org>

diff --git a/include/sound/initval.h b/include/sound/initval.h
index f99a0d2..ac62c67 100644
--- a/include/sound/initval.h
+++ b/include/sound/initval.h
@@ -50,6 +50,20 @@
 #define SNDRV_DEFAULT_DMA_SIZE	{ [0 ... (SNDRV_CARDS-1)] = SNDRV_AUTO_DMA_SIZE }
 #define SNDRV_DEFAULT_PTR	SNDRV_DEFAULT_STR
 
+#ifdef SNDRV_LEGACY_FIND_FREE_IOPORT
+static long snd_legacy_find_free_ioport(long *port_table, long size)
+{
+	while (*port_table != -1) {
+		if (request_region(*port_table, size, "ALSA test")) {
+			release_region(*port_table, size);
+			return *port_table;
+		}
+		port_table++;
+	}
+	return -1;
+}
+#endif
+
 #ifdef SNDRV_LEGACY_FIND_FREE_IRQ
 #include <linux/interrupt.h>
 
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index c24594c..3d1afb6 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -37,6 +37,7 @@
 #include <sound/opl4.h>
 #include <sound/control.h>
 #include <sound/info.h>
+#define SNDRV_LEGACY_FIND_FREE_IOPORT
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
@@ -770,20 +771,6 @@ static int __devinit snd_miro_mixer(struct snd_card *card,
 	return 0;
 }
 
-static long snd_legacy_find_free_ioport(long *port_table, long size)
-{
-	while (*port_table != -1) {
-		struct resource *res;
-		if ((res = request_region(*port_table, size, 
-					  "ALSA test")) != NULL) {
-			release_and_free_resource(res);
-			return *port_table;
-		}
-		port_table++;
-	}
-	return -1;
-}
-
 static int __devinit snd_miro_init(struct snd_miro *chip,
 				   unsigned short hardware)
 {
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index f8fbe22..2899c9f 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -39,6 +39,7 @@
 #ifndef OPTi93X
 #include <sound/opl4.h>
 #endif
+#define SNDRV_LEGACY_FIND_FREE_IOPORT
 #define SNDRV_LEGACY_FIND_FREE_IRQ
 #define SNDRV_LEGACY_FIND_FREE_DMA
 #include <sound/initval.h>
@@ -185,19 +186,6 @@ static char * snd_opti9xx_names[] = {
 	"82C930",	"82C931",	"82C933"
 };
 
-
-static long __devinit snd_legacy_find_free_ioport(long *port_table, long size)
-{
-	while (*port_table != -1) {
-		if (request_region(*port_table, size, "ALSA test")) {
-			release_region(*port_table, size);
-			return *port_table;
-		}
-		port_table++;
-	}
-	return -1;
-}
-
 static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
 				      unsigned short hardware)
 {


-- 
Ondrej Zary
--
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