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Subject[PATCH] 12/41 sound/oss/nm256_audio.c - convert cli to spinlocks
From
--- vanilla-2.5.32/sound/oss/nm256_audio.c	Sat Apr 20 18:25:20 2002
+++ linux-2.5-cli-oss/sound/oss/nm256_audio.c Tue Aug 13 15:38:21 2002
@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/delay.h>
+#include <linux/spinlock.h>
#include "sound_config.h"
#include "nm256.h"
#include "nm256_coeff.h"
@@ -262,8 +263,7 @@
return;
}

- save_flags (flags);
- cli ();
+ spin_lock_irqsave(&card->lock,flags);
/*
* If we're not currently recording, set up the start and end registers
* for the recording engine.
@@ -283,7 +283,7 @@
}
else {
/* Not sure what else to do here. */
- restore_flags (flags);
+ spin_unlock_irqrestore(&card->lock,flags);
return;
}
}
@@ -303,7 +303,7 @@
nm256_writePort8 (card, 2, NM_RECORD_ENABLE_REG,
NM_RECORD_ENABLE_FLAG | NM_RECORD_FREERUN);

- restore_flags (flags);
+ spin_unlock_irqrestore(&card->lock,flags);
}

/* Stop the play engine. */
@@ -370,8 +370,7 @@

card->requested_amt = amt;

- save_flags (flags);
- cli ();
+ spin_lock_irqsave(&card->lock,flags);

if ((card->curPlayPos + amt) >= ringsize) {
u32 rem = ringsize - card->curPlayPos;
@@ -418,7 +417,7 @@
if (! card->playing)
startPlay (card);

- restore_flags (flags);
+ spin_unlock_irqrestore(&card->lock,flags);
}

/* We just got a card playback interrupt; process it. */
@@ -829,8 +828,7 @@

base = card->mixer;

- save_flags (flags);
- cli ();
+ spin_lock_irqsave(&card->lock,flags);

nm256_isReady (dev);

@@ -844,7 +842,7 @@

}

- restore_flags (flags);
+ spin_unlock_irqrestore(&card->lock,flags);
udelay (1000);

return ! done;
@@ -1055,6 +1053,7 @@
card->playing = 0;
card->recording = 0;
card->rev = rev;
+ spin_lock_init(&card->lock);

/* Init the memory port info. */
for (x = 0; x < 2; x++) {
-
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