Messages in this thread Patch in this message |  | | Date | Thu, 29 Aug 2002 21:56:27 +0200 | Subject | [PATCH] 26/41 sound/oss/opl3sa.c - convert cli to spinlocks | From | pwaechtler@mac ... |
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--- vanilla-2.5.32/sound/oss/opl3sa.c Sat Apr 20 18:25:21 2002 +++ linux-2.5-cli-oss/sound/oss/opl3sa.c Tue Aug 13 15:36:09 2002 @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/module.h> +#include <linux/spinlock.h> #undef SB_OK @@ -37,7 +38,7 @@ static int kilroy_was_here = 0; /* Don't detect twice */ static int mpu_initialized = 0; - +static spinlock_t lock=SPIN_LOCK_UNLOCKED; static int *opl3sa_osp = NULL; static unsigned char opl3sa_read(int addr) @@ -45,12 +46,11 @@ unsigned long flags; unsigned char tmp; - save_flags(flags); - cli(); + spin_lock_irqsave(&lock,flags); outb((0x1d), 0xf86); /* password */ outb(((unsigned char) addr), 0xf86); /* address */ tmp = inb(0xf87); /* data */ - restore_flags(flags); + spin_unlock_irqrestore(&lock,flags); return tmp; } @@ -59,12 +59,11 @@ { unsigned long flags; - save_flags(flags); - cli(); + spin_lock_irqsave(&lock,flags); outb((0x1d), 0xf86); /* password */ outb(((unsigned char) addr), 0xf86); /* address */ outb(((unsigned char) data), 0xf87); /* data */ - restore_flags(flags); + spin_unlock_irqrestore(&lock,flags); } static int __init opl3sa_detect(void) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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