From: Konstantin Baydarov Date: Thu, 27 Oct 2005 15:25:02 +0000 (+0200) Subject: [ALSA] AMD Au1x00 driver: buggy spinlocks X-Git-Tag: v2.6.15-rc1~451^2~12 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=708f997169d5674177450f25ef3ac6b4f2562690;p=linux-2.6 [ALSA] AMD Au1x00 driver: buggy spinlocks Modules: MIPS AU1x00 driver AMD Au1x00 ALSA driver fails compilation with the alternate spinlock implementation because it doesn't do locking/unlocking correctly in some places (passes spinlock by value). Signed-off-by: Konstantin Baydarov Signed-off-by: Sergei Shtylyov Signed-off-by: Takashi Iwai --- diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c index 2df78a64c7..d08a42b24b 100644 --- a/sound/mips/au1x00.c +++ b/sound/mips/au1x00.c @@ -472,7 +472,7 @@ snd_au1000_ac97_read(ac97_t *ac97, unsigned short reg) u32 volatile cmd; u16 volatile data; int i; - spin_lock(au1000->ac97_lock); + spin_lock(&au1000->ac97_lock); /* would rather use the interupt than this polling but it works and I can't get the interupt driven case to work efficiently */ for (i = 0; i < 0x5000; i++) @@ -495,7 +495,7 @@ get the interupt driven case to work efficiently */ } data = au1000->ac97_ioport->cmd & 0xffff; - spin_unlock(au1000->ac97_lock); + spin_unlock(&au1000->ac97_lock); return data; @@ -507,7 +507,7 @@ snd_au1000_ac97_write(ac97_t *ac97, unsigned short reg, unsigned short val) { u32 cmd; int i; - spin_lock(au1000->ac97_lock); + spin_lock(&au1000->ac97_lock); /* would rather use the interupt than this polling but it works and I can't get the interupt driven case to work efficiently */ for (i = 0; i < 0x5000; i++) @@ -520,7 +520,7 @@ get the interupt driven case to work efficiently */ cmd &= ~AC97C_READ; cmd |= ((u32) val << AC97C_WD_BIT); au1000->ac97_ioport->cmd = cmd; - spin_unlock(au1000->ac97_lock); + spin_unlock(&au1000->ac97_lock); } static void snd_au1000_ac97_free(ac97_t *ac97)