Re: sparc dbri: SMP fixes

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At Fri, 01 Sep 2006 09:11:05 +0200,
Krzysztof Helt wrote:
> 
> @@ -672,10 +678,10 @@ static s32 *dbri_cmdlock(struct snd_dbri
>   * The JUMP cmd points to the new cmd string.
>   * It also releases the cmdlock spinlock.
>   */
> -static void dbri_cmdsend(struct snd_dbri * dbri, s32 * cmd,int len)
> +static void dbri_cmdsend(struct snd_dbri * dbri, s32 * cmd,int len,int lock)

There is only one place that calls dbri_cmdsend(lock=0), namely
xmit_fixed().  Hence, I suggest not to add this argument but just add
spin_lock_irqsave()/spin_unlock_irqrestore() around the calling side
in xmit_fixed().  The spinlock per argument is hard to trace whether
the lock is really needed or not.

Otherwise the patch looks fine.

Thanks,

Takashi

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