"Gadiyar, Anand" <gadiyar@xxxxxx> writes:
> This patch adds MUSB support for OMAP34XX.
[...]
> +static void musb_do_idle(unsigned long _musb)
> +{
> + struct musb *musb = (void *)_musb;
> + unsigned long flags;
> + u8 power;
> + u8 devctl;
> +
> + devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
> +
> + spin_lock_irqsave(&musb->lock, flags);
This lock is never unlocked.
Might I recommend you turn on CONFIG_PREEMPT, and spinlock debugging
when testing. The various lock debugging features in the 'Kernel
Hacking' menu are extremely useful for this kind of thing.
Kevin
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