Re: [PATCH] Philips PNX8550 ip3106 driver deadlock fix

["Vladimir A. Barinov" <vbarinov@ru.mvista.com>]

Ralf Baechle wrote:

> On Tue, Dec 06, 2005 at 08:54:36PM +0300, Vladimir A. Barinov wrote:
>
>  
>
> > This is a patch that fixes spin_lock deadlock in serial ip3106 driver.
> > The spin_lock_irq(&port->lock,flags) is already called in generic driver 
> > serial_core.c before
> > port->ops->start_tx().
> > So the second call of spin_lock_irq(&port->lock, flags) leads to 
> > deadlock. This could be verified in PREEMPT_DESCTOP case when
> > these options are enabled:
> > CONFIG_DEBUG_PREEMPT=y
> > CONFIG_DEBUG_SPINLOCK=y
> >    
> Serial drivers are maintained by rmk+serial@arm.linux.org.uk, please send
> to him.
>  
Ok, thank you.

>  Ralf
>
>
>