linux-kernel - Re: Regression in 32-bit ppc kernel

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Message-ID: <1335653288.20866.15.camel@pasglop>
Date:	Sun, 29 Apr 2012 08:48:08 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Andreas Schwab <schwab@...ux-m68k.org>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Regression in 32-bit ppc kernel

On Sat, 2012-04-28 at 20:23 +0200, Andreas Schwab wrote:
> Larry Finger <Larry.Finger@...inger.net> writes:
> 
> > I have done a little more debugging. The problem is definitely coming from
> > drivers/tty/serial/pmac_zilog.c. I am getting ChanB interrupts while open,
> > which causes the following code segment to return IRQ_NONE:
> >
> >        if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) {
> >                if (!ZS_IS_OPEN(uap_a)) {
> 
> s/uap_a/uap_b/?

Good catch... Let's see if that fixes it for Larry...

Cheers,
Ben.

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