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

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Date:	Sat, 28 Apr 2012 20:23:15 +0200
From:	Andreas Schwab <schwab@...ux-m68k.org>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev@...ts.ozlabs.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: Regression in 32-bit ppc kernel

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/?

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
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