linux-kernel - Re: serial flow control appears broken

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Message-ID: <Pine.LNX.4.64N.0707301037090.12082@blysk.ds.pg.gda.pl>
Date:	Mon, 30 Jul 2007 10:39:20 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Paul Fulghum <paulkf@...rogate.com>
cc:	Robert Hancock <hancockr@...w.ca>,
	Lee Howard <faxguy@...ardsilvan.com>,
	linux-serial@...r.kernel.org, tytso@....edu, rmk@....linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: serial flow control appears broken

On Fri, 27 Jul 2007, Paul Fulghum wrote:

> I can't see anyplace in serial_core.c or 8250.c that sets TTY_OVERRUN.

 Look for UART_LSR_OE in 8250.c -- the serial core accepts any bit that 
has been defined by the low-level driver and sets TTY_OVERRUN in 
uart_insert_char().

  Maciej
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