From: Russell King <rmk@arm.linux.org.uk>
To: Michael Hordijk <mwh13@pitt.edu>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH 2.6.16.18] 8250: Serial console enable Tx fix
Date: Fri, 2 Jun 2006 17:48:46 +0100 [thread overview]
Message-ID: <20060602164846.GF3100@flint.arm.linux.org.uk> (raw)
In-Reply-To: <4477B018.1020101@pitt.edu>
On Fri, May 26, 2006 at 09:49:12PM -0400, Michael Hordijk wrote:
> Enabling the Tx interrupt from console_write on buggy UART
> (UART_BUG_TXEN) breaks console transmit on said UART. Revert to previous
> UART_IER restore and use serial8250_start_tx() to cause the transmit path
> to start and not hang.
Please look at how this got solved in the 2.6.17-rc kernels and
implement the same fix. Enabling the transmitter at the end of
every console write is just plain buggy and asking for problems.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
prev parent reply other threads:[~2006-06-02 16:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-27 1:49 [PATCH 2.6.16.18] 8250: Serial console enable Tx fix Michael Hordijk
2006-06-02 16:48 ` Russell King [this message]
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