From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-serial@vger.kernel.org, linux-tegra@vger.kernel.org,
olof@lixom.net, Stephen Warren <swarren@nvidia.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] serial: 8250: enable UART_BUG_NOMSR for Tegra
Date: Wed, 15 Jan 2014 13:12:05 +0200 [thread overview]
Message-ID: <20140115111205.GA11732@xps8300> (raw)
In-Reply-To: <1389132012-2257-1-git-send-email-swarren@wwwdotorg.org>
Hi,
On Tue, Jan 07, 2014 at 03:00:12PM -0700, Stephen Warren wrote:
> diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
> index e33d38cb170f..61ecd709a722 100644
> --- a/drivers/tty/serial/8250/8250_core.c
> +++ b/drivers/tty/serial/8250/8250_core.c
> @@ -2670,6 +2670,10 @@ static void serial8250_config_port(struct uart_port *port, int flags)
> if (port->type == PORT_16550A && port->iotype == UPIO_AU)
> up->bugs |= UART_BUG_NOMSR;
>
> + /* HW bugs may trigger IRQ while IIR == NO_INT */
> + if (port->type == PORT_TEGRA)
> + up->bugs |= UART_BUG_NOMSR;
> +
Is there any reason this needs to be in 8250_core.c? Why not set it in
drivers/tty/serial/of_serial.c?
--
heikki
next prev parent reply other threads:[~2014-01-15 11:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-07 22:00 [PATCH] serial: 8250: enable UART_BUG_NOMSR for Tegra Stephen Warren
2014-01-15 11:12 ` Heikki Krogerus [this message]
2014-01-15 17:30 ` Stephen Warren
2014-01-16 8:52 ` Heikki Krogerus
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