[PATCH 2/2 v3] imx: add polled io uart methods

Shawn Guo shawn.guo at freescale.com
Sun Dec 25 20:59:25 EST 2011

On Thu, Dec 22, 2011 at 09:57:53AM +0100, Dirk Behme wrote:
> From: Saleem Abdulrasool <compnerd at compnerd.org>
> These methods are invoked if the iMX uart is used in conjuction with kgdb during
> early boot.  In order to access the UART without the interrupts, the kernel uses
> the basic polling methods for IO with the device.  With these methods
> implemented, it is now possible to enable kgdb during early boot over serial.
> Signed-off-by: Saleem Abdulrasool <compnerd at compnerd.org>
> Signed-off-by: Dirk Behme <dirk.behme at gmail.com>
> CC: Sascha Hauer <s.hauer at pengutronix.de>
> CC: Fabio Estevam <festevam at gmail.com>
> CC: Uwe Kleine-Koenig <u.kleine-koenig at pengutronix.de>
> CC: linux-serial at vger.kernel.org
> CC: Alan Cox <alan at linux.intel.com>

I queued this for 3.3, and will send a pull-request to Greg.


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