From 2f8b9c15cd88ce22bd80e6eb3988dbaa49f1efd3 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Fri, 1 Oct 2010 17:21:33 +0400
Subject: [PATCH] altera_uart: Add support for polling mode (IRQ-less)

Some Altera UART implementations doesn't route the IRQ line, so we have
to work in polling mode.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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