From e2a545a6aee935e44db08797f7155be38f3c18f9 Mon Sep 17 00:00:00 2001
From: Andrew Jackson <Andrew.Jackson@arm.com>
Date: Fri, 7 Nov 2014 14:14:39 +0000
Subject: [PATCH] serial: pl011: Avoid assumptions about buffer size when
 refilling TX DMA

The existing code assumed that PL011_DMA_BUFFER_SIZE == UART_XMIT_SIZE,
which may not always be the case.  This allows for these two being
different sizes and not copying too much data.

Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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