From e8823f1ca8d5a0c5d69a8862682ee8bde26990ca Mon Sep 17 00:00:00 2001
From: Jun Chen <jun.d.chen@intel.com>
Date: Wed, 7 Nov 2012 12:04:04 -0500
Subject: [PATCH] serial: ifx6x60: ifx_spi_write don't need to do mrdy_assert
 when fifo is not empty

This patch check whether the fifo lenth is empty before writing new data to fifo.If condition
is true,ifx_spi_write need to trigger one mrdy_assert. If condition is false,the mrdy_assert
will be trigger by the next ifx_spi_io.

Cc: Bi Chao <chao.bi@intel.com>
Signed-off-by: Chen Jun <jun.d.chen@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Reading git-format-patch failed