From 2170480487e3dee8a74204ce346b1b1096a13fd0 Mon Sep 17 00:00:00 2001
From: Joe Schultz <jschultz@xes-inc.com>
Date: Mon, 7 Apr 2014 11:58:18 -0500
Subject: [PATCH] mtd: fsl_ifc_nand: Workaround bogus WP on 16-bit NAND

A workaround was already in place that set the WP bit in the
IFC_CSPR0 register after a STATUS command, however it used an 8-bit
write method. As a result, the WP bit was never set on 16-bit devices,
and these devices would eventually be incorrectly marked as
write-protected.

This patch checks the chip options for a 16-bit device and uses the
appropriate write method to set the WP bit after a STATUS command.

Signed-off-by: Joe Schultz <jschultz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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