From 13048f8866390a26a7b657e0ca28100e2660063a Mon Sep 17 00:00:00 2001
From: Bernd Schmidt <bernds_cb1@t-online.de>
Date: Wed, 23 Sep 2009 16:47:16 +0000
Subject: [PATCH] Blackfin: improve async bank access checking (for cross-banks
 & XIP)

The access_ok() function did not accept ranges within the async banks
which made it impossible to do XIP in flash.  Fixing that also showed
that the current bfin_mem_access_type() code did not work with accesses
that spanned async banks (like a file system).  So split out and fix the
async bank checks so that all these scenarios work as expected.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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