From 7d48ec3698e7b747efa744fd340b0f2d1dbfd3e0 Mon Sep 17 00:00:00 2001
From: Bernhard Walle <walle@corscience.de>
Date: Thu, 3 Feb 2011 09:37:18 +0100
Subject: [PATCH] spi/spidev: Add 32 bit compat ioctl()

Add the compat_ioctl for operations on /dev/spi* so that 32 bit
userspace applications can access SPI. As far as I can see all data
structure are already prepared for that, so no additional conversion has
to be done.

My use case is MIPS with N32 userspace ABI and toolchain, and that was
also the platform where I tested it successfully (Cavium Octeon).

Signed-off-by: Bernhard Walle <walle@corscience.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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