MIPS: OCTEON: Get rid of CONFIG_CAVIUM_OCTEON_HW_FIX_UNALIGNED

When you turn it off, the kernel is unusable, so get rid of the option
and always allow unaligned access.

The Octeon specific memcpy intentionally does unaligned accesses and it
must not fault.

Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5303/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 11 deletions

diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index a12444a5f1b5..227705d9d5ae 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -23,17 +23,6 @@ config CAVIUM_OCTEON_2ND_KERNEL
           with this option to be run at the same time as one built without this
           option.
 
-config CAVIUM_OCTEON_HW_FIX_UNALIGNED
-        bool "Enable hardware fixups of unaligned loads and stores"
-        default "y"
-        help
-          Configure the Octeon hardware to automatically fix unaligned loads
-          and stores. Normally unaligned accesses are fixed using a kernel
-          exception handler. This option enables the hardware automatic fixups,
-          which requires only an extra 3 cycles. Disable this option if you
-          are running code that relies on address exceptions on unaligned
-          accesses.
-
 config CAVIUM_OCTEON_CVMSEG_SIZE
         int "Number of L1 cache lines reserved for CVMSEG memory"
         range 0 54