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xtensa: drop unused fast_io_protect function 

fast_io_protect is not used anywhere, drop its definition.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2015-01-27 00:27:05 +03:00
parent 60e22cffb5
commit d9c7710db9
1 changed files with 0 additions and 24 deletions
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24
arch/xtensa/kernel/coprocessor.S
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@ -26,30 +26,6 @@
#include <asm/signal.h>
#include <asm/tlbflush.h>
/*
* Entry condition:
*
* a0: trashed, original value saved on stack (PT_AREG0)
* a1: a1
* a2: new stack pointer, original in DEPC
* a3: a3
* depc: a2, original value saved on stack (PT_DEPC)
* excsave_1: dispatch table
*
* PT_DEPC >= VALID_DOUBLE_EXCEPTION_ADDRESS: double exception, DEPC
* < VALID_DOUBLE_EXCEPTION_ADDRESS: regular exception
*/
/* IO protection is currently unsupported. */
ENTRY(fast_io_protect)
wsr a0, excsave1
movi a0, unrecoverable_exception
callx0 a0
ENDPROC(fast_io_protect)
#if XTENSA_HAVE_COPROCESSORS
/*