1 files changed, 0 insertions, 147 deletions
diff --git a/arch/arm/common/fiq_glue_setup.c b/arch/arm/common/fiq_glue_setup.c
deleted file mode 100644
index 8cb1b611c6d5..000000000000
--- a/arch/arm/common/fiq_glue_setup.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * Copyright (C) 2010 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/percpu.h>
-#include <linux/slab.h>
-#include <asm/fiq.h>
-#include <asm/fiq_glue.h>
-
-extern unsigned char fiq_glue, fiq_glue_end;
-extern void fiq_glue_setup(void *func, void *data, void *sp,
-			   fiq_return_handler_t fiq_return_handler);
-
-static struct fiq_handler fiq_debbuger_fiq_handler = {
-	.name = "fiq_glue",
-};
-DEFINE_PER_CPU(void *, fiq_stack);
-static struct fiq_glue_handler *current_handler;
-static fiq_return_handler_t fiq_return_handler;
-static DEFINE_MUTEX(fiq_glue_lock);
-
-static void fiq_glue_setup_helper(void *info)
-{
-	struct fiq_glue_handler *handler = info;
-	fiq_glue_setup(handler->fiq, handler,
-		__get_cpu_var(fiq_stack) + THREAD_START_SP,
-		fiq_return_handler);
-}
-
-int fiq_glue_register_handler(struct fiq_glue_handler *handler)
-{
-	int ret;
-	int cpu;
-
-	if (!handler || !handler->fiq)
-		return -EINVAL;
-
-	mutex_lock(&fiq_glue_lock);
-	if (fiq_stack) {
-		ret = -EBUSY;
-		goto err_busy;
-	}
-
-	for_each_possible_cpu(cpu) {
-		void *stack;
-		stack = (void *)__get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
-		if (WARN_ON(!stack)) {
-			ret = -ENOMEM;
-			goto err_alloc_fiq_stack;
-		}
-		per_cpu(fiq_stack, cpu) = stack;
-	}
-
-	ret = claim_fiq(&fiq_debbuger_fiq_handler);
-	if (WARN_ON(ret))
-		goto err_claim_fiq;
-
-	current_handler = handler;
-	on_each_cpu(fiq_glue_setup_helper, handler, true);
-	set_fiq_handler(&fiq_glue, &fiq_glue_end - &fiq_glue);
-
-	mutex_unlock(&fiq_glue_lock);
-	return 0;
-
-err_claim_fiq:
-err_alloc_fiq_stack:
-	for_each_possible_cpu(cpu) {
-		__free_pages(per_cpu(fiq_stack, cpu), THREAD_SIZE_ORDER);
-		per_cpu(fiq_stack, cpu) = NULL;
-	}
-err_busy:
-	mutex_unlock(&fiq_glue_lock);
-	return ret;
-}
-
-static void fiq_glue_update_return_handler(void (*fiq_return)(void))
-{
-	fiq_return_handler = fiq_return;
-	if (current_handler)
-		on_each_cpu(fiq_glue_setup_helper, current_handler, true);
-}
-
-int fiq_glue_set_return_handler(void (*fiq_return)(void))
-{
-	int ret;
-
-	mutex_lock(&fiq_glue_lock);
-	if (fiq_return_handler) {
-		ret = -EBUSY;
-		goto err_busy;
-	}
-	fiq_glue_update_return_handler(fiq_return);
-	ret = 0;
-err_busy:
-	mutex_unlock(&fiq_glue_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(fiq_glue_set_return_handler);
-
-int fiq_glue_clear_return_handler(void (*fiq_return)(void))
-{
-	int ret;
-
-	mutex_lock(&fiq_glue_lock);
-	if (WARN_ON(fiq_return_handler != fiq_return)) {
-		ret = -EINVAL;
-		goto err_inval;
-	}
-	fiq_glue_update_return_handler(NULL);
-	ret = 0;
-err_inval:
-	mutex_unlock(&fiq_glue_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(fiq_glue_clear_return_handler);
-
-/**
- * fiq_glue_resume - Restore fiqs after suspend or low power idle states
- *
- * This must be called before calling local_fiq_enable after returning from a
- * power state where the fiq mode registers were lost. If a driver provided
- * a resume hook when it registered the handler it will be called.
- */
-
-void fiq_glue_resume(void)
-{
-	if (!current_handler)
-		return;
-	fiq_glue_setup(current_handler->fiq, current_handler,
-		__get_cpu_var(fiq_stack) + THREAD_START_SP,
-		fiq_return_handler);
-	if (current_handler->resume)
-		current_handler->resume(current_handler);
-}
-