Blackfin arch: remove hardware PM code, oprofile not use it

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 0 insertions, 161 deletions

diff --git a/arch/blackfin/oprofile/op_model_bf533.c b/arch/blackfin/oprofile/op_model_bf533.c
deleted file mode 100644
index 0e34df169b2..00000000000
--- a/arch/blackfin/oprofile/op_model_bf533.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * File:         arch/blackfin/oprofile/op_model_bf533.c
- * Based on:
- * Author:       Anton Blanchard <anton@au.ibm.com>
- *
- * Created:
- * Description:
- *
- * Modified:
- *               Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
- *               Copyright 2004-2006 Analog Devices Inc.
- *
- * Bugs:         Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/oprofile.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-#include <asm/system.h>
-#include <asm/processor.h>
-#include <asm/blackfin.h>
-
-#include "op_blackfin.h"
-
-#define PM_ENABLE 0x01;
-#define PM_CTL1_ENABLE  0x18
-#define PM_CTL0_ENABLE  0xC000
-#define COUNT_EDGE_ONLY 0x3000000
-
-static int oprofile_running;
-
-static unsigned curr_pfctl, curr_count[2];
-
-static int bfin533_reg_setup(struct op_counter_config *ctr)
-{
-	unsigned int pfctl = 0;
-	unsigned int count[2];
-
-	/* set Blackfin perf monitor regs with ctr */
-	if (ctr[0].enabled) {
-		pfctl |= (PM_CTL0_ENABLE | ((char)ctr[0].event << 5));
-		count[0] = 0xFFFFFFFF - ctr[0].count;
-		curr_count[0] = count[0];
-	}
-	if (ctr[1].enabled) {
-		pfctl |= (PM_CTL1_ENABLE | ((char)ctr[1].event << 16));
-		count[1] = 0xFFFFFFFF - ctr[1].count;
-		curr_count[1] = count[1];
-	}
-
-	pr_debug("ctr[0].enabled=%d,ctr[1].enabled=%d,ctr[0].event<<5=0x%x,ctr[1].event<<16=0x%x\n", ctr[0].enabled, ctr[1].enabled, ctr[0].event << 5, ctr[1].event << 16);
-	pfctl |= COUNT_EDGE_ONLY;
-	curr_pfctl = pfctl;
-
-	pr_debug("write 0x%x to pfctl\n", pfctl);
-	ctr_write(pfctl);
-	count_write(count);
-
-	return 0;
-}
-
-static int bfin533_start(struct op_counter_config *ctr)
-{
-	unsigned int pfctl = ctr_read();
-
-	pfctl |= PM_ENABLE;
-	curr_pfctl = pfctl;
-
-	ctr_write(pfctl);
-
-	oprofile_running = 1;
-	pr_debug("start oprofile counter \n");
-
-	return 0;
-}
-
-static void bfin533_stop(void)
-{
-	int pfctl;
-
-	pfctl = ctr_read();
-	pfctl &= ~PM_ENABLE;
-	/* freeze counters */
-	ctr_write(pfctl);
-
-	oprofile_running = 0;
-	pr_debug("stop oprofile counter \n");
-}
-
-static int get_kernel(void)
-{
-	int ipend, is_kernel;
-
-	ipend = bfin_read_IPEND();
-
-	/* test bit 15 */
-	is_kernel = ((ipend & 0x8000) != 0);
-
-	return is_kernel;
-}
-
-int pm_overflow_handler(struct pt_regs *regs)
-{
-	int is_kernel;
-	int i, cpu;
-	unsigned int pc, pfctl;
-	unsigned int count[2];
-
-	pr_debug("get interrupt in %s\n", __func__);
-	if (oprofile_running == 0) {
-		pr_debug("error: entering interrupt when oprofile is stopped.\n\r");
-		return -1;
-	}
-
-	is_kernel = get_kernel();
-	cpu = smp_processor_id();
-	pc = regs->pc;
-	pfctl = ctr_read();
-
-	/* read the two event counter regs */
-	count_read(count);
-
-	/* if the counter overflows, add sample to oprofile buffer */
-	for (i = 0; i < 2; ++i) {
-		if (oprofile_running) {
-			oprofile_add_sample(regs, i);
-		}
-	}
-
-	/* reset the perfmon counter */
-	ctr_write(curr_pfctl);
-	count_write(curr_count);
-	return 0;
-}
-
-struct op_bfin533_model op_model_bfin533 = {
-	.reg_setup = bfin533_reg_setup,
-	.start = bfin533_start,
-	.stop = bfin533_stop,
-	.num_counters = 2,
-	.name = "blackfin/bf533"
-};