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ARC: RIP arc_{get|set}_core_freq() clk API 

There are no more users of this - so RIP!

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
[vgupta: update changelog]
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
hifive-unleashed-5.1
Alexey Brodkin 2016-02-01 17:30:17 +03:00 committed by Vineet Gupta
parent 20c7dbbdbe
commit 6e9318d1be
4 changed files with 1 additions and 51 deletions
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22
arch/arc/include/asm/clk.h
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@ -1,22 +0,0 @@
/*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_ARC_CLK_H
#define _ASM_ARC_CLK_H
/* Although we can't really hide core_freq, the accessor is still better way */
extern unsigned long core_freq;
static inline unsigned long arc_get_core_freq(void)
{
return core_freq;
}
extern int arc_set_core_freq(unsigned long);
#endif

2
arch/arc/kernel/Makefile
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@ -9,7 +9,7 @@
CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
obj-y := arcksyms.o setup.o irq.o time.o reset.o ptrace.o process.o devtree.o
obj-y += signal.o traps.o sys.o troubleshoot.o stacktrace.o disasm.o clk.o
obj-y += signal.o traps.o sys.o troubleshoot.o stacktrace.o disasm.o
obj-$(CONFIG_ISA_ARCOMPACT) += entry-compact.o intc-compact.o
obj-$(CONFIG_ISA_ARCV2) += entry-arcv2.o intc-arcv2.o
obj-$(CONFIG_PCI) += pcibios.o

21
arch/arc/kernel/clk.c
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@ -1,21 +0,0 @@
/*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm/clk.h>
unsigned long core_freq = 80000000;
/*
* As of now we default to device-tree provided clock
* In future we can determine this in early boot
*/
int arc_set_core_freq(unsigned long freq)
{
core_freq = freq;
return 0;
}

7
arch/arc/kernel/devtree.c
View File

@ -14,7 +14,6 @@
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <asm/clk.h>
#include <asm/mach_desc.h>
#ifdef CONFIG_SERIAL_EARLYCON
@ -63,8 +62,6 @@ const struct machine_desc * __init setup_machine_fdt(void *dt)
{
const struct machine_desc *mdesc;
unsigned long dt_root;
const void *clk;
int len;
if (!early_init_dt_scan(dt))
return NULL;
@ -74,10 +71,6 @@ const struct machine_desc * __init setup_machine_fdt(void *dt)
machine_halt();
dt_root = of_get_flat_dt_root();
clk = of_get_flat_dt_prop(dt_root, "clock-frequency", &len);
if (clk)
arc_set_core_freq(of_read_ulong(clk, len/4));
arc_set_early_base_baud(dt_root);
return mdesc;