ARM: OMAP2+: clock: remove support for legacy mpurate command line param
The legacy support is wrong and dangerous, as it doesn't take any
OPPs into account and does not scale voltages. Switching mpurate should
be handled through cpufreq.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index f33d011..bf5d71d 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -181,7 +181,7 @@
obj-$(CONFIG_SOC_DRA7XX) += clockdomains7xx_data.o
# Clock framework
-obj-$(CONFIG_ARCH_OMAP2) += $(clock-common) clock2xxx.o
+obj-$(CONFIG_ARCH_OMAP2) += $(clock-common)
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpllcore.o
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_virt_prcm_set.o
obj-$(CONFIG_ARCH_OMAP2) += clkt2xxx_dpll.o
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 234cedf..94a4949 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -582,47 +582,6 @@
};
/**
- * omap2_clk_switch_mpurate_at_boot - switch ARM MPU rate by boot-time argument
- * @mpurate_ck_name: clk name of the clock to change rate
- *
- * Change the ARM MPU clock rate to the rate specified on the command
- * line, if one was specified. @mpurate_ck_name should be
- * "virt_prcm_set" on OMAP2xxx and "dpll1_ck" on OMAP34xx/OMAP36xx.
- * XXX Does not handle voltage scaling - on OMAP2xxx this is currently
- * handled by the virt_prcm_set clock, but this should be handled by
- * the OPP layer. XXX This is intended to be handled by the OPP layer
- * code in the near future and should be removed from the clock code.
- * Returns -EINVAL if 'mpurate' is zero or if clk_set_rate() rejects
- * the rate, -ENOENT if the struct clk referred to by @mpurate_ck_name
- * cannot be found, or 0 upon success.
- */
-int __init omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name)
-{
- struct clk *mpurate_ck;
- int r;
-
- if (!mpurate)
- return -EINVAL;
-
- mpurate_ck = clk_get(NULL, mpurate_ck_name);
- if (WARN(IS_ERR(mpurate_ck), "Failed to get %s.\n", mpurate_ck_name))
- return -ENOENT;
-
- r = clk_set_rate(mpurate_ck, mpurate);
- if (r < 0) {
- WARN(1, "clock: %s: unable to set MPU rate to %d: %d\n",
- mpurate_ck_name, mpurate, r);
- clk_put(mpurate_ck);
- return -EINVAL;
- }
-
- calibrate_delay();
- clk_put(mpurate_ck);
-
- return 0;
-}
-
-/**
* omap2_clk_print_new_rates - print summary of current clock tree rates
* @hfclkin_ck_name: clk name for the off-chip HF oscillator
* @core_ck_name: clk name for the on-chip CORE_CLK
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 950a17a..e2781b4 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -186,7 +186,6 @@
void __init omap2_clk_disable_clkdm_control(void);
-int omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name);
void omap2_clk_print_new_rates(const char *hfclkin_ck_name,
const char *core_ck_name,
const char *mpu_ck_name);
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c
deleted file mode 100644
index b870f6a..0000000
--- a/arch/arm/mach-omap2/clock2xxx.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * clock2xxx.c - OMAP2xxx-specific clock integration code
- *
- * Copyright (C) 2005-2008 Texas Instruments, Inc.
- * Copyright (C) 2004-2010 Nokia Corporation
- *
- * Contacts:
- * Richard Woodruff <r-woodruff2@ti.com>
- * Paul Walmsley
- *
- * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
- * Gordon McNutt and RidgeRun, Inc.
- *
- * 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.
- */
-#undef DEBUG
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include "soc.h"
-#include "clock.h"
-#include "clock2xxx.h"
-#include "cm.h"
-#include "cm-regbits-24xx.h"
-
-struct clk_hw *dclk_hw;
-/*
- * Omap24xx specific clock functions
- */
-
-/*
- * Switch the MPU rate if specified on cmdline. We cannot do this
- * early until cmdline is parsed. XXX This should be removed from the
- * clock code and handled by the OPP layer code in the near future.
- */
-static int __init omap2xxx_clk_arch_init(void)
-{
- int ret;
-
- if (!cpu_is_omap24xx())
- return 0;
-
- ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set");
- if (!ret)
- omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck");
-
- return ret;
-}
-
-omap_arch_initcall(omap2xxx_clk_arch_init);
-
-
diff --git a/arch/arm/mach-omap2/clock3xxx.c b/arch/arm/mach-omap2/clock3xxx.c
index 8bede6a..4bd6122 100644
--- a/arch/arm/mach-omap2/clock3xxx.c
+++ b/arch/arm/mach-omap2/clock3xxx.c
@@ -108,28 +108,3 @@
clk_disable_unprepare(dpll5_clk);
return;
}
-
-/* Common clock code */
-
-/*
- * Switch the MPU rate if specified on cmdline. We cannot do this
- * early until cmdline is parsed. XXX This should be removed from the
- * clock code and handled by the OPP layer code in the near future.
- */
-static int __init omap3xxx_clk_arch_init(void)
-{
- int ret;
-
- if (!cpu_is_omap34xx())
- return 0;
-
- ret = omap2_clk_switch_mpurate_at_boot("dpll1_ck");
- if (!ret)
- omap2_clk_print_new_rates("osc_sys_ck", "core_ck", "arm_fck");
-
- return ret;
-}
-
-omap_arch_initcall(omap3xxx_clk_arch_init);
-
-