sh: hwblk: Kill off remaining bits of hwblk API.
Now that everything has been migrated, kill off the remaining
infrastructure bits.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
deleted file mode 100644
index 75d50d9..0000000
--- a/arch/sh/include/asm/hwblk.h
+++ /dev/null
@@ -1,74 +0,0 @@
-#ifndef __ASM_SH_HWBLK_H
-#define __ASM_SH_HWBLK_H
-
-#include <asm/clock.h>
-#include <asm/io.h>
-
-#define HWBLK_CNT_USAGE 0
-#define HWBLK_CNT_IDLE 1
-#define HWBLK_CNT_DEVICES 2
-#define HWBLK_CNT_NR 3
-
-#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
-
-#define HWBLK_AREA(_flags, _parent) \
-{ \
- .flags = _flags, \
- .parent = _parent, \
-}
-
-struct hwblk_area {
- int cnt[HWBLK_CNT_NR];
- unsigned char parent;
- unsigned char flags;
-};
-
-#define HWBLK(_mstp, _bit, _area) \
-{ \
- .mstp = (void __iomem *)_mstp, \
- .bit = _bit, \
- .area = _area, \
-}
-
-struct hwblk {
- void __iomem *mstp;
- unsigned char bit;
- unsigned char area;
- int cnt[HWBLK_CNT_NR];
-};
-
-struct hwblk_info {
- struct hwblk_area *areas;
- int nr_areas;
- struct hwblk *hwblks;
- int nr_hwblks;
-};
-
-#if !defined(CONFIG_CPU_SUBTYPE_SH7722) && \
- !defined(CONFIG_CPU_SUBTYPE_SH7723) && \
- !defined(CONFIG_CPU_SUBTYPE_SH7724)
-/* Should be defined by processor-specific code */
-int arch_hwblk_init(void);
-
-int hwblk_register(struct hwblk_info *info);
-int hwblk_init(void);
-
-void hwblk_enable(struct hwblk_info *info, int hwblk);
-void hwblk_disable(struct hwblk_info *info, int hwblk);
-
-void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
-void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
-
-/* allow clocks to enable and disable hardware blocks */
-#define SH_HWBLK_CLK(_hwblk, _parent, _flags) \
-[_hwblk] = { \
- .parent = _parent, \
- .arch_flags = _hwblk, \
- .flags = _flags, \
-}
-
-int sh_hwblk_clk_register(struct clk *clks, int nr);
-#else
-#define hwblk_init() 0
-#endif
-#endif /* __ASM_SH_HWBLK_H */
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 5366fdf..fa58bfd 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -19,6 +19,3 @@
obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o
obj-y += irq/ init.o clock.o fpu.o proc.o
-ifneq ($(CONFIG_CPU_SUBTYPE_SH7722)$(CONFIG_CPU_SUBTYPE_SH7723)$(CONFIG_CPU_SUBTYPE_SH7724),y)
-obj-y += hwblk.o
-endif
diff --git a/arch/sh/kernel/cpu/hwblk.c b/arch/sh/kernel/cpu/hwblk.c
deleted file mode 100644
index 00bab45..0000000
--- a/arch/sh/kernel/cpu/hwblk.c
+++ /dev/null
@@ -1,154 +0,0 @@
-#include <linux/clk.h>
-#include <linux/compiler.h>
-#include <linux/io.h>
-#include <linux/spinlock.h>
-#include <asm/suspend.h>
-#include <asm/hwblk.h>
-#include <asm/clock.h>
-
-static DEFINE_SPINLOCK(hwblk_lock);
-
-static void hwblk_area_mod_cnt(struct hwblk_info *info,
- int area, int counter, int value, int goal)
-{
- struct hwblk_area *hap = info->areas + area;
-
- hap->cnt[counter] += value;
-
- if (hap->cnt[counter] != goal)
- return;
-
- if (hap->flags & HWBLK_AREA_FLAG_PARENT)
- hwblk_area_mod_cnt(info, hap->parent, counter, value, goal);
-}
-
-
-static int __hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
- int counter, int value, int goal)
-{
- struct hwblk *hp = info->hwblks + hwblk;
-
- hp->cnt[counter] += value;
- if (hp->cnt[counter] == goal)
- hwblk_area_mod_cnt(info, hp->area, counter, value, goal);
-
- return hp->cnt[counter];
-}
-
-static void hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
- int counter, int value, int goal)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&hwblk_lock, flags);
- __hwblk_mod_cnt(info, hwblk, counter, value, goal);
- spin_unlock_irqrestore(&hwblk_lock, flags);
-}
-
-void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int counter)
-{
- hwblk_mod_cnt(info, hwblk, counter, 1, 1);
-}
-
-void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int counter)
-{
- hwblk_mod_cnt(info, hwblk, counter, -1, 0);
-}
-
-void hwblk_enable(struct hwblk_info *info, int hwblk)
-{
- struct hwblk *hp = info->hwblks + hwblk;
- unsigned long tmp;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&hwblk_lock, flags);
-
- ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, 1, 1);
- if (ret == 1) {
- tmp = __raw_readl(hp->mstp);
- tmp &= ~(1 << hp->bit);
- __raw_writel(tmp, hp->mstp);
- }
-
- spin_unlock_irqrestore(&hwblk_lock, flags);
-}
-
-void hwblk_disable(struct hwblk_info *info, int hwblk)
-{
- struct hwblk *hp = info->hwblks + hwblk;
- unsigned long tmp;
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&hwblk_lock, flags);
-
- ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, -1, 0);
- if (ret == 0) {
- tmp = __raw_readl(hp->mstp);
- tmp |= 1 << hp->bit;
- __raw_writel(tmp, hp->mstp);
- }
-
- spin_unlock_irqrestore(&hwblk_lock, flags);
-}
-
-struct hwblk_info *hwblk_info;
-
-int __init hwblk_register(struct hwblk_info *info)
-{
- hwblk_info = info;
- return 0;
-}
-
-int __init __weak arch_hwblk_init(void)
-{
- return 0;
-}
-
-int __init hwblk_init(void)
-{
- return arch_hwblk_init();
-}
-
-/* allow clocks to enable and disable hardware blocks */
-static int sh_hwblk_clk_enable(struct clk *clk)
-{
- if (!hwblk_info)
- return -ENOENT;
-
- hwblk_enable(hwblk_info, clk->arch_flags);
- return 0;
-}
-
-static void sh_hwblk_clk_disable(struct clk *clk)
-{
- if (hwblk_info)
- hwblk_disable(hwblk_info, clk->arch_flags);
-}
-
-static struct clk_ops sh_hwblk_clk_ops = {
- .enable = sh_hwblk_clk_enable,
- .disable = sh_hwblk_clk_disable,
- .recalc = followparent_recalc,
-};
-
-int __init sh_hwblk_clk_register(struct clk *clks, int nr)
-{
- struct clk *clkp;
- int ret = 0;
- int k;
-
- for (k = 0; !ret && (k < nr); k++) {
- clkp = clks + k;
-
- /* skip over clocks using hwblk 0 (HWBLK_UNKNOWN) */
- if (!clkp->arch_flags)
- continue;
-
- clkp->ops = &sh_hwblk_clk_ops;
- ret |= clk_register(clkp);
- }
-
- return ret;
-}
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 8a0072d..552c8fc 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -21,7 +21,6 @@
#include <linux/smp.h>
#include <linux/rtc.h>
#include <asm/clock.h>
-#include <asm/hwblk.h>
#include <asm/rtc.h>
/* Dummy RTC ops */
@@ -110,7 +109,6 @@
if (board_time_init)
board_time_init();
- hwblk_init();
clk_init();
late_time_init = sh_late_time_init;