Merge branch 'sh/hwblk' into sh-latest

6 files changed, 1 insertions, 299 deletions

diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 5366fdf8c566..fa58bfd30d82 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -19,6 +19,3 @@ obj-$(CONFIG_SH_ADC)		+= adc.o
 obj-$(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 3e985aae5d91..000000000000
--- a/arch/sh/kernel/cpu/hwblk.c
+++ /dev/null
@@ -1,159 +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 __weak arch_hwblk_sleep_mode(void)
-{
-	return SUSP_SH_SLEEP;
-}
-
-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/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 27af277cc63c..8420d4bc8bfc 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -173,9 +173,6 @@ struct platform_device dma_device = {
 	.dev		= {
 		.platform_data	= &dma_platform_data,
 	},
-	.archdata = {
-		.hwblk_id = HWBLK_DMAC,
-	},
 };
 
 /* Serial */
@@ -264,9 +261,6 @@ static struct platform_device rtc_device = {
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(rtc_resources),
 	.resource	= rtc_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_RTC,
-	},
 };
 
 static struct m66592_platdata usbf_platdata = {
@@ -297,9 +291,6 @@ static struct platform_device usbf_device = {
 	},
 	.num_resources	= ARRAY_SIZE(usbf_resources),
 	.resource	= usbf_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_USBF,
-	},
 };
 
 static struct resource iic_resources[] = {
@@ -321,9 +312,6 @@ static struct platform_device iic_device = {
 	.id             = 0, /* "i2c0" clock */
 	.num_resources  = ARRAY_SIZE(iic_resources),
 	.resource       = iic_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_IIC,
-	},
 };
 
 static struct uio_info vpu_platform_data = {
@@ -352,9 +340,6 @@ static struct platform_device vpu_device = {
 	},
 	.resource	= vpu_resources,
 	.num_resources	= ARRAY_SIZE(vpu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VPU,
-	},
 };
 
 static struct uio_info veu_platform_data = {
@@ -383,9 +368,6 @@ static struct platform_device veu_device = {
 	},
 	.resource	= veu_resources,
 	.num_resources	= ARRAY_SIZE(veu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VEU,
-	},
 };
 
 static struct uio_info jpu_platform_data = {
@@ -414,9 +396,6 @@ static struct platform_device jpu_device = {
 	},
 	.resource	= jpu_resources,
 	.num_resources	= ARRAY_SIZE(jpu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_JPU,
-	},
 };
 
 static struct sh_timer_config cmt_platform_data = {
@@ -446,9 +425,6 @@ static struct platform_device cmt_device = {
 	},
 	.resource	= cmt_resources,
 	.num_resources	= ARRAY_SIZE(cmt_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_CMT,
-	},
 };
 
 static struct sh_timer_config tmu0_platform_data = {
@@ -477,9 +453,6 @@ static struct platform_device tmu0_device = {
 	},
 	.resource	= tmu0_resources,
 	.num_resources	= ARRAY_SIZE(tmu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU,
-	},
 };
 
 static struct sh_timer_config tmu1_platform_data = {
@@ -508,9 +481,6 @@ static struct platform_device tmu1_device = {
 	},
 	.resource	= tmu1_resources,
 	.num_resources	= ARRAY_SIZE(tmu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU,
-	},
 };
 
 static struct sh_timer_config tmu2_platform_data = {
@@ -538,9 +508,6 @@ static struct platform_device tmu2_device = {
 	},
 	.resource	= tmu2_resources,
 	.num_resources	= ARRAY_SIZE(tmu2_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU,
-	},
 };
 
 static struct siu_platform siu_platform_data = {
@@ -571,9 +538,6 @@ static struct platform_device siu_device = {
 	},
 	.resource	= siu_resources,
 	.num_resources	= ARRAY_SIZE(siu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_SIU,
-	},
 };
 
 static struct platform_device *sh7722_devices[] __initdata = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 3c2810d8f72e..a188c9ea4393 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -158,9 +158,6 @@ static struct platform_device vpu_device = {
 	},
 	.resource	= vpu_resources,
 	.num_resources	= ARRAY_SIZE(vpu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VPU,
-	},
 };
 
 static struct uio_info veu0_platform_data = {
@@ -189,9 +186,6 @@ static struct platform_device veu0_device = {
 	},
 	.resource	= veu0_resources,
 	.num_resources	= ARRAY_SIZE(veu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VEU2H0,
-	},
 };
 
 static struct uio_info veu1_platform_data = {
@@ -220,9 +214,6 @@ static struct platform_device veu1_device = {
 	},
 	.resource	= veu1_resources,
 	.num_resources	= ARRAY_SIZE(veu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VEU2H1,
-	},
 };
 
 static struct sh_timer_config cmt_platform_data = {
@@ -252,9 +243,6 @@ static struct platform_device cmt_device = {
 	},
 	.resource	= cmt_resources,
 	.num_resources	= ARRAY_SIZE(cmt_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_CMT,
-	},
 };
 
 static struct sh_timer_config tmu0_platform_data = {
@@ -283,9 +271,6 @@ static struct platform_device tmu0_device = {
 	},
 	.resource	= tmu0_resources,
 	.num_resources	= ARRAY_SIZE(tmu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 static struct sh_timer_config tmu1_platform_data = {
@@ -314,9 +299,6 @@ static struct platform_device tmu1_device = {
 	},
 	.resource	= tmu1_resources,
 	.num_resources	= ARRAY_SIZE(tmu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 static struct sh_timer_config tmu2_platform_data = {
@@ -344,9 +326,6 @@ static struct platform_device tmu2_device = {
 	},
 	.resource	= tmu2_resources,
 	.num_resources	= ARRAY_SIZE(tmu2_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 static struct sh_timer_config tmu3_platform_data = {
@@ -374,9 +353,6 @@ static struct platform_device tmu3_device = {
 	},
 	.resource	= tmu3_resources,
 	.num_resources	= ARRAY_SIZE(tmu3_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 static struct sh_timer_config tmu4_platform_data = {
@@ -404,9 +380,6 @@ static struct platform_device tmu4_device = {
 	},
 	.resource	= tmu4_resources,
 	.num_resources	= ARRAY_SIZE(tmu4_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 static struct sh_timer_config tmu5_platform_data = {
@@ -434,9 +407,6 @@ static struct platform_device tmu5_device = {
 	},
 	.resource	= tmu5_resources,
 	.num_resources	= ARRAY_SIZE(tmu5_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 static struct resource rtc_resources[] = {
@@ -467,9 +437,6 @@ static struct platform_device rtc_device = {
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(rtc_resources),
 	.resource	= rtc_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_RTC,
-	},
 };
 
 static struct r8a66597_platdata r8a66597_data = {
@@ -499,9 +466,6 @@ static struct platform_device sh7723_usb_host_device = {
 	},
 	.num_resources	= ARRAY_SIZE(sh7723_usb_host_resources),
 	.resource	= sh7723_usb_host_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_USB,
-	},
 };
 
 static struct resource iic_resources[] = {
@@ -523,9 +487,6 @@ static struct platform_device iic_device = {
 	.id             = 0, /* "i2c0" clock */
 	.num_resources  = ARRAY_SIZE(iic_resources),
 	.resource       = iic_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_IIC,
-	},
 };
 
 static struct platform_device *sh7723_devices[] __initdata = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 8d8a5512d57d..4c671cfe68aa 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -275,9 +275,6 @@ static struct platform_device dma0_device = {
 	.dev		= {
 		.platform_data	= &dma_platform_data,
 	},
-	.archdata = {
-		.hwblk_id = HWBLK_DMAC0,
-	},
 };
 
 static struct platform_device dma1_device = {
@@ -288,9 +285,6 @@ static struct platform_device dma1_device = {
 	.dev		= {
 		.platform_data	= &dma_platform_data,
 	},
-	.archdata = {
-		.hwblk_id = HWBLK_DMAC1,
-	},
 };
 
 /* Serial */
@@ -434,9 +428,6 @@ static struct platform_device rtc_device = {
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(rtc_resources),
 	.resource	= rtc_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_RTC,
-	},
 };
 
 /* I2C0 */
@@ -459,9 +450,6 @@ static struct platform_device iic0_device = {
 	.id             = 0, /* "i2c0" clock */
 	.num_resources  = ARRAY_SIZE(iic0_resources),
 	.resource       = iic0_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_IIC0,
-	},
 };
 
 /* I2C1 */
@@ -484,9 +472,6 @@ static struct platform_device iic1_device = {
 	.id             = 1, /* "i2c1" clock */
 	.num_resources  = ARRAY_SIZE(iic1_resources),
 	.resource       = iic1_resources,
-	.archdata = {
-		.hwblk_id = HWBLK_IIC1,
-	},
 };
 
 /* VPU */
@@ -516,9 +501,6 @@ static struct platform_device vpu_device = {
 	},
 	.resource	= vpu_resources,
 	.num_resources	= ARRAY_SIZE(vpu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VPU,
-	},
 };
 
 /* VEU0 */
@@ -548,9 +530,6 @@ static struct platform_device veu0_device = {
 	},
 	.resource	= veu0_resources,
 	.num_resources	= ARRAY_SIZE(veu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VEU0,
-	},
 };
 
 /* VEU1 */
@@ -580,9 +559,6 @@ static struct platform_device veu1_device = {
 	},
 	.resource	= veu1_resources,
 	.num_resources	= ARRAY_SIZE(veu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_VEU1,
-	},
 };
 
 /* BEU0 */
@@ -612,9 +588,6 @@ static struct platform_device beu0_device = {
 	},
 	.resource	= beu0_resources,
 	.num_resources	= ARRAY_SIZE(beu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_BEU0,
-	},
 };
 
 /* BEU1 */
@@ -644,9 +617,6 @@ static struct platform_device beu1_device = {
 	},
 	.resource	= beu1_resources,
 	.num_resources	= ARRAY_SIZE(beu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_BEU1,
-	},
 };
 
 static struct sh_timer_config cmt_platform_data = {
@@ -676,9 +646,6 @@ static struct platform_device cmt_device = {
 	},
 	.resource	= cmt_resources,
 	.num_resources	= ARRAY_SIZE(cmt_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_CMT,
-	},
 };
 
 static struct sh_timer_config tmu0_platform_data = {
@@ -707,9 +674,6 @@ static struct platform_device tmu0_device = {
 	},
 	.resource	= tmu0_resources,
 	.num_resources	= ARRAY_SIZE(tmu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 static struct sh_timer_config tmu1_platform_data = {
@@ -738,9 +702,6 @@ static struct platform_device tmu1_device = {
 	},
 	.resource	= tmu1_resources,
 	.num_resources	= ARRAY_SIZE(tmu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 static struct sh_timer_config tmu2_platform_data = {
@@ -768,9 +729,6 @@ static struct platform_device tmu2_device = {
 	},
 	.resource	= tmu2_resources,
 	.num_resources	= ARRAY_SIZE(tmu2_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU0,
-	},
 };
 
 
@@ -799,9 +757,6 @@ static struct platform_device tmu3_device = {
 	},
 	.resource	= tmu3_resources,
 	.num_resources	= ARRAY_SIZE(tmu3_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 static struct sh_timer_config tmu4_platform_data = {
@@ -829,9 +784,6 @@ static struct platform_device tmu4_device = {
 	},
 	.resource	= tmu4_resources,
 	.num_resources	= ARRAY_SIZE(tmu4_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 static struct sh_timer_config tmu5_platform_data = {
@@ -859,9 +811,6 @@ static struct platform_device tmu5_device = {
 	},
 	.resource	= tmu5_resources,
 	.num_resources	= ARRAY_SIZE(tmu5_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_TMU1,
-	},
 };
 
 /* JPU */
@@ -891,9 +840,6 @@ static struct platform_device jpu_device = {
 	},
 	.resource	= jpu_resources,
 	.num_resources	= ARRAY_SIZE(jpu_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_JPU,
-	},
 };
 
 /* SPU2DSP0 */
@@ -923,9 +869,6 @@ static struct platform_device spu0_device = {
 	},
 	.resource	= spu0_resources,
 	.num_resources	= ARRAY_SIZE(spu0_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_SPU,
-	},
 };
 
 /* SPU2DSP1 */
@@ -955,9 +898,6 @@ static struct platform_device spu1_device = {
 	},
 	.resource	= spu1_resources,
 	.num_resources	= ARRAY_SIZE(spu1_resources),
-	.archdata = {
-		.hwblk_id = HWBLK_SPU,
-	},
 };
 
 static struct platform_device *sh7724_devices[] __initdata = {
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
index 1cc257c9b1e3..6d62eb40e750 100644
--- a/arch/sh/kernel/cpu/shmobile/cpuidle.c
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -17,7 +17,6 @@
 #include <linux/export.h>
 #include <asm/suspend.h>
 #include <asm/uaccess.h>
-#include <asm/hwblk.h>
 
 static unsigned long cpuidle_mode[] = {
 	SUSP_SH_SLEEP, /* regular sleep mode */
@@ -29,7 +28,7 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev,
 				struct cpuidle_driver *drv,
 				int index)
 {
-	unsigned long allowed_mode = arch_hwblk_sleep_mode();
+	unsigned long allowed_mode = SUSP_SH_SLEEP;
 	ktime_t before, after;
 	int requested_state = index;
 	int allowed_state;