Merge tag 'omap-devel-b-for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into for_3.10/dts_merged

6 files changed, 42 insertions, 28 deletions

diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c
index 476b82066cb6..7f091c85384e 100644
--- a/arch/arm/mach-omap2/cclock33xx_data.c
+++ b/arch/arm/mach-omap2/cclock33xx_data.c
@@ -958,6 +958,14 @@ int __init am33xx_clk_init(void)
 
 	clk_set_parent(&timer3_fck, &sys_clkin_ck);
 	clk_set_parent(&timer6_fck, &sys_clkin_ck);
+	/*
+	 * The On-Chip 32K RC Osc clock is not an accurate clock-source as per
+	 * the design/spec, so as a result, for example, timer which supposed
+	 * to get expired @60Sec, but will expire somewhere ~@40Sec, which is
+	 * not expected by any use-case, so change WDT1 clock source to PRCM
+	 * 32KHz clock.
+	 */
+	clk_set_parent(&wdt1_fck, &clkdiv32k_ick);
 
 	return 0;
 }
diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c
index 3aed4b0b9563..6e9873ff1844 100644
--- a/arch/arm/mach-omap2/dpll3xxx.c
+++ b/arch/arm/mach-omap2/dpll3xxx.c
@@ -480,20 +480,22 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 	if (!dd)
 		return -EINVAL;
 
-	__clk_prepare(dd->clk_bypass);
-	clk_enable(dd->clk_bypass);
-	__clk_prepare(dd->clk_ref);
-	clk_enable(dd->clk_ref);
-
 	if (__clk_get_rate(dd->clk_bypass) == rate &&
 	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
 		pr_debug("%s: %s: set rate: entering bypass.\n",
 			 __func__, __clk_get_name(hw->clk));
 
+		__clk_prepare(dd->clk_bypass);
+		clk_enable(dd->clk_bypass);
 		ret = _omap3_noncore_dpll_bypass(clk);
 		if (!ret)
 			new_parent = dd->clk_bypass;
+		clk_disable(dd->clk_bypass);
+		__clk_unprepare(dd->clk_bypass);
 	} else {
+		__clk_prepare(dd->clk_ref);
+		clk_enable(dd->clk_ref);
+
 		if (dd->last_rounded_rate != rate)
 			rate = __clk_round_rate(hw->clk, rate);
 
@@ -514,6 +516,8 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 		ret = omap3_noncore_dpll_program(clk, freqsel);
 		if (!ret)
 			new_parent = dd->clk_ref;
+		clk_disable(dd->clk_ref);
+		__clk_unprepare(dd->clk_ref);
 	}
 	/*
 	* FIXME - this is all wrong.  common code handles reparenting and
@@ -525,11 +529,6 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
 	if (!ret)
 		__clk_reparent(hw->clk, new_parent);
 
-	clk_disable(dd->clk_ref);
-	__clk_unprepare(dd->clk_ref);
-	clk_disable(dd->clk_bypass);
-	__clk_unprepare(dd->clk_bypass);
-
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index c2c798c08c2b..e5cafed8ef25 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -610,8 +610,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v)
 
 	/* XXX test pwrdm_get_wken for this hwmod's subsystem */
 
-	oh->_int_flags |= _HWMOD_WAKEUP_ENABLED;
-
 	return 0;
 }
 
@@ -645,8 +643,6 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
 
 	/* XXX test pwrdm_get_wken for this hwmod's subsystem */
 
-	oh->_int_flags &= ~_HWMOD_WAKEUP_ENABLED;
-
 	return 0;
 }
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index d43d9b608eda..28f4dea0512e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -477,15 +477,13 @@ struct omap_hwmod_omap4_prcm {
  * These are for internal use only and are managed by the omap_hwmod code.
  *
  * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module
- * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP
  * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached
  * _HWMOD_SKIP_ENABLE: set if hwmod enabled during init (HWMOD_INIT_NO_IDLE) -
  *     causes the first call to _enable() to only update the pinmux
  */
 #define _HWMOD_NO_MPU_PORT			(1 << 0)
-#define _HWMOD_WAKEUP_ENABLED			(1 << 1)
-#define _HWMOD_SYSCONFIG_LOADED			(1 << 2)
-#define _HWMOD_SKIP_ENABLE			(1 << 3)
+#define _HWMOD_SYSCONFIG_LOADED			(1 << 1)
+#define _HWMOD_SKIP_ENABLE			(1 << 2)
 
 /*
  * omap_hwmod._state definitions
diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
index 26eee4a556ad..31bea1ce3de1 100644
--- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c
@@ -28,6 +28,7 @@
 #include "prm-regbits-33xx.h"
 #include "i2c.h"
 #include "mmc.h"
+#include "wd_timer.h"
 
 /*
  * IP blocks
@@ -2087,8 +2088,21 @@ static struct omap_hwmod am33xx_uart6_hwmod = {
 };
 
 /* 'wd_timer' class */
+static struct omap_hwmod_class_sysconfig wdt_sysc = {
+	.rev_offs	= 0x0,
+	.sysc_offs	= 0x10,
+	.syss_offs	= 0x14,
+	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_SIDLEMODE |
+			SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+			SIDLE_SMART_WKUP),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
 static struct omap_hwmod_class am33xx_wd_timer_hwmod_class = {
 	.name		= "wd_timer",
+	.sysc		= &wdt_sysc,
+	.pre_shutdown	= &omap2_wd_timer_disable,
 };
 
 /*
@@ -2099,6 +2113,7 @@ static struct omap_hwmod am33xx_wd_timer1_hwmod = {
 	.name		= "wd_timer2",
 	.class		= &am33xx_wd_timer_hwmod_class,
 	.clkdm_name	= "l4_wkup_clkdm",
+	.flags		= HWMOD_SWSUP_SIDLE,
 	.main_clk	= "wdt1_fck",
 	.prcm		= {
 		.omap4	= {
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c
index 8e61d80bf6b3..89cad4a605dd 100644
--- a/arch/arm/mach-omap2/powerdomain.c
+++ b/arch/arm/mach-omap2/powerdomain.c
@@ -52,7 +52,6 @@ enum {
 #define ALREADYACTIVE_SWITCH		0
 #define FORCEWAKEUP_SWITCH		1
 #define LOWPOWERSTATE_SWITCH		2
-#define ERROR_SWITCH			3
 
 /* pwrdm_list contains all registered struct powerdomains */
 static LIST_HEAD(pwrdm_list);
@@ -233,10 +232,7 @@ static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm,
 {
 	u8 sleep_switch;
 
-	if (curr_pwrst < 0) {
-		WARN_ON(1);
-		sleep_switch = ERROR_SWITCH;
-	} else if (curr_pwrst < PWRDM_POWER_ON) {
+	if (curr_pwrst < PWRDM_POWER_ON) {
 		if (curr_pwrst > pwrst &&
 		    pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE &&
 		    arch_pwrdm->pwrdm_set_lowpwrstchange) {
@@ -1091,7 +1087,8 @@ int pwrdm_post_transition(struct powerdomain *pwrdm)
  */
 int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
 {
-	u8 curr_pwrst, next_pwrst, sleep_switch;
+	u8 next_pwrst, sleep_switch;
+	int curr_pwrst;
 	int ret = 0;
 	bool hwsup = false;
 
@@ -1107,16 +1104,17 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst)
 	pwrdm_lock(pwrdm);
 
 	curr_pwrst = pwrdm_read_pwrst(pwrdm);
+	if (curr_pwrst < 0) {
+		ret = -EINVAL;
+		goto osps_out;
+	}
+
 	next_pwrst = pwrdm_read_next_pwrst(pwrdm);
 	if (curr_pwrst == pwrst && next_pwrst == pwrst)
 		goto osps_out;
 
 	sleep_switch = _pwrdm_save_clkdm_state_and_activate(pwrdm, curr_pwrst,
 							    pwrst, &hwsup);
-	if (sleep_switch == ERROR_SWITCH) {
-		ret = -EINVAL;
-		goto osps_out;
-	}
 
 	ret = pwrdm_set_next_pwrst(pwrdm, pwrst);
 	if (ret)