7 files changed, 28 insertions, 5 deletions

diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 2172f6603848..e2b701e164f6 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -84,6 +84,7 @@ static struct clk slimbus_clk = {
 
 static struct clk sys_32k_ck = {
         .name           = "sys_32k_ck",
+        .clkdm_name     = "prm_clkdm",
         .rate           = 32768,
         .ops            = &clkops_null,
 };
@@ -512,6 +513,7 @@ static struct clk ddrphy_ck = {
         .name           = "ddrphy_ck",
         .parent         = &dpll_core_m2_ck,
         .ops            = &clkops_null,
+        .clkdm_name     = "l3_emif_clkdm",
         .fixed_div      = 2,
         .recalc         = &omap_fixed_divisor_recalc,
 };
@@ -769,6 +771,7 @@ static const struct clksel dpll_mpu_m2_div[] = {
 static struct clk dpll_mpu_m2_ck = {
         .name           = "dpll_mpu_m2_ck",
         .parent         = &dpll_mpu_ck,
+        .clkdm_name     = "cm_clkdm",
         .clksel         = dpll_mpu_m2_div,
         .clksel_reg     = OMAP4430_CM_DIV_M2_DPLL_MPU,
         .clksel_mask    = OMAP4430_DPLL_CLKOUT_DIV_MASK,
@@ -1149,6 +1152,7 @@ static const struct clksel l3_div_div[] = {
 static struct clk l3_div_ck = {
         .name           = "l3_div_ck",
         .parent         = &div_core_ck,
+        .clkdm_name     = "cm_clkdm",
         .clksel         = l3_div_div,
         .clksel_reg     = OMAP4430_CM_CLKSEL_CORE,
         .clksel_mask    = OMAP4430_CLKSEL_L3_MASK,
@@ -2824,6 +2828,7 @@ static const struct clksel trace_clk_div_div[] = {
 static struct clk trace_clk_div_ck = {
         .name           = "trace_clk_div_ck",
         .parent         = &pmd_trace_clk_mux_ck,
+        .clkdm_name     = "emu_sys_clkdm",
         .clksel         = trace_clk_div_div,
         .clksel_reg     = OMAP4430_CM_EMU_DEBUGSS_CLKCTRL,
         .clksel_mask    = OMAP4430_CLKSEL_PMD_TRACE_CLK_MASK,
diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h
index a7bc096bd407..f24e3f7a2bbc 100644
--- a/arch/arm/mach-omap2/cm.h
+++ b/arch/arm/mach-omap2/cm.h
@@ -22,4 +22,15 @@
  */
 #define MAX_MODULE_READY_TIME           2000
 
+/*
+ * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
+ * the PRCM to request that a module enter the inactive state in the
+ * case of OMAP2 & 3.  In the case of OMAP4 this is the max duration
+ * in microseconds for the module to reach the inactive state from
+ * a functional state.
+ * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
+ * kernel init.
+ */
+#define MAX_MODULE_DISABLE_TIME         5000
+
 #endif
diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 8c86d294b1a3..1a39945d9ff8 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -313,9 +313,9 @@ int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_off
 
         omap_test_timeout((_clkctrl_idlest(part, inst, cdoffs, clkctrl_offs) ==
                            CLKCTRL_IDLEST_DISABLED),
-                          MAX_MODULE_READY_TIME, i);
+                          MAX_MODULE_DISABLE_TIME, i);
 
-        return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
+        return (i < MAX_MODULE_DISABLE_TIME) ? 0 : -EBUSY;
 }
 
 /**
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 4b46b91cca5c..9fe6829f4c16 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -41,6 +41,7 @@
 #include "control.h"
 #include "mux.h"
 #include "prm.h"
+#include "common.h"
 
 #define OMAP_MUX_BASE_OFFSET            0x30    /* Offset from CTRL_BASE */
 #define OMAP_MUX_BASE_SZ                0x5ca
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index bf86f7e8f91f..773193670ea2 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -530,7 +530,7 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
         if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
                 _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v);
         if (oh->class->sysc->idlemodes & MSTANDBY_SMART_WKUP)
-                _set_master_standbymode(oh, HWMOD_IDLEMODE_SMART_WKUP, v);
+                _set_master_standbymode(oh, HWMOD_IDLEMODE_SMART, v);
 
         /* XXX test pwrdm_get_wken for this hwmod's subsystem */
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 950454a3fa31..f30e861ce6d9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -393,8 +393,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_counter_sysc = {
         .rev_offs       = 0x0000,
         .sysc_offs      = 0x0004,
         .sysc_flags     = SYSC_HAS_SIDLEMODE,
-        .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
-                           SIDLE_SMART_WKUP),
+        .idlemodes      = (SIDLE_FORCE | SIDLE_NO),
         .sysc_fields    = &omap_hwmod_sysc_type1,
 };
 
@@ -854,6 +853,11 @@ static struct omap_hwmod omap44xx_dss_hdmi_hwmod = {
         .name           = "dss_hdmi",
         .class          = &omap44xx_hdmi_hwmod_class,
         .clkdm_name     = "l3_dss_clkdm",
+        /*
+         * HDMI audio requires to use no-idle mode. Hence,
+         * set idle mode by software.
+         */
+        .flags          = HWMOD_SWSUP_SIDLE,
         .mpu_irqs       = omap44xx_dss_hdmi_irqs,
         .sdma_reqs      = omap44xx_dss_hdmi_sdma_reqs,
         .main_clk       = "dss_48mhz_clk",
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 62ec5c452792..706b7e29397f 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -461,6 +461,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
         struct clk *c;
         struct clk *pa;
 
+        mutex_lock(&clocks_mutex);
         seq_printf(s, "%-30s %-30s %-10s %s\n",
                 "clock-name", "parent-name", "rate", "use-count");
 
@@ -469,6 +470,7 @@ static int clk_dbg_show_summary(struct seq_file *s, void *unused)
                 seq_printf(s, "%-30s %-30s %-10lu %d\n",
                         c->name, pa ? pa->name : "none", c->rate, c->usecount);
         }
+        mutex_unlock(&clocks_mutex);
 
         return 0;
 }