3 files changed, 72 insertions, 65 deletions

diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index 4c3ce9cfd948..e9b4f6c564e4 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/limits.h>
+#include <linux/err.h>
 
 #include <linux/io.h>
 
@@ -71,14 +72,14 @@ static void _autodep_lookup(struct clkdm_pwrdm_autodep *autodep)
         if (!omap_chip_is(autodep->omap_chip))
                 return;
 
-        pwrdm = pwrdm_lookup(autodep->pwrdm_name);
+        pwrdm = pwrdm_lookup(autodep->pwrdm.name);
         if (!pwrdm) {
                 pr_debug("clockdomain: _autodep_lookup: powerdomain %s "
-                         "does not exist\n", autodep->pwrdm_name);
+                         "does not exist\n", autodep->pwrdm.name);
                 WARN_ON(1);
-                return;
+                pwrdm = ERR_PTR(-ENOENT);
         }
-        autodep->pwrdm = pwrdm;
+        autodep->pwrdm.ptr = pwrdm;
 
         return;
 }
@@ -95,16 +96,16 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
 {
         struct clkdm_pwrdm_autodep *autodep;
 
-        for (autodep = autodeps; autodep->pwrdm_name; autodep++) {
-                if (!autodep->pwrdm)
+        for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) {
+                if (IS_ERR(autodep->pwrdm.ptr))
                         continue;
 
                 pr_debug("clockdomain: adding %s sleepdep/wkdep for "
-                         "pwrdm %s\n", autodep->pwrdm_name,
-                         clkdm->pwrdm->name);
+                         "pwrdm %s\n", autodep->pwrdm.ptr->name,
+                         clkdm->pwrdm.ptr->name);
 
-                pwrdm_add_sleepdep(clkdm->pwrdm, autodep->pwrdm);
-                pwrdm_add_wkdep(clkdm->pwrdm, autodep->pwrdm);
+                pwrdm_add_sleepdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr);
+                pwrdm_add_wkdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr);
         }
 }
 
@@ -120,16 +121,16 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
 {
         struct clkdm_pwrdm_autodep *autodep;
 
-        for (autodep = autodeps; autodep->pwrdm_name; autodep++) {
-                if (!autodep->pwrdm)
+        for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) {
+                if (IS_ERR(autodep->pwrdm.ptr))
                         continue;
 
                 pr_debug("clockdomain: removing %s sleepdep/wkdep for "
-                         "pwrdm %s\n", autodep->pwrdm_name,
-                         clkdm->pwrdm->name);
+                         "pwrdm %s\n", autodep->pwrdm.ptr->name,
+                         clkdm->pwrdm.ptr->name);
 
-                pwrdm_del_sleepdep(clkdm->pwrdm, autodep->pwrdm);
-                pwrdm_del_wkdep(clkdm->pwrdm, autodep->pwrdm);
+                pwrdm_del_sleepdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr);
+                pwrdm_del_wkdep(clkdm->pwrdm.ptr, autodep->pwrdm.ptr);
         }
 }
 
@@ -179,7 +180,7 @@ void clkdm_init(struct clockdomain **clkdms,
 
         autodeps = init_autodeps;
         if (autodeps)
-                for (autodep = autodeps; autodep->pwrdm_name; autodep++)
+                for (autodep = autodeps; autodep->pwrdm.ptr; autodep++)
                         _autodep_lookup(autodep);
 }
 
@@ -202,13 +203,13 @@ int clkdm_register(struct clockdomain *clkdm)
         if (!omap_chip_is(clkdm->omap_chip))
                 return -EINVAL;
 
-        pwrdm = pwrdm_lookup(clkdm->pwrdm_name);
+        pwrdm = pwrdm_lookup(clkdm->pwrdm.name);
         if (!pwrdm) {
                 pr_debug("clockdomain: clkdm_register %s: powerdomain %s "
-                         "does not exist\n", clkdm->name, clkdm->pwrdm_name);
+                         "does not exist\n", clkdm->name, clkdm->pwrdm.name);
                 return -EINVAL;
         }
-        clkdm->pwrdm = pwrdm;
+        clkdm->pwrdm.ptr = pwrdm;
 
         mutex_lock(&clkdm_mutex);
         /* Verify that the clockdomain is not already registered */
@@ -242,7 +243,7 @@ int clkdm_unregister(struct clockdomain *clkdm)
         if (!clkdm)
                 return -EINVAL;
 
-        pwrdm_del_clkdm(clkdm->pwrdm, clkdm);
+        pwrdm_del_clkdm(clkdm->pwrdm.ptr, clkdm);
 
         mutex_lock(&clkdm_mutex);
         list_del(&clkdm->node);
@@ -327,7 +328,7 @@ struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm)
         if (!clkdm)
                 return NULL;
 
-        return clkdm->pwrdm;
+        return clkdm->pwrdm.ptr;
 }
 
 
@@ -348,7 +349,7 @@ static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm)
         if (!clkdm)
                 return -EINVAL;
 
-        v = cm_read_mod_reg(clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL);
+        v = cm_read_mod_reg(clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
         v &= clkdm->clktrctrl_mask;
         v >>= __ffs(clkdm->clktrctrl_mask);
 
@@ -380,7 +381,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
         if (cpu_is_omap24xx()) {
 
                 cm_set_mod_reg_bits(OMAP24XX_FORCESTATE,
-                                    clkdm->pwrdm->prcm_offs, PM_PWSTCTRL);
+                                    clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL);
 
         } else if (cpu_is_omap34xx()) {
 
@@ -388,7 +389,7 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm)
                          __ffs(clkdm->clktrctrl_mask));
 
                 cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v,
-                                    clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL);
+                                    clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
 
         } else {
                 BUG();
@@ -422,7 +423,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
         if (cpu_is_omap24xx()) {
 
                 cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE,
-                                      clkdm->pwrdm->prcm_offs, PM_PWSTCTRL);
+                                      clkdm->pwrdm.ptr->prcm_offs, PM_PWSTCTRL);
 
         } else if (cpu_is_omap34xx()) {
 
@@ -430,7 +431,7 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm)
                          __ffs(clkdm->clktrctrl_mask));
 
                 cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, v,
-                                    clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL);
+                                    clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
 
         } else {
                 BUG();
@@ -478,7 +479,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
 
         cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
                             v << __ffs(clkdm->clktrctrl_mask),
-                            clkdm->pwrdm->prcm_offs,
+                            clkdm->pwrdm.ptr->prcm_offs,
                             CM_CLKSTCTRL);
 }
 
@@ -516,7 +517,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
 
         cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask,
                             v << __ffs(clkdm->clktrctrl_mask),
-                            clkdm->pwrdm->prcm_offs, CM_CLKSTCTRL);
+                            clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL);
 
         if (atomic_read(&clkdm->usecount) > 0)
                 _clkdm_del_autodeps(clkdm);
diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h
index cd86dcc7b424..e17c3693542c 100644
--- a/arch/arm/mach-omap2/clockdomains.h
+++ b/arch/arm/mach-omap2/clockdomains.h
@@ -19,7 +19,7 @@
 /* This is an implicit clockdomain - it is never defined as such in TRM */
 static struct clockdomain wkup_clkdm = {
         .name           = "wkup_clkdm",
-        .pwrdm_name     = "wkup_pwrdm",
+        .pwrdm          = { .name = "wkup_pwrdm" },
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
 };
 
@@ -31,7 +31,7 @@ static struct clockdomain wkup_clkdm = {
 
 static struct clockdomain mpu_2420_clkdm = {
         .name           = "mpu_clkdm",
-        .pwrdm_name     = "mpu_pwrdm",
+        .pwrdm          = { .name = "mpu_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
@@ -39,7 +39,7 @@ static struct clockdomain mpu_2420_clkdm = {
 
 static struct clockdomain iva1_2420_clkdm = {
         .name           = "iva1_clkdm",
-        .pwrdm_name     = "dsp_pwrdm",
+        .pwrdm          = { .name = "dsp_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP2420_AUTOSTATE_IVA_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
@@ -56,7 +56,7 @@ static struct clockdomain iva1_2420_clkdm = {
 
 static struct clockdomain mpu_2430_clkdm = {
         .name           = "mpu_clkdm",
-        .pwrdm_name     = "mpu_pwrdm",
+        .pwrdm          = { .name = "mpu_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_MPU_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
@@ -64,7 +64,7 @@ static struct clockdomain mpu_2430_clkdm = {
 
 static struct clockdomain mdm_clkdm = {
         .name           = "mdm_clkdm",
-        .pwrdm_name     = "mdm_pwrdm",
+        .pwrdm          = { .name = "mdm_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP2430_AUTOSTATE_MDM_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP2430),
@@ -81,7 +81,7 @@ static struct clockdomain mdm_clkdm = {
 
 static struct clockdomain dsp_clkdm = {
         .name           = "dsp_clkdm",
-        .pwrdm_name     = "dsp_pwrdm",
+        .pwrdm          = { .name = "dsp_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSP_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
@@ -89,7 +89,7 @@ static struct clockdomain dsp_clkdm = {
 
 static struct clockdomain gfx_24xx_clkdm = {
         .name           = "gfx_clkdm",
-        .pwrdm_name     = "gfx_pwrdm",
+        .pwrdm          = { .name = "gfx_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_GFX_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
@@ -97,7 +97,7 @@ static struct clockdomain gfx_24xx_clkdm = {
 
 static struct clockdomain core_l3_24xx_clkdm = {
         .name           = "core_l3_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L3_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
@@ -105,7 +105,7 @@ static struct clockdomain core_l3_24xx_clkdm = {
 
 static struct clockdomain core_l4_24xx_clkdm = {
         .name           = "core_l4_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_L4_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
@@ -113,7 +113,7 @@ static struct clockdomain core_l4_24xx_clkdm = {
 
 static struct clockdomain dss_24xx_clkdm = {
         .name           = "dss_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP24XX_AUTOSTATE_DSS_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX),
@@ -130,7 +130,7 @@ static struct clockdomain dss_24xx_clkdm = {
 
 static struct clockdomain mpu_34xx_clkdm = {
         .name           = "mpu_clkdm",
-        .pwrdm_name     = "mpu_pwrdm",
+        .pwrdm          = { .name = "mpu_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP | CLKDM_CAN_FORCE_WAKEUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_MPU_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -138,7 +138,7 @@ static struct clockdomain mpu_34xx_clkdm = {
 
 static struct clockdomain neon_clkdm = {
         .name           = "neon_clkdm",
-        .pwrdm_name     = "neon_pwrdm",
+        .pwrdm          = { .name = "neon_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_NEON_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -146,7 +146,7 @@ static struct clockdomain neon_clkdm = {
 
 static struct clockdomain iva2_clkdm = {
         .name           = "iva2_clkdm",
-        .pwrdm_name     = "iva2_pwrdm",
+        .pwrdm          = { .name = "iva2_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_IVA2_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -154,7 +154,7 @@ static struct clockdomain iva2_clkdm = {
 
 static struct clockdomain gfx_3430es1_clkdm = {
         .name           = "gfx_clkdm",
-        .pwrdm_name     = "gfx_pwrdm",
+        .pwrdm          = { .name = "gfx_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_GFX_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1),
@@ -162,7 +162,7 @@ static struct clockdomain gfx_3430es1_clkdm = {
 
 static struct clockdomain sgx_clkdm = {
         .name           = "sgx_clkdm",
-        .pwrdm_name     = "sgx_pwrdm",
+        .pwrdm          = { .name = "sgx_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_SGX_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
@@ -177,7 +177,7 @@ static struct clockdomain sgx_clkdm = {
  */
 static struct clockdomain d2d_clkdm = {
         .name           = "d2d_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP3430ES1_CLKTRCTRL_D2D_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -185,7 +185,7 @@ static struct clockdomain d2d_clkdm = {
 
 static struct clockdomain core_l3_34xx_clkdm = {
         .name           = "core_l3_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L3_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -193,7 +193,7 @@ static struct clockdomain core_l3_34xx_clkdm = {
 
 static struct clockdomain core_l4_34xx_clkdm = {
         .name           = "core_l4_clkdm",
-        .pwrdm_name     = "core_pwrdm",
+        .pwrdm          = { .name = "core_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_L4_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -201,7 +201,7 @@ static struct clockdomain core_l4_34xx_clkdm = {
 
 static struct clockdomain dss_34xx_clkdm = {
         .name           = "dss_clkdm",
-        .pwrdm_name     = "dss_pwrdm",
+        .pwrdm          = { .name = "dss_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_DSS_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -209,7 +209,7 @@ static struct clockdomain dss_34xx_clkdm = {
 
 static struct clockdomain cam_clkdm = {
         .name           = "cam_clkdm",
-        .pwrdm_name     = "cam_pwrdm",
+        .pwrdm          = { .name = "cam_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_CAM_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -217,7 +217,7 @@ static struct clockdomain cam_clkdm = {
 
 static struct clockdomain usbhost_clkdm = {
         .name           = "usbhost_clkdm",
-        .pwrdm_name     = "usbhost_pwrdm",
+        .pwrdm          = { .name = "usbhost_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430ES2_CLKTRCTRL_USBHOST_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES2),
@@ -225,7 +225,7 @@ static struct clockdomain usbhost_clkdm = {
 
 static struct clockdomain per_clkdm = {
         .name           = "per_clkdm",
-        .pwrdm_name     = "per_pwrdm",
+        .pwrdm          = { .name = "per_pwrdm" },
         .flags          = CLKDM_CAN_HWSUP_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_PER_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -233,7 +233,7 @@ static struct clockdomain per_clkdm = {
 
 static struct clockdomain emu_clkdm = {
         .name           = "emu_clkdm",
-        .pwrdm_name     = "emu_pwrdm",
+        .pwrdm          = { .name = "emu_pwrdm" },
         .flags          = CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_SWSUP,
         .clktrctrl_mask = OMAP3430_CLKTRCTRL_EMU_MASK,
         .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
@@ -247,14 +247,16 @@ static struct clockdomain emu_clkdm = {
 
 static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = {
         {
-                .pwrdm_name = "mpu_pwrdm",
+                .pwrdm     = { .name = "mpu_pwrdm" },
                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
         },
         {
-                .pwrdm_name = "iva2_pwrdm",
+                .pwrdm     = { .name = "iva2_pwrdm" },
                 .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
         },
-        { NULL }
+        {
+                .pwrdm     = { .name = NULL },
+        }
 };
 
 /*
diff --git a/arch/arm/plat-omap/include/mach/clockdomain.h b/arch/arm/plat-omap/include/mach/clockdomain.h
index 1f51f0173784..b9d0dd2da89b 100644
--- a/arch/arm/plat-omap/include/mach/clockdomain.h
+++ b/arch/arm/plat-omap/include/mach/clockdomain.h
@@ -1,5 +1,5 @@
 /*
- * linux/include/asm-arm/arch-omap/clockdomain.h
+ * arch/arm/plat-omap/include/mach/clockdomain.h
  *
  * OMAP2/3 clockdomain framework functions
  *
@@ -48,11 +48,13 @@
  */
 struct clkdm_pwrdm_autodep {
 
-        /* Name of the powerdomain to add a wkdep/sleepdep on */
-        const char *pwrdm_name;
+        union {
+                /* Name of the powerdomain to add a wkdep/sleepdep on */
+                const char *name;
 
-        /* Powerdomain pointer (looked up at clkdm_init() time) */
-        struct powerdomain *pwrdm;
+                /* Powerdomain pointer (looked up at clkdm_init() time) */
+                struct powerdomain *ptr;
+        } pwrdm;
 
         /* OMAP chip types that this clockdomain dep is valid on */
         const struct omap_chip_id omap_chip;
@@ -64,8 +66,13 @@ struct clockdomain {
         /* Clockdomain name */
         const char *name;
 
-        /* Powerdomain enclosing this clockdomain */
-        const char *pwrdm_name;
+        union {
+                /* Powerdomain enclosing this clockdomain */
+                const char *name;
+
+                /* Powerdomain pointer assigned at clkdm_register() */
+                struct powerdomain *ptr;
+        } pwrdm;
 
         /* CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg */
         const u16 clktrctrl_mask;
@@ -79,9 +86,6 @@ struct clockdomain {
         /* Usecount tracking */
         atomic_t usecount;
 
-        /* Powerdomain pointer assigned at clkdm_register() */
-        struct powerdomain *pwrdm;
-
         struct list_head node;
 
 };