* Paul Walmsley <paul@xxxxxxxxx> [080718 11:22]:
>
> struct clockdomain contains a struct powerdomain *pwrdm and const char
> *pwrdm_name. The pwrdm_name is only used at initialization to look up
> the appropriate pwrdm pointer. Combining these into a union saves
> about 100 bytes on 3430SDP. This patch should not cause any change in
> kernel function.
>
> Boot-tested on 3430SDP ES2.
Pushing today.
Tony
> Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
>
> size:
> text data bss dec hex filename
> 3391587 157104 107136 3655827 37c893 vmlinux.3430sdp.orig
> 3391555 157032 107136 3655723 37c82b vmlinux.3430sdp
> ---
>
> arch/arm/mach-omap2/clockdomain.c | 58 ++++++++++++++-----------------
> arch/arm/mach-omap2/clockdomains.h | 54 +++++++++++++++--------------
> include/asm-arm/arch-omap/clockdomain.h | 22 +++++++-----
> 3 files changed, 67 insertions(+), 67 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
> index 6e5f892..caa7992 100644
> --- a/arch/arm/mach-omap2/clockdomain.c
> +++ b/arch/arm/mach-omap2/clockdomain.c
> @@ -71,14 +71,14 @@ 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;
> }
> - autodep->pwrdm = pwrdm;
> + autodep->pwrdm.ptr = pwrdm;
>
> return;
> }
> @@ -95,16 +95,13 @@ static void _clkdm_add_autodeps(struct clockdomain *clkdm)
> {
> struct clkdm_pwrdm_autodep *autodep;
>
> - for (autodep = autodeps; autodep->pwrdm_name; autodep++) {
> - if (!autodep->pwrdm)
> - continue;
> -
> + for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) {
> 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 +117,13 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm)
> {
> struct clkdm_pwrdm_autodep *autodep;
>
> - for (autodep = autodeps; autodep->pwrdm_name; autodep++) {
> - if (!autodep->pwrdm)
> - continue;
> -
> + for (autodep = autodeps; autodep->pwrdm.ptr; autodep++) {
> 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 +173,7 @@ 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 +196,13 @@ 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 +236,7 @@ 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 +321,7 @@ struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm)
> if (!clkdm)
> return NULL;
>
> - return clkdm->pwrdm;
> + return clkdm->pwrdm.ptr;
> }
>
>
> @@ -348,7 +342,7 @@ 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 +374,7 @@ 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 +382,7 @@ 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 +416,7 @@ 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 +424,7 @@ 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 +472,7 @@ 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 +510,7 @@ 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 b5d3244..8559080 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/include/asm-arm/arch-omap/clockdomain.h b/include/asm-arm/arch-omap/clockdomain.h
> index d2a4551..b58bb73 100644
> --- a/include/asm-arm/arch-omap/clockdomain.h
> +++ b/include/asm-arm/arch-omap/clockdomain.h
> @@ -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;
>
> };
> --
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