diff options
| -rw-r--r-- | arch/arm/mach-omap2/powerdomain.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/powerdomain.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 86babd740d41..e233dfcbc186 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -102,6 +102,10 @@ static int _pwrdm_register(struct powerdomain *pwrdm) if (_pwrdm_lookup(pwrdm->name)) return -EEXIST; + if (arch_pwrdm && arch_pwrdm->pwrdm_has_voltdm) + if (!arch_pwrdm->pwrdm_has_voltdm()) + goto skip_voltdm; + voltdm = voltdm_lookup(pwrdm->voltdm.name); if (!voltdm) { pr_err("powerdomain: %s: voltagedomain %s does not exist\n", @@ -111,6 +115,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm) pwrdm->voltdm.ptr = voltdm; INIT_LIST_HEAD(&pwrdm->voltdm_node); voltdm_add_pwrdm(voltdm, pwrdm); +skip_voltdm: spin_lock_init(&pwrdm->_lock); list_add(&pwrdm->node, &pwrdm_list); diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index 140c36074fed..9701ad5778b9 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -166,6 +166,7 @@ struct powerdomain { * @pwrdm_disable_hdwr_sar: Disable Hardware Save-Restore feature for a pd * @pwrdm_set_lowpwrstchange: Enable pd transitions from a shallow to deep sleep * @pwrdm_wait_transition: Wait for a pd state transition to complete + * @pwrdm_has_voltdm: Check if a voltdm association is needed * * Regarding @pwrdm_set_lowpwrstchange: On the OMAP2 and 3-family * chips, a powerdomain's power state is not allowed to directly @@ -196,6 +197,7 @@ struct pwrdm_ops { int (*pwrdm_disable_hdwr_sar)(struct powerdomain *pwrdm); int (*pwrdm_set_lowpwrstchange)(struct powerdomain *pwrdm); int (*pwrdm_wait_transition)(struct powerdomain *pwrdm); + int (*pwrdm_has_voltdm)(void); }; int pwrdm_register_platform_funcs(struct pwrdm_ops *custom_funcs); |