diff options
Diffstat (limited to 'drivers/soc/xilinx')
| -rw-r--r-- | drivers/soc/xilinx/zynqmp_pm_domains.c | 18 | ||||
| -rw-r--r-- | drivers/soc/xilinx/zynqmp_power.c | 10 |
2 files changed, 16 insertions, 12 deletions
diff --git a/drivers/soc/xilinx/zynqmp_pm_domains.c b/drivers/soc/xilinx/zynqmp_pm_domains.c index 354d256e6e00..600f57cf0c2e 100644 --- a/drivers/soc/xilinx/zynqmp_pm_domains.c +++ b/drivers/soc/xilinx/zynqmp_pm_domains.c @@ -23,6 +23,8 @@ /* Flag stating if PM nodes mapped to the PM domain has been requested */ #define ZYNQMP_PM_DOMAIN_REQUESTED BIT(0) +static const struct zynqmp_eemi_ops *eemi_ops; + /** * struct zynqmp_pm_domain - Wrapper around struct generic_pm_domain * @gpd: Generic power domain @@ -71,9 +73,8 @@ static int zynqmp_gpd_power_on(struct generic_pm_domain *domain) { int ret; struct zynqmp_pm_domain *pd; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops || !eemi_ops->set_requirement) + if (!eemi_ops->set_requirement) return -ENXIO; pd = container_of(domain, struct zynqmp_pm_domain, gpd); @@ -107,9 +108,8 @@ static int zynqmp_gpd_power_off(struct generic_pm_domain *domain) struct zynqmp_pm_domain *pd; u32 capabilities = 0; bool may_wakeup; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops || !eemi_ops->set_requirement) + if (!eemi_ops->set_requirement) return -ENXIO; pd = container_of(domain, struct zynqmp_pm_domain, gpd); @@ -160,9 +160,8 @@ static int zynqmp_gpd_attach_dev(struct generic_pm_domain *domain, { int ret; struct zynqmp_pm_domain *pd; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops || !eemi_ops->request_node) + if (!eemi_ops->request_node) return -ENXIO; pd = container_of(domain, struct zynqmp_pm_domain, gpd); @@ -197,9 +196,8 @@ static void zynqmp_gpd_detach_dev(struct generic_pm_domain *domain, { int ret; struct zynqmp_pm_domain *pd; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops || !eemi_ops->release_node) + if (!eemi_ops->release_node) return; pd = container_of(domain, struct zynqmp_pm_domain, gpd); @@ -266,6 +264,10 @@ static int zynqmp_gpd_probe(struct platform_device *pdev) struct zynqmp_pm_domain *pd; struct device *dev = &pdev->dev; + eemi_ops = zynqmp_pm_get_eemi_ops(); + if (IS_ERR(eemi_ops)) + return PTR_ERR(eemi_ops); + pd = devm_kcalloc(dev, ZYNQMP_NUM_DOMAINS, sizeof(*pd), GFP_KERNEL); if (!pd) return -ENOMEM; diff --git a/drivers/soc/xilinx/zynqmp_power.c b/drivers/soc/xilinx/zynqmp_power.c index 771cb59b9d22..1b9d14411a15 100644 --- a/drivers/soc/xilinx/zynqmp_power.c +++ b/drivers/soc/xilinx/zynqmp_power.c @@ -31,6 +31,7 @@ static const char *const suspend_modes[] = { }; static enum pm_suspend_mode suspend_mode = PM_SUSPEND_MODE_STD; +static const struct zynqmp_eemi_ops *eemi_ops; enum pm_api_cb_id { PM_INIT_SUSPEND_CB = 30, @@ -92,9 +93,8 @@ static ssize_t suspend_mode_store(struct device *dev, const char *buf, size_t count) { int md, ret = -EINVAL; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops || !eemi_ops->set_suspend_mode) + if (!eemi_ops->set_suspend_mode) return ret; for (md = PM_SUSPEND_MODE_FIRST; md < ARRAY_SIZE(suspend_modes); md++) @@ -120,9 +120,11 @@ static int zynqmp_pm_probe(struct platform_device *pdev) int ret, irq; u32 pm_api_version; - const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); + eemi_ops = zynqmp_pm_get_eemi_ops(); + if (IS_ERR(eemi_ops)) + return PTR_ERR(eemi_ops); - if (!eemi_ops || !eemi_ops->get_api_version || !eemi_ops->init_finalize) + if (!eemi_ops->get_api_version || !eemi_ops->init_finalize) return -ENXIO; eemi_ops->init_finalize(); |