diff options
Diffstat (limited to 'drivers/base/power/domain.c')
| -rw-r--r-- | drivers/base/power/domain.c | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index d8c1eab..c93aa3a 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1329,6 +1329,10 @@ int pm_genpd_init(struct generic_pm_domain *genpd, EXPORT_SYMBOL_GPL(pm_genpd_init); #ifdef CONFIG_PM_GENERIC_DOMAINS_OF + +typedef struct generic_pm_domain *(*genpd_xlate_t)(struct of_phandle_args *args, + void *data); + /* * Device Tree based PM domain providers. * @@ -1340,8 +1344,8 @@ EXPORT_SYMBOL_GPL(pm_genpd_init); * maps a PM domain specifier retrieved from the device tree to a PM domain. * * Two simple mapping functions have been provided for convenience: - * - __of_genpd_xlate_simple() for 1:1 device tree node to PM domain mapping. - * - __of_genpd_xlate_onecell() for mapping of multiple PM domains per node by + * - genpd_xlate_simple() for 1:1 device tree node to PM domain mapping. + * - genpd_xlate_onecell() for mapping of multiple PM domains per node by * index. */ @@ -1366,7 +1370,7 @@ static LIST_HEAD(of_genpd_providers); static DEFINE_MUTEX(of_genpd_mutex); /** - * __of_genpd_xlate_simple() - Xlate function for direct node-domain mapping + * genpd_xlate_simple() - Xlate function for direct node-domain mapping * @genpdspec: OF phandle args to map into a PM domain * @data: xlate function private data - pointer to struct generic_pm_domain * @@ -1374,7 +1378,7 @@ static DEFINE_MUTEX(of_genpd_mutex); * have their own device tree nodes. The private data of xlate function needs * to be a valid pointer to struct generic_pm_domain. */ -struct generic_pm_domain *__of_genpd_xlate_simple( +static struct generic_pm_domain *genpd_xlate_simple( struct of_phandle_args *genpdspec, void *data) { @@ -1382,10 +1386,9 @@ struct generic_pm_domain *__of_genpd_xlate_simple( return ERR_PTR(-EINVAL); return data; } -EXPORT_SYMBOL_GPL(__of_genpd_xlate_simple); /** - * __of_genpd_xlate_onecell() - Xlate function using a single index. + * genpd_xlate_onecell() - Xlate function using a single index. * @genpdspec: OF phandle args to map into a PM domain * @data: xlate function private data - pointer to struct genpd_onecell_data * @@ -1394,7 +1397,7 @@ EXPORT_SYMBOL_GPL(__of_genpd_xlate_simple); * A single cell is used as an index into an array of PM domains specified in * the genpd_onecell_data struct when registering the provider. */ -struct generic_pm_domain *__of_genpd_xlate_onecell( +static struct generic_pm_domain *genpd_xlate_onecell( struct of_phandle_args *genpdspec, void *data) { @@ -1414,16 +1417,15 @@ struct generic_pm_domain *__of_genpd_xlate_onecell( return genpd_data->domains[idx]; } -EXPORT_SYMBOL_GPL(__of_genpd_xlate_onecell); /** - * __of_genpd_add_provider() - Register a PM domain provider for a node + * genpd_add_provider() - Register a PM domain provider for a node * @np: Device node pointer associated with the PM domain provider. * @xlate: Callback for decoding PM domain from phandle arguments. * @data: Context pointer for @xlate callback. */ -int __of_genpd_add_provider(struct device_node *np, genpd_xlate_t xlate, - void *data) +static int genpd_add_provider(struct device_node *np, genpd_xlate_t xlate, + void *data) { struct of_genpd_provider *cp; @@ -1442,7 +1444,30 @@ int __of_genpd_add_provider(struct device_node *np, genpd_xlate_t xlate, return 0; } -EXPORT_SYMBOL_GPL(__of_genpd_add_provider); + +/** + * of_genpd_add_provider_simple() - Register a simple PM domain provider + * @np: Device node pointer associated with the PM domain provider. + * @genpd: Pointer to PM domain associated with the PM domain provider. + */ +int of_genpd_add_provider_simple(struct device_node *np, + struct generic_pm_domain *genpd) +{ + return genpd_add_provider(np, genpd_xlate_simple, genpd); +} +EXPORT_SYMBOL_GPL(of_genpd_add_provider_simple); + +/** + * of_genpd_add_provider_onecell() - Register a onecell PM domain provider + * @np: Device node pointer associated with the PM domain provider. + * @data: Pointer to the data associated with the PM domain provider. + */ +int of_genpd_add_provider_onecell(struct device_node *np, + struct genpd_onecell_data *data) +{ + return genpd_add_provider(np, genpd_xlate_onecell, data); +} +EXPORT_SYMBOL_GPL(of_genpd_add_provider_onecell); /** * of_genpd_del_provider() - Remove a previously registered PM domain provider |
