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authorViresh Kumar <viresh.kumar@linaro.org>2017-12-22 09:38:00 +0300
committerViresh Kumar <viresh.kumar@linaro.org>2018-05-09 07:45:21 +0300
commit28fa4aca262ce0865d27788ebc480e643117d7ab (patch)
tree55da67f06759350700e1f8aa350f65660cb10fa7 /drivers/opp
parent3ba98324e81addf5a1089ffc981e3e2b1630b2a7 (diff)
downloadlinux-28fa4aca262ce0865d27788ebc480e643117d7ab.tar.xz
PM / OPP: Remove dev_pm_opp_{un}register_get_pstate_helper()
These helpers aren't used anymore, remove them. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c75
-rw-r--r--drivers/opp/opp.h2
2 files changed, 0 insertions, 77 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index e4ec30ee1493..6d3624ba89b6 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1568,81 +1568,6 @@ void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table)
EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_set_opp_helper);
/**
- * dev_pm_opp_register_get_pstate_helper() - Register get_pstate() helper.
- * @dev: Device for which the helper is getting registered.
- * @get_pstate: Helper.
- *
- * TODO: Remove this callback after the same information is available via Device
- * Tree.
- *
- * This allows a platform to initialize the performance states of individual
- * OPPs for its devices, until we get similar information directly from DT.
- *
- * This must be called before the OPPs are initialized for the device.
- */
-struct opp_table *dev_pm_opp_register_get_pstate_helper(struct device *dev,
- int (*get_pstate)(struct device *dev, unsigned long rate))
-{
- struct opp_table *opp_table;
- int ret;
-
- if (!get_pstate)
- return ERR_PTR(-EINVAL);
-
- opp_table = dev_pm_opp_get_opp_table(dev);
- if (!opp_table)
- return ERR_PTR(-ENOMEM);
-
- /* This should be called before OPPs are initialized */
- if (WARN_ON(!list_empty(&opp_table->opp_list))) {
- ret = -EBUSY;
- goto err;
- }
-
- /* Already have genpd_performance_state set */
- if (WARN_ON(opp_table->genpd_performance_state)) {
- ret = -EBUSY;
- goto err;
- }
-
- opp_table->genpd_performance_state = true;
- opp_table->get_pstate = get_pstate;
-
- return opp_table;
-
-err:
- dev_pm_opp_put_opp_table(opp_table);
-
- return ERR_PTR(ret);
-}
-EXPORT_SYMBOL_GPL(dev_pm_opp_register_get_pstate_helper);
-
-/**
- * dev_pm_opp_unregister_get_pstate_helper() - Releases resources blocked for
- * get_pstate() helper
- * @opp_table: OPP table returned from dev_pm_opp_register_get_pstate_helper().
- *
- * Release resources blocked for platform specific get_pstate() helper.
- */
-void dev_pm_opp_unregister_get_pstate_helper(struct opp_table *opp_table)
-{
- if (!opp_table->genpd_performance_state) {
- pr_err("%s: Doesn't have performance states set\n",
- __func__);
- return;
- }
-
- /* Make sure there are no concurrent readers while updating opp_table */
- WARN_ON(!list_empty(&opp_table->opp_list));
-
- opp_table->genpd_performance_state = false;
- opp_table->get_pstate = NULL;
-
- dev_pm_opp_put_opp_table(opp_table);
-}
-EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_get_pstate_helper);
-
-/**
* dev_pm_opp_add() - Add an OPP table from a table definitions
* @dev: device for which we do this operation
* @freq: Frequency in Hz for this OPP
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h
index f9eccf9811ae..7c540fd063b2 100644
--- a/drivers/opp/opp.h
+++ b/drivers/opp/opp.h
@@ -140,7 +140,6 @@ enum opp_table_access {
* @genpd_performance_state: Device's power domain support performance state.
* @set_opp: Platform specific set_opp callback
* @set_opp_data: Data to be passed to set_opp callback
- * @get_pstate: Platform specific get_pstate callback
* @dentry: debugfs dentry pointer of the real device directory (not links).
* @dentry_name: Name of the real dentry.
*
@@ -178,7 +177,6 @@ struct opp_table {
int (*set_opp)(struct dev_pm_set_opp_data *data);
struct dev_pm_set_opp_data *set_opp_data;
- int (*get_pstate)(struct device *dev, unsigned long rate);
#ifdef CONFIG_DEBUG_FS
struct dentry *dentry;