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authorArnd Bergmann <arnd@arndb.de>2019-02-15 19:58:41 +0300
committerArnd Bergmann <arnd@arndb.de>2019-02-15 20:00:05 +0300
commit405bcfff172db863b7c4b63e0e0ef8508966c90a (patch)
tree67b34d629c465fd51f863f2029b0faf03e3a3a99 /drivers/opp
parentdea73a34e0edcff6a56f238748b49fc88046b9a0 (diff)
parent4e2256d31f0f24107c36dae35a1d84dff0fced30 (diff)
downloadlinux-405bcfff172db863b7c4b63e0e0ef8508966c90a.tar.xz
Merge tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.1 * Add Qualcomm RPMh power domain driver and related changes * Fix issues with sleep/wake sets and batch API in RPMh * Update MAINTAINERS Qualcomm entry * Fixup RMTFS-mem sysfs and uevents * Fix error handling in GSBI * Add SMD-RPM compatible entry for SDM660 * tag 'qcom-drivers-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux: soc: qcom: smd-rpm: Add sdm660 compatible soc: qcom: gsbi: Fix error handling in gsbi_probe() soc: qcom: rpmh: Avoid accessing freed memory from batch API drivers: qcom: rpmh: avoid sending sleep/wake sets immediately soc: qcom: rmtfs-mem: Make sysfs attributes world-readable soc: qcom: rmtfs-mem: Add class to enable uevents soc: qcom: update config dependencies for QCOM_RPMPD soc: qcom: rpmpd: Drop family A RPM dependency MAINTAINERS: update list of qcom drivers soc: qcom: rpmhpd: Mark mx as a parent for cx soc: qcom: rpmhpd: Add RPMh power domain driver soc: qcom: rpmpd: Add support for get/set performance state soc: qcom: rpmpd: Add a Power domain driver to model corners dt-bindings: power: Add qcom rpm power domain driver bindings OPP: Add support for parsing the 'opp-level' property dt-bindings: opp: Introduce opp-level bindings Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/opp')
-rw-r--r--drivers/opp/core.c18
-rw-r--r--drivers/opp/of.c2
-rw-r--r--drivers/opp/opp.h2
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 18f1639dbc4a..e06a0ab05ad6 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -131,6 +131,24 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq);
/**
+ * dev_pm_opp_get_level() - Gets the level corresponding to an available opp
+ * @opp: opp for which level value has to be returned for
+ *
+ * Return: level read from device tree corresponding to the opp, else
+ * return 0.
+ */
+unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
+{
+ if (IS_ERR_OR_NULL(opp) || !opp->available) {
+ pr_err("%s: Invalid parameters\n", __func__);
+ return 0;
+ }
+
+ return opp->level;
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_get_level);
+
+/**
* dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not
* @opp: opp for which turbo mode is being verified
*
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 06f0f632ec47..1779f2c93291 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -594,6 +594,8 @@ static struct dev_pm_opp *_opp_add_static_v2(struct opp_table *opp_table,
new_opp->rate = (unsigned long)rate;
}
+ of_property_read_u32(np, "opp-level", &new_opp->level);
+
/* Check if the OPP supports hardware's hierarchy of versions or not */
if (!_opp_is_supported(dev, opp_table, np)) {
dev_dbg(dev, "OPP not supported by hardware: %llu\n", rate);
diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h
index e24d81497375..4458175aa661 100644
--- a/drivers/opp/opp.h
+++ b/drivers/opp/opp.h
@@ -60,6 +60,7 @@ extern struct list_head opp_tables;
* @suspend: true if suspend OPP
* @pstate: Device's power domain's performance state.
* @rate: Frequency in hertz
+ * @level: Performance level
* @supplies: Power supplies voltage/current values
* @clock_latency_ns: Latency (in nanoseconds) of switching to this OPP's
* frequency from any other OPP's frequency.
@@ -80,6 +81,7 @@ struct dev_pm_opp {
bool suspend;
unsigned int pstate;
unsigned long rate;
+ unsigned int level;
struct dev_pm_opp_supply *supplies;