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-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/Makefile1
-rw-r--r--drivers/base/power/Makefile1
-rw-r--r--drivers/opp/Kconfig13
-rw-r--r--drivers/opp/Makefile (renamed from drivers/base/power/opp/Makefile)0
-rw-r--r--drivers/opp/core.c (renamed from drivers/base/power/opp/core.c)8
-rw-r--r--drivers/opp/cpu.c (renamed from drivers/base/power/opp/cpu.c)0
-rw-r--r--drivers/opp/debugfs.c (renamed from drivers/base/power/opp/debugfs.c)7
-rw-r--r--drivers/opp/of.c (renamed from drivers/base/power/opp/of.c)6
-rw-r--r--drivers/opp/opp.h (renamed from drivers/base/power/opp/opp.h)0
-rw-r--r--include/linux/pm_opp.h4
-rw-r--r--kernel/power/Kconfig14
13 files changed, 30 insertions, 28 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 2d3d750b19c0..9d307548c73b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10050,7 +10050,7 @@ M: Stephen Boyd <sboyd@codeaurora.org>
L: linux-pm@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm.git
-F: drivers/base/power/opp/
+F: drivers/opp/
F: include/linux/pm_opp.h
F: Documentation/power/opp.txt
F: Documentation/devicetree/bindings/opp/
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 505c676fa9c7..9e264d410c23 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -208,4 +208,6 @@ source "drivers/tee/Kconfig"
source "drivers/mux/Kconfig"
+source "drivers/opp/Kconfig"
+
endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index d90fdc413648..dd718a3007e9 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -125,6 +125,7 @@ obj-$(CONFIG_ACCESSIBILITY) += accessibility/
obj-$(CONFIG_ISDN) += isdn/
obj-$(CONFIG_EDAC) += edac/
obj-$(CONFIG_EISA) += eisa/
+obj-$(CONFIG_PM_OPP) += opp/
obj-$(CONFIG_CPU_FREQ) += cpufreq/
obj-$(CONFIG_CPU_IDLE) += cpuidle/
obj-y += mmc/
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index 5998c53280f5..73a1cffc0a5f 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -1,7 +1,6 @@
obj-$(CONFIG_PM) += sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o
obj-$(CONFIG_PM_SLEEP) += main.o wakeup.o
obj-$(CONFIG_PM_TRACE_RTC) += trace.o
-obj-$(CONFIG_PM_OPP) += opp/
obj-$(CONFIG_PM_GENERIC_DOMAINS) += domain.o domain_governor.o
obj-$(CONFIG_HAVE_CLK) += clock_ops.o
diff --git a/drivers/opp/Kconfig b/drivers/opp/Kconfig
new file mode 100644
index 000000000000..a7fbb93f302c
--- /dev/null
+++ b/drivers/opp/Kconfig
@@ -0,0 +1,13 @@
+config PM_OPP
+ bool
+ select SRCU
+ ---help---
+ SOCs have a standard set of tuples consisting of frequency and
+ voltage pairs that the device will support per voltage domain. This
+ is called Operating Performance Point or OPP. The actual definitions
+ of OPP varies over silicon within the same family of devices.
+
+ OPP layer organizes the data internally using device pointers
+ representing individual voltage domains and provides SOC
+ implementations a ready to use framework to manage OPPs.
+ For more information, read <file:Documentation/power/opp.txt>
diff --git a/drivers/base/power/opp/Makefile b/drivers/opp/Makefile
index e70ceb406fe9..e70ceb406fe9 100644
--- a/drivers/base/power/opp/Makefile
+++ b/drivers/opp/Makefile
diff --git a/drivers/base/power/opp/core.c b/drivers/opp/core.c
index a6de32530693..80c21207e48c 100644
--- a/drivers/base/power/opp/core.c
+++ b/drivers/opp/core.c
@@ -296,7 +296,7 @@ int dev_pm_opp_get_opp_count(struct device *dev)
opp_table = _find_opp_table(dev);
if (IS_ERR(opp_table)) {
count = PTR_ERR(opp_table);
- dev_err(dev, "%s: OPP table not found (%d)\n",
+ dev_dbg(dev, "%s: OPP table not found (%d)\n",
__func__, count);
return count;
}
@@ -1476,13 +1476,13 @@ err:
EXPORT_SYMBOL_GPL(dev_pm_opp_register_set_opp_helper);
/**
- * dev_pm_opp_register_put_opp_helper() - Releases resources blocked for
+ * dev_pm_opp_unregister_set_opp_helper() - Releases resources blocked for
* set_opp helper
* @opp_table: OPP table returned from dev_pm_opp_register_set_opp_helper().
*
* Release resources blocked for platform specific set_opp helper.
*/
-void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table)
+void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table)
{
if (!opp_table->set_opp) {
pr_err("%s: Doesn't have custom set_opp helper set\n",
@@ -1497,7 +1497,7 @@ void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table)
dev_pm_opp_put_opp_table(opp_table);
}
-EXPORT_SYMBOL_GPL(dev_pm_opp_register_put_opp_helper);
+EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_set_opp_helper);
/**
* dev_pm_opp_add() - Add an OPP table from a table definitions
diff --git a/drivers/base/power/opp/cpu.c b/drivers/opp/cpu.c
index 2d87bc1adf38..2d87bc1adf38 100644
--- a/drivers/base/power/opp/cpu.c
+++ b/drivers/opp/cpu.c
diff --git a/drivers/base/power/opp/debugfs.c b/drivers/opp/debugfs.c
index 81cf120fcf43..9318848f3c67 100644
--- a/drivers/base/power/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -41,16 +41,15 @@ static bool opp_debug_create_supplies(struct dev_pm_opp *opp,
{
struct dentry *d;
int i;
- char *name;
for (i = 0; i < opp_table->regulator_count; i++) {
- name = kasprintf(GFP_KERNEL, "supply-%d", i);
+ char name[15];
+
+ snprintf(name, sizeof(name), "supply-%d", i);
/* Create per-opp directory */
d = debugfs_create_dir(name, pdentry);
- kfree(name);
-
if (!d)
return false;
diff --git a/drivers/base/power/opp/of.c b/drivers/opp/of.c
index 0b718886479b..cb716aa2f44b 100644
--- a/drivers/base/power/opp/of.c
+++ b/drivers/opp/of.c
@@ -16,7 +16,7 @@
#include <linux/cpu.h>
#include <linux/errno.h>
#include <linux/device.h>
-#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/export.h>
@@ -397,6 +397,7 @@ static int _of_add_opp_table_v2(struct device *dev, struct device_node *opp_np)
dev_err(dev, "%s: Failed to add OPP, %d\n", __func__,
ret);
_dev_pm_opp_remove_table(opp_table, dev, false);
+ of_node_put(np);
goto put_opp_table;
}
}
@@ -603,7 +604,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
if (cpu == cpu_dev->id)
continue;
- cpu_np = of_get_cpu_node(cpu, NULL);
+ cpu_np = of_cpu_device_node_get(cpu);
if (!cpu_np) {
dev_err(cpu_dev, "%s: failed to get cpu%d node\n",
__func__, cpu);
@@ -613,6 +614,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
/* Get OPP descriptor node */
tmp_np = _opp_of_get_opp_desc_node(cpu_np);
+ of_node_put(cpu_np);
if (!tmp_np) {
pr_err("%pOF: Couldn't find opp node\n", cpu_np);
ret = -ENOENT;
diff --git a/drivers/base/power/opp/opp.h b/drivers/opp/opp.h
index 166eef990599..166eef990599 100644
--- a/drivers/base/power/opp/opp.h
+++ b/drivers/opp/opp.h
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 51ec727b4824..849d21dc4ca7 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -124,7 +124,7 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name);
void dev_pm_opp_put_clkname(struct opp_table *opp_table);
struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data));
-void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table);
+void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table);
int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
@@ -243,7 +243,7 @@ static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device
return ERR_PTR(-ENOTSUPP);
}
-static inline void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table) {}
+static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {}
static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name)
{
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index e8517b63eb37..e880ca22c5a5 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -259,20 +259,6 @@ config APM_EMULATION
anything, try disabling/enabling this option (or disabling/enabling
APM in your BIOS).
-config PM_OPP
- bool
- select SRCU
- ---help---
- SOCs have a standard set of tuples consisting of frequency and
- voltage pairs that the device will support per voltage domain. This
- is called Operating Performance Point or OPP. The actual definitions
- of OPP varies over silicon within the same family of devices.
-
- OPP layer organizes the data internally using device pointers
- representing individual voltage domains and provides SOC
- implementations a ready to use framework to manage OPPs.
- For more information, read <file:Documentation/power/opp.txt>
-
config PM_CLK
def_bool y
depends on PM && HAVE_CLK
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-02 06:31:54 +0300