summaryrefslogtreecommitdiffstats
path: root/drivers/base
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-18 01:55:13 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-18 01:55:13 +0200
commit9d066a252786e1a18484a6283f82614d42a9f4ac (patch)
tree72188d2f86b3d0c4100257c8d5734f2c648a8bc7 /drivers/base
parent79ee2e8f730411a30b271d5f9cdeae189fa66174 (diff)
parentb00345d1994d588fa2687e1238fcd542f0320cba (diff)
downloadlinux-9d066a252786e1a18484a6283f82614d42a9f4ac.tar.bz2
Merge branches 'pm-opp' and 'pm-cpufreq-fixes'
* pm-opp: PM / OPP: Add 'UNKNOWN' status for shared_opp in struct opp_table * pm-cpufreq-fixes: cpufreq: intel_pstate: Adjust _PSS[0] freqeuency if needed
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/devcoredump.c83
-rw-r--r--drivers/base/platform.c19
-rw-r--r--drivers/base/power/clock_ops.c2
-rw-r--r--drivers/base/power/domain.c145
-rw-r--r--drivers/base/power/domain_governor.c20
-rw-r--r--drivers/base/power/main.c23
-rw-r--r--drivers/base/power/runtime.c9
-rw-r--r--drivers/base/property.c36
-rw-r--r--drivers/base/regmap/internal.h1
-rw-r--r--drivers/base/regmap/regcache-flat.c2
-rw-r--r--drivers/base/regmap/regcache.c2
-rw-r--r--drivers/base/regmap/regmap-mmio.c5
-rw-r--r--drivers/base/regmap/regmap-spmi.c2
13 files changed, 199 insertions, 150 deletions
diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index 1bd120a0b084..240374fd1838 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -4,6 +4,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2015 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -41,12 +42,12 @@ static bool devcd_disabled;
struct devcd_entry {
struct device devcd_dev;
- const void *data;
+ void *data;
size_t datalen;
struct module *owner;
ssize_t (*read)(char *buffer, loff_t offset, size_t count,
- const void *data, size_t datalen);
- void (*free)(const void *data);
+ void *data, size_t datalen);
+ void (*free)(void *data);
struct delayed_work del_wk;
struct device *failing_dev;
};
@@ -174,7 +175,7 @@ static struct class devcd_class = {
};
static ssize_t devcd_readv(char *buffer, loff_t offset, size_t count,
- const void *data, size_t datalen)
+ void *data, size_t datalen)
{
if (offset > datalen)
return -EINVAL;
@@ -188,6 +189,11 @@ static ssize_t devcd_readv(char *buffer, loff_t offset, size_t count,
return count;
}
+static void devcd_freev(void *data)
+{
+ vfree(data);
+}
+
/**
* dev_coredumpv - create device coredump with vmalloc data
* @dev: the struct device for the crashed device
@@ -198,10 +204,10 @@ static ssize_t devcd_readv(char *buffer, loff_t offset, size_t count,
* This function takes ownership of the vmalloc'ed data and will free
* it when it is no longer used. See dev_coredumpm() for more information.
*/
-void dev_coredumpv(struct device *dev, const void *data, size_t datalen,
+void dev_coredumpv(struct device *dev, void *data, size_t datalen,
gfp_t gfp)
{
- dev_coredumpm(dev, NULL, data, datalen, gfp, devcd_readv, vfree);
+ dev_coredumpm(dev, NULL, data, datalen, gfp, devcd_readv, devcd_freev);
}
EXPORT_SYMBOL_GPL(dev_coredumpv);
@@ -213,6 +219,44 @@ static int devcd_match_failing(struct device *dev, const void *failing)
}
/**
+ * devcd_free_sgtable - free all the memory of the given scatterlist table
+ * (i.e. both pages and scatterlist instances)
+ * NOTE: if two tables allocated with devcd_alloc_sgtable and then chained
+ * using the sg_chain function then that function should be called only once
+ * on the chained table
+ * @table: pointer to sg_table to free
+ */
+static void devcd_free_sgtable(void *data)
+{
+ _devcd_free_sgtable(data);
+}
+
+/**
+ * devcd_read_from_table - copy data from sg_table to a given buffer
+ * and return the number of bytes read
+ * @buffer: the buffer to copy the data to it
+ * @buf_len: the length of the buffer
+ * @data: the scatterlist table to copy from
+ * @offset: start copy from @offset@ bytes from the head of the data
+ * in the given scatterlist
+ * @data_len: the length of the data in the sg_table
+ */
+static ssize_t devcd_read_from_sgtable(char *buffer, loff_t offset,
+ size_t buf_len, void *data,
+ size_t data_len)
+{
+ struct scatterlist *table = data;
+
+ if (offset > data_len)
+ return -EINVAL;
+
+ if (offset + buf_len > data_len)
+ buf_len = data_len - offset;
+ return sg_pcopy_to_buffer(table, sg_nents(table), buffer, buf_len,
+ offset);
+}
+
+/**
* dev_coredumpm - create device coredump with read/free methods
* @dev: the struct device for the crashed device
* @owner: the module that contains the read/free functions, use %THIS_MODULE
@@ -228,10 +272,10 @@ static int devcd_match_failing(struct device *dev, const void *failing)
* function will be called to free the data.
*/
void dev_coredumpm(struct device *dev, struct module *owner,
- const void *data, size_t datalen, gfp_t gfp,
+ void *data, size_t datalen, gfp_t gfp,
ssize_t (*read)(char *buffer, loff_t offset, size_t count,
- const void *data, size_t datalen),
- void (*free)(const void *data))
+ void *data, size_t datalen),
+ void (*free)(void *data))
{
static atomic_t devcd_count = ATOMIC_INIT(0);
struct devcd_entry *devcd;
@@ -291,6 +335,27 @@ void dev_coredumpm(struct device *dev, struct module *owner,
}
EXPORT_SYMBOL_GPL(dev_coredumpm);
+/**
+ * dev_coredumpmsg - create device coredump that uses scatterlist as data
+ * parameter
+ * @dev: the struct device for the crashed device
+ * @table: the dump data
+ * @datalen: length of the data
+ * @gfp: allocation flags
+ *
+ * Creates a new device coredump for the given device. If a previous one hasn't
+ * been read yet, the new coredump is discarded. The data lifetime is determined
+ * by the device coredump framework and when it is no longer needed
+ * it will free the data.
+ */
+void dev_coredumpsg(struct device *dev, struct scatterlist *table,
+ size_t datalen, gfp_t gfp)
+{
+ dev_coredumpm(dev, NULL, table, datalen, gfp, devcd_read_from_sgtable,
+ devcd_free_sgtable);
+}
+EXPORT_SYMBOL_GPL(dev_coredumpsg);
+
static int __init devcoredump_init(void)
{
return class_register(&devcd_class);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f437afa17f2b..6482d47deb50 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -322,16 +322,16 @@ EXPORT_SYMBOL_GPL(platform_device_add_data);
/**
* platform_device_add_properties - add built-in properties to a platform device
* @pdev: platform device to add properties to
- * @pset: properties to add
+ * @properties: null terminated array of properties to add
*
- * The function will take deep copy of the properties in @pset and attach
- * the copy to the platform device. The memory associated with properties
- * will be freed when the platform device is released.
+ * The function will take deep copy of @properties and attach the copy to the
+ * platform device. The memory associated with properties will be freed when the
+ * platform device is released.
*/
int platform_device_add_properties(struct platform_device *pdev,
- const struct property_set *pset)
+ struct property_entry *properties)
{
- return device_add_property_set(&pdev->dev, pset);
+ return device_add_properties(&pdev->dev, properties);
}
EXPORT_SYMBOL_GPL(platform_device_add_properties);
@@ -447,7 +447,7 @@ void platform_device_del(struct platform_device *pdev)
release_resource(r);
}
- device_remove_property_set(&pdev->dev);
+ device_remove_properties(&pdev->dev);
}
}
EXPORT_SYMBOL_GPL(platform_device_del);
@@ -526,8 +526,9 @@ struct platform_device *platform_device_register_full(
if (ret)
goto err;
- if (pdevinfo->pset) {
- ret = platform_device_add_properties(pdev, pdevinfo->pset);
+ if (pdevinfo->properties) {
+ ret = platform_device_add_properties(pdev,
+ pdevinfo->properties);
if (ret)
goto err;
}
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 0e64a1b5e62a..3657ac1cb801 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -159,7 +159,7 @@ int of_pm_clk_add_clks(struct device *dev)
count = of_count_phandle_with_args(dev->of_node, "clocks",
"#clock-cells");
- if (count == 0)
+ if (count <= 0)
return -ENODEV;
clks = kcalloc(count, sizeof(*clks), GFP_KERNEL);
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 56705b52758e..de23b648fce3 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -229,17 +229,6 @@ static int genpd_poweron(struct generic_pm_domain *genpd, unsigned int depth)
return ret;
}
-static int genpd_save_dev(struct generic_pm_domain *genpd, struct device *dev)
-{
- return GENPD_DEV_CALLBACK(genpd, int, save_state, dev);
-}
-
-static int genpd_restore_dev(struct generic_pm_domain *genpd,
- struct device *dev)
-{
- return GENPD_DEV_CALLBACK(genpd, int, restore_state, dev);
-}
-
static int genpd_dev_pm_qos_notifier(struct notifier_block *nb,
unsigned long val, void *ptr)
{
@@ -372,17 +361,63 @@ static void genpd_power_off_work_fn(struct work_struct *work)
}
/**
- * pm_genpd_runtime_suspend - Suspend a device belonging to I/O PM domain.
+ * __genpd_runtime_suspend - walk the hierarchy of ->runtime_suspend() callbacks
+ * @dev: Device to handle.
+ */
+static int __genpd_runtime_suspend(struct device *dev)
+{
+ int (*cb)(struct device *__dev);
+
+ if (dev->type && dev->type->pm)
+ cb = dev->type->pm->runtime_suspend;
+ else if (dev->class && dev->class->pm)
+ cb = dev->class->pm->runtime_suspend;
+ else if (dev->bus && dev->bus->pm)
+ cb = dev->bus->pm->runtime_suspend;
+ else
+ cb = NULL;
+
+ if (!cb && dev->driver && dev->driver->pm)
+ cb = dev->driver->pm->runtime_suspend;
+
+ return cb ? cb(dev) : 0;
+}
+
+/**
+ * __genpd_runtime_resume - walk the hierarchy of ->runtime_resume() callbacks
+ * @dev: Device to handle.
+ */
+static int __genpd_runtime_resume(struct device *dev)
+{
+ int (*cb)(struct device *__dev);
+
+ if (dev->type && dev->type->pm)
+ cb = dev->type->pm->runtime_resume;
+ else if (dev->class && dev->class->pm)
+ cb = dev->class->pm->runtime_resume;
+ else if (dev->bus && dev->bus->pm)
+ cb = dev->bus->pm->runtime_resume;
+ else
+ cb = NULL;
+
+ if (!cb && dev->driver && dev->driver->pm)
+ cb = dev->driver->pm->runtime_resume;
+
+ return cb ? cb(dev) : 0;
+}
+
+/**
+ * genpd_runtime_suspend - Suspend a device belonging to I/O PM domain.
* @dev: Device to suspend.
*
* Carry out a runtime suspend of a device under the assumption that its
* pm_domain field points to the domain member of an object of type
* struct generic_pm_domain representing a PM domain consisting of I/O devices.
*/
-static int pm_genpd_runtime_suspend(struct device *dev)
+static int genpd_runtime_suspend(struct device *dev)
{
struct generic_pm_domain *genpd;
- bool (*stop_ok)(struct device *__dev);
+ bool (*suspend_ok)(struct device *__dev);
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
bool runtime_pm = pm_runtime_enabled(dev);
ktime_t time_start;
@@ -401,21 +436,21 @@ static int pm_genpd_runtime_suspend(struct device *dev)
* runtime PM is disabled. Under these circumstances, we shall skip
* validating/measuring the PM QoS latency.
*/
- stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL;
- if (runtime_pm && stop_ok && !stop_ok(dev))
+ suspend_ok = genpd->gov ? genpd->gov->suspend_ok : NULL;
+ if (runtime_pm && suspend_ok && !suspend_ok(dev))
return -EBUSY;
/* Measure suspend latency. */
if (runtime_pm)
time_start = ktime_get();
- ret = genpd_save_dev(genpd, dev);
+ ret = __genpd_runtime_suspend(dev);
if (ret)
return ret;
ret = genpd_stop_dev(genpd, dev);
if (ret) {
- genpd_restore_dev(genpd, dev);
+ __genpd_runtime_resume(dev);
return ret;
}
@@ -446,14 +481,14 @@ static int pm_genpd_runtime_suspend(struct device *dev)
}
/**
- * pm_genpd_runtime_resume - Resume a device belonging to I/O PM domain.
+ * genpd_runtime_resume - Resume a device belonging to I/O PM domain.
* @dev: Device to resume.
*
* Carry out a runtime resume of a device under the assumption that its
* pm_domain field points to the domain member of an object of type
* struct generic_pm_domain representing a PM domain consisting of I/O devices.
*/
-static int pm_genpd_runtime_resume(struct device *dev)
+static int genpd_runtime_resume(struct device *dev)
{
struct generic_pm_domain *genpd;
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
@@ -491,7 +526,7 @@ static int pm_genpd_runtime_resume(struct device *dev)
if (ret)
goto err_poweroff;
- ret = genpd_restore_dev(genpd, dev);
+ ret = __genpd_runtime_resume(dev);
if (ret)
goto err_stop;
@@ -695,15 +730,6 @@ static int pm_genpd_prepare(struct device *dev)
* at this point and a system wakeup event should be reported if it's
* set up to wake up the system from sleep states.
*/
- pm_runtime_get_noresume(dev);
- if (pm_runtime_barrier(dev) && device_may_wakeup(dev))
- pm_wakeup_event(dev, 0);
-
- if (pm_wakeup_pending()) {
- pm_runtime_put(dev);
- return -EBUSY;
- }
-
if (resume_needed(dev, genpd))
pm_runtime_resume(dev);
@@ -716,10 +742,8 @@ static int pm_genpd_prepare(struct device *dev)
mutex_unlock(&genpd->lock);
- if (genpd->suspend_power_off) {
- pm_runtime_put_noidle(dev);
+ if (genpd->suspend_power_off)
return 0;
- }
/*
* The PM domain must be in the GPD_STATE_ACTIVE state at this point,
@@ -741,7 +765,6 @@ static int pm_genpd_prepare(struct device *dev)
pm_runtime_enable(dev);
}
- pm_runtime_put(dev);
return ret;
}
@@ -1427,54 +1450,6 @@ out:
}
EXPORT_SYMBOL_GPL(pm_genpd_remove_subdomain);
-/* Default device callbacks for generic PM domains. */
-
-/**
- * pm_genpd_default_save_state - Default "save device state" for PM domains.
- * @dev: Device to handle.
- */
-static int pm_genpd_default_save_state(struct device *dev)
-{
- int (*cb)(struct device *__dev);
-
- if (dev->type && dev->type->pm)
- cb = dev->type->pm->runtime_suspend;
- else if (dev->class && dev->class->pm)
- cb = dev->class->pm->runtime_suspend;
- else if (dev->bus && dev->bus->pm)
- cb = dev->bus->pm->runtime_suspend;
- else
- cb = NULL;
-
- if (!cb && dev->driver && dev->driver->pm)
- cb = dev->driver->pm->runtime_suspend;
-
- return cb ? cb(dev) : 0;
-}
-
-/**
- * pm_genpd_default_restore_state - Default PM domains "restore device state".
- * @dev: Device to handle.
- */
-static int pm_genpd_default_restore_state(struct device *dev)
-{
- int (*cb)(struct device *__dev);
-
- if (dev->type && dev->type->pm)
- cb = dev->type->pm->runtime_resume;
- else if (dev->class && dev->class->pm)
- cb = dev->class->pm->runtime_resume;
- else if (dev->bus && dev->bus->pm)
- cb = dev->bus->pm->runtime_resume;
- else
- cb = NULL;
-
- if (!cb && dev->driver && dev->driver->pm)
- cb = dev->driver->pm->runtime_resume;
-
- return cb ? cb(dev) : 0;
-}
-
/**
* pm_genpd_init - Initialize a generic I/O PM domain object.
* @genpd: PM domain object to initialize.
@@ -1498,8 +1473,8 @@ void pm_genpd_init(struct generic_pm_domain *genpd,
genpd->device_count = 0;
genpd->max_off_time_ns = -1;
genpd->max_off_time_changed = true;
- genpd->domain.ops.runtime_suspend = pm_genpd_runtime_suspend;
- genpd->domain.ops.runtime_resume = pm_genpd_runtime_resume;
+ genpd->domain.ops.runtime_suspend = genpd_runtime_suspend;
+ genpd->domain.ops.runtime_resume = genpd_runtime_resume;
genpd->domain.ops.prepare = pm_genpd_prepare;
genpd->domain.ops.suspend = pm_genpd_suspend;
genpd->domain.ops.suspend_late = pm_genpd_suspend_late;
@@ -1520,8 +1495,6 @@ void pm_genpd_init(struct generic_pm_domain *genpd,
genpd->domain.ops.restore_early = pm_genpd_resume_early;
genpd->domain.ops.restore = pm_genpd_resume;
genpd->domain.ops.complete = pm_genpd_complete;
- genpd->dev_ops.save_state = pm_genpd_default_save_state;
- genpd->dev_ops.restore_state = pm_genpd_default_restore_state;
if (genpd->flags & GENPD_FLAG_PM_CLK) {
genpd->dev_ops.stop = pm_clk_suspend;
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 00a5436dd44b..2e0fce711135 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -37,10 +37,10 @@ static int dev_update_qos_constraint(struct device *dev, void *data)
}
/**
- * default_stop_ok - Default PM domain governor routine for stopping devices.
+ * default_suspend_ok - Default PM domain governor routine to suspend devices.
* @dev: Device to check.
*/
-static bool default_stop_ok(struct device *dev)
+static bool default_suspend_ok(struct device *dev)
{
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
unsigned long flags;
@@ -51,13 +51,13 @@ static bool default_stop_ok(struct device *dev)
spin_lock_irqsave(&dev->power.lock, flags);
if (!td->constraint_changed) {
- bool ret = td->cached_stop_ok;
+ bool ret = td->cached_suspend_ok;
spin_unlock_irqrestore(&dev->power.lock, flags);
return ret;
}
td->constraint_changed = false;
- td->cached_stop_ok = false;
+ td->cached_suspend_ok = false;
td->effective_constraint_ns = -1;
constraint_ns = __dev_pm_qos_read_value(dev);
@@ -83,13 +83,13 @@ static bool default_stop_ok(struct device *dev)
return false;
}
td->effective_constraint_ns = constraint_ns;
- td->cached_stop_ok = constraint_ns >= 0;
+ td->cached_suspend_ok = constraint_ns >= 0;
/*
* The children have been suspended already, so we don't need to take
- * their stop latencies into account here.
+ * their suspend latencies into account here.
*/
- return td->cached_stop_ok;
+ return td->cached_suspend_ok;
}
/**
@@ -150,7 +150,7 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd,
*/
td = &to_gpd_data(pdd)->td;
constraint_ns = td->effective_constraint_ns;
- /* default_stop_ok() need not be called before us. */
+ /* default_suspend_ok() need not be called before us. */
if (constraint_ns < 0) {
constraint_ns = dev_pm_qos_read_value(pdd->dev);
constraint_ns *= NSEC_PER_USEC;
@@ -227,7 +227,7 @@ static bool always_on_power_down_ok(struct dev_pm_domain *domain)
}
struct dev_power_governor simple_qos_governor = {
- .stop_ok = default_stop_ok,
+ .suspend_ok = default_suspend_ok,
.power_down_ok = default_power_down_ok,
};
@@ -236,5 +236,5 @@ struct dev_power_governor simple_qos_governor = {
*/
struct dev_power_governor pm_domain_always_on_gov = {
.power_down_ok = always_on_power_down_ok,
- .stop_ok = default_stop_ok,
+ .suspend_ok = default_suspend_ok,
};
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 6e7c3ccea24b..e44944f4be77 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1267,14 +1267,15 @@ int dpm_suspend_late(pm_message_t state)
error = device_suspend_late(dev);
mutex_lock(&dpm_list_mtx);
+ if (!list_empty(&dev->power.entry))
+ list_move(&dev->power.entry, &dpm_late_early_list);
+
if (error) {
pm_dev_err(dev, state, " late", error);
dpm_save_failed_dev(dev_name(dev));
put_device(dev);
break;
}
- if (!list_empty(&dev->power.entry))
- list_move(&dev->power.entry, &dpm_late_early_list);
put_device(dev);
if (async_error)
@@ -1556,7 +1557,6 @@ int dpm_suspend(pm_message_t state)
static int device_prepare(struct device *dev, pm_message_t state)
{
int (*callback)(struct device *) = NULL;
- char *info = NULL;
int ret = 0;
if (dev->power.syscore)
@@ -1579,24 +1579,17 @@ static int device_prepare(struct device *dev, pm_message_t state)
goto unlock;
}
- if (dev->pm_domain) {
- info = "preparing power domain ";
+ if (dev->pm_domain)
callback = dev->pm_domain->ops.prepare;
- } else if (dev->type && dev->type->pm) {
- info = "preparing type ";
+ else if (dev->type && dev->type->pm)
callback = dev->type->pm->prepare;
- } else if (dev->class && dev->class->pm) {
- info = "preparing class ";
+ else if (dev->class && dev->class->pm)
callback = dev->class->pm->prepare;
- } else if (dev->bus && dev->bus->pm) {
- info = "preparing bus ";
+ else if (dev->bus && dev->bus->pm)
callback = dev->bus->pm->prepare;
- }
- if (!callback && dev->driver && dev->driver->pm) {
- info = "preparing driver ";
+ if (!callback && dev->driver && dev->driver->pm)
callback = dev->driver->pm->prepare;
- }
if (callback)
ret = callback(dev);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 4c7055009bd6..b74690418504 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1506,11 +1506,16 @@ int pm_runtime_force_resume(struct device *dev)
goto out;
}
- ret = callback(dev);
+ ret = pm_runtime_set_active(dev);
if (ret)
goto out;
- pm_runtime_set_active(dev);
+ ret = callback(dev);
+ if (ret) {
+ pm_runtime_set_suspended(dev);
+ goto out;
+ }
+
pm_runtime_mark_last_busy(dev);
out:
pm_runtime_enable(dev);
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 9b1a65debd49..f38c21de29b7 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -19,9 +19,14 @@
#include <linux/etherdevice.h>
#include <linux/phy.h>
+struct property_set {
+ struct fwnode_handle fwnode;
+ struct property_entry *properties;
+};
+
static inline bool is_pset_node(struct fwnode_handle *fwnode)
{
- return fwnode && fwnode->type == FWNODE_PDATA;
+ return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_PDATA;
}
static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode)
@@ -801,14 +806,14 @@ static struct property_set *pset_copy_set(const struct property_set *pset)
}
/**
- * device_remove_property_set - Remove properties from a device object.
+ * device_remove_properties - Remove properties from a device object.
* @dev: Device whose properties to remove.
*
* The function removes properties previously associated to the device
- * secondary firmware node with device_add_property_set(). Memory allocated
+ * secondary firmware node with device_add_properties(). Memory allocated
* to the properties will also be released.
*/
-void device_remove_property_set(struct device *dev)
+void device_remove_properties(struct device *dev)
{
struct fwnode_handle *fwnode;
@@ -831,24 +836,27 @@ void device_remove_property_set(struct device *dev)
}
}
}
-EXPORT_SYMBOL_GPL(device_remove_property_set);
+EXPORT_SYMBOL_GPL(device_remove_properties);
/**
- * device_add_property_set - Add a collection of properties to a device object.
+ * device_add_properties - Add a collection of properties to a device object.
* @dev: Device to add properties to.
- * @pset: Collection of properties to add.
+ * @properties: Collection of properties to add.
*
- * Associate a collection of device properties represented by @pset with @dev
- * as its secondary firmware node. The function takes a copy of @pset.
+ * Associate a collection of device properties represented by @properties with
+ * @dev as its secondary firmware node. The function takes a copy of
+ * @properties.
*/
-int device_add_property_set(struct device *dev, const struct property_set *pset)
+int device_add_properties(struct device *dev, struct property_entry *properties)
{
- struct property_set *p;
+ struct property_set *p, pset;
- if (!pset)
+ if (!properties)
return -EINVAL;
- p = pset_copy_set(pset);
+ pset.properties = properties;
+
+ p = pset_copy_set(&pset);
if (IS_ERR(p))
return PTR_ERR(p);
@@ -856,7 +864,7 @@ int device_add_property_set(struct device *dev, const struct property_set *pset)
set_secondary_fwnode(dev, &p->fwnode);
return 0;
}
-EXPORT_SYMBOL_GPL(device_add_property_set);
+EXPORT_SYMBOL_GPL(device_add_properties);
/**
* device_get_next_child_node - Return the next child node handle for a device
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 5c79526245c2..a0380338946a 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -13,6 +13,7 @@
#ifndef _REGMAP_INTERNAL_H
#define _REGMAP_INTERNAL_H
+#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/fs.h>
#include <linux/list.h>
diff --git a/drivers/base/regmap/regcache-flat.c b/drivers/base/regmap/regcache-flat.c
index 3ee72550b1e3..4d2e50bfc726 100644
--- a/drivers/base/regmap/regcache-flat.c
+++ b/drivers/base/regmap/regcache-flat.c
@@ -27,7 +27,7 @@ static int regcache_flat_init(struct regmap *map)
int i;
unsigned int *cache;
- if (!map || map->reg_stride_order < 0)
+ if (!map || map->reg_stride_order < 0 || !map->max_register)
return -EINVAL;
map->cache = kcalloc(regcache_flat_get_index(map, map->max_register)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 4170b7d95276..df7ff7290821 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -529,7 +529,7 @@ EXPORT_SYMBOL_GPL(regcache_mark_dirty);
* regcache_cache_bypass: Put a register map into cache bypass mode
*
* @map: map to configure
- * @cache_bypass: flag if changes should not be written to the hardware
+ * @cache_bypass: flag if changes should not be written to the cache
*
* When a register map is marked with the cache bypass option, writes
* to the register map API will only update the hardware and not the
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 7526906ca080..5189fd6182f6 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -23,6 +23,8 @@
#include <linux/regmap.h>
#include <linux/slab.h>
+#include "internal.h"
+
struct regmap_mmio_context {
void __iomem *regs;
unsigned val_bytes;
@@ -212,6 +214,7 @@ static const struct regmap_bus regmap_mmio = {
.reg_write = regmap_mmio_write,
.reg_read = regmap_mmio_read,
.free_context = regmap_mmio_free_context,
+ .val_format_endian_default = REGMAP_ENDIAN_LITTLE,
};
static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
@@ -245,7 +248,7 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
ctx->val_bytes = config->val_bits / 8;
ctx->clk = ERR_PTR(-ENODEV);
- switch (config->reg_format_endian) {
+ switch (regmap_get_val_endian(dev, &regmap_mmio, config)) {
case REGMAP_ENDIAN_DEFAULT:
case REGMAP_ENDIAN_LITTLE:
#ifdef __LITTLE_ENDIAN
diff --git a/drivers/base/regmap/regmap-spmi.c b/drivers/base/regmap/regmap-spmi.c
index 7e58f6560399..4a36e415e938 100644
--- a/drivers/base/regmap/regmap-spmi.c
+++ b/drivers/base/regmap/regmap-spmi.c
@@ -142,7 +142,7 @@ static int regmap_spmi_ext_read(void *context,
while (val_size) {
len = min_t(size_t, val_size, 8);
- err = spmi_ext_register_readl(context, addr, val, val_size);
+ err = spmi_ext_register_readl(context, addr, val, len);
if (err)
goto err_out;