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-rw-r--r--drivers/base/arch_topology.c25
-rw-r--r--drivers/base/base.h2
-rw-r--r--drivers/base/class.c2
-rw-r--r--drivers/base/core.c6
-rw-r--r--drivers/base/dd.c42
-rw-r--r--drivers/base/devcoredump.c83
-rw-r--r--drivers/base/devres.c4
-rw-r--r--drivers/base/driver.c6
-rw-r--r--drivers/base/firmware_loader/sysfs.c7
-rw-r--r--drivers/base/firmware_loader/sysfs.h5
-rw-r--r--drivers/base/firmware_loader/sysfs_upload.c12
-rw-r--r--drivers/base/node.c2
-rw-r--r--drivers/base/power/domain.c6
-rw-r--r--drivers/base/power/runtime.c7
-rw-r--r--drivers/base/power/wakeup.c2
-rw-r--r--drivers/base/property.c4
-rw-r--r--drivers/base/regmap/regmap-mmio.c289
-rw-r--r--drivers/base/regmap/regmap-spi-avmm.c14
-rw-r--r--drivers/base/regmap/regmap-spi.c8
-rw-r--r--drivers/base/regmap/regmap.c167
-rw-r--r--drivers/base/regmap/trace.h61
21 files changed, 627 insertions, 127 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 0424b59b695e..e7d6e6657ffa 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -353,7 +353,7 @@ void topology_init_cpu_capacity_cppc(void)
struct cppc_perf_caps perf_caps;
int cpu;
- if (likely(acpi_disabled || !acpi_cpc_valid()))
+ if (likely(!acpi_cpc_valid()))
return;
raw_capacity = kcalloc(num_possible_cpus(), sizeof(*raw_capacity),
@@ -724,7 +724,7 @@ const struct cpumask *cpu_clustergroup_mask(int cpu)
*/
if (cpumask_subset(cpu_coregroup_mask(cpu),
&cpu_topology[cpu].cluster_sibling))
- return get_cpu_mask(cpu);
+ return topology_sibling_cpumask(cpu);
return &cpu_topology[cpu].cluster_sibling;
}
@@ -735,7 +735,7 @@ void update_siblings_masks(unsigned int cpuid)
int cpu, ret;
ret = detect_cache_attributes(cpuid);
- if (ret)
+ if (ret && ret != -ENOENT)
pr_info("Early cacheinfo failed, ret = %d\n", ret);
/* update core and thread sibling masks */
@@ -841,4 +841,23 @@ void __init init_cpu_topology(void)
return;
}
}
+
+void store_cpu_topology(unsigned int cpuid)
+{
+ struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
+
+ if (cpuid_topo->package_id != -1)
+ goto topology_populated;
+
+ cpuid_topo->thread_id = -1;
+ cpuid_topo->core_id = cpuid;
+ cpuid_topo->package_id = cpu_to_node(cpuid);
+
+ pr_debug("CPU%u: package %d core %d thread %d\n",
+ cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
+ cpuid_topo->thread_id);
+
+topology_populated:
+ update_siblings_masks(cpuid);
+}
#endif
diff --git a/drivers/base/base.h b/drivers/base/base.h
index b3a43a164dcd..b902d1ecc247 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -154,8 +154,6 @@ extern void driver_remove_groups(struct device_driver *drv,
const struct attribute_group **groups);
void device_driver_detach(struct device *dev);
-extern char *make_class_name(const char *name, struct kobject *kobj);
-
extern int devres_release_all(struct device *dev);
extern void device_block_probing(void);
extern void device_unblock_probing(void);
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 8feb85e186e3..64f7b9a0970f 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -260,7 +260,7 @@ EXPORT_SYMBOL_GPL(__class_create);
*/
void class_destroy(struct class *cls)
{
- if ((cls == NULL) || (IS_ERR(cls)))
+ if (IS_ERR_OR_NULL(cls))
return;
class_unregister(cls);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 753e7cca0f40..d02501933467 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1625,7 +1625,7 @@ static int __init fw_devlink_setup(char *arg)
}
early_param("fw_devlink", fw_devlink_setup);
-static bool fw_devlink_strict = true;
+static bool fw_devlink_strict;
static int __init fw_devlink_strict_setup(char *arg)
{
return strtobool(arg, &fw_devlink_strict);
@@ -2509,7 +2509,7 @@ static ssize_t uevent_store(struct device *dev, struct device_attribute *attr,
rc = kobject_synth_uevent(&dev->kobj, buf, count);
if (rc) {
- dev_err(dev, "uevent: failed to send synthetic uevent\n");
+ dev_err(dev, "uevent: failed to send synthetic uevent: %d\n", rc);
return rc;
}
@@ -4170,7 +4170,7 @@ device_create_groups_vargs(struct class *class, struct device *parent,
struct device *dev = NULL;
int retval = -ENODEV;
- if (class == NULL || IS_ERR(class))
+ if (IS_ERR_OR_NULL(class))
goto error;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 70f79fc71539..3dda62503102 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -274,12 +274,42 @@ static int __init deferred_probe_timeout_setup(char *str)
}
__setup("deferred_probe_timeout=", deferred_probe_timeout_setup);
+/**
+ * driver_deferred_probe_check_state() - Check deferred probe state
+ * @dev: device to check
+ *
+ * Return:
+ * * -ENODEV if initcalls have completed and modules are disabled.
+ * * -ETIMEDOUT if the deferred probe timeout was set and has expired
+ * and modules are enabled.
+ * * -EPROBE_DEFER in other cases.
+ *
+ * Drivers or subsystems can opt-in to calling this function instead of directly
+ * returning -EPROBE_DEFER.
+ */
+int driver_deferred_probe_check_state(struct device *dev)
+{
+ if (!IS_ENABLED(CONFIG_MODULES) && initcalls_done) {
+ dev_warn(dev, "ignoring dependency for device, assuming no driver\n");
+ return -ENODEV;
+ }
+
+ if (!driver_deferred_probe_timeout && initcalls_done) {
+ dev_warn(dev, "deferred probe timeout, ignoring dependency\n");
+ return -ETIMEDOUT;
+ }
+
+ return -EPROBE_DEFER;
+}
+EXPORT_SYMBOL_GPL(driver_deferred_probe_check_state);
+
static void deferred_probe_timeout_work_func(struct work_struct *work)
{
struct device_private *p;
fw_devlink_drivers_done();
+ driver_deferred_probe_timeout = 0;
driver_deferred_probe_trigger();
flush_work(&deferred_probe_work);
@@ -806,7 +836,7 @@ static int __init save_async_options(char *buf)
if (strlen(buf) >= ASYNC_DRV_NAMES_MAX_LEN)
pr_warn("Too long list of driver names for 'driver_async_probe'!\n");
- strlcpy(async_probe_drv_names, buf, ASYNC_DRV_NAMES_MAX_LEN);
+ strscpy(async_probe_drv_names, buf, ASYNC_DRV_NAMES_MAX_LEN);
async_probe_default = parse_option_str(async_probe_drv_names, "*");
return 1;
@@ -881,6 +911,11 @@ static int __device_attach_driver(struct device_driver *drv, void *_data)
dev_dbg(dev, "Device match requests probe deferral\n");
dev->can_match = true;
driver_deferred_probe_add(dev);
+ /*
+ * Device can't match with a driver right now, so don't attempt
+ * to match or bind with other drivers on the bus.
+ */
+ return ret;
} else if (ret < 0) {
dev_dbg(dev, "Bus failed to match device: %d\n", ret);
return ret;
@@ -1120,6 +1155,11 @@ static int __driver_attach(struct device *dev, void *data)
dev_dbg(dev, "Device match requests probe deferral\n");
dev->can_match = true;
driver_deferred_probe_add(dev);
+ /*
+ * Driver could not match with device, but may match with
+ * another device on the bus.
+ */
+ return 0;
} else if (ret < 0) {
dev_dbg(dev, "Bus failed to match device: %d\n", ret);
return ret;
diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index f4d794d6bb85..1c06781f7114 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -25,6 +25,47 @@ struct devcd_entry {
struct device devcd_dev;
void *data;
size_t datalen;
+ /*
+ * Here, mutex is required to serialize the calls to del_wk work between
+ * user/kernel space which happens when devcd is added with device_add()
+ * and that sends uevent to user space. User space reads the uevents,
+ * and calls to devcd_data_write() which try to modify the work which is
+ * not even initialized/queued from devcoredump.
+ *
+ *
+ *
+ * cpu0(X) cpu1(Y)
+ *
+ * dev_coredump() uevent sent to user space
+ * device_add() ======================> user space process Y reads the
+ * uevents writes to devcd fd
+ * which results into writes to
+ *
+ * devcd_data_write()
+ * mod_delayed_work()
+ * try_to_grab_pending()
+ * del_timer()
+ * debug_assert_init()
+ * INIT_DELAYED_WORK()
+ * schedule_delayed_work()
+ *
+ *
+ * Also, mutex alone would not be enough to avoid scheduling of
+ * del_wk work after it get flush from a call to devcd_free()
+ * mentioned as below.
+ *
+ * disabled_store()
+ * devcd_free()
+ * mutex_lock() devcd_data_write()
+ * flush_delayed_work()
+ * mutex_unlock()
+ * mutex_lock()
+ * mod_delayed_work()
+ * mutex_unlock()
+ * So, delete_work flag is required.
+ */
+ struct mutex mutex;
+ bool delete_work;
struct module *owner;
ssize_t (*read)(char *buffer, loff_t offset, size_t count,
void *data, size_t datalen);
@@ -84,7 +125,12 @@ static ssize_t devcd_data_write(struct file *filp, struct kobject *kobj,
struct device *dev = kobj_to_dev(kobj);
struct devcd_entry *devcd = dev_to_devcd(dev);
- mod_delayed_work(system_wq, &devcd->del_wk, 0);
+ mutex_lock(&devcd->mutex);
+ if (!devcd->delete_work) {
+ devcd->delete_work = true;
+ mod_delayed_work(system_wq, &devcd->del_wk, 0);
+ }
+ mutex_unlock(&devcd->mutex);
return count;
}
@@ -112,7 +158,12 @@ static int devcd_free(struct device *dev, void *data)
{
struct devcd_entry *devcd = dev_to_devcd(dev);
+ mutex_lock(&devcd->mutex);
+ if (!devcd->delete_work)
+ devcd->delete_work = true;
+
flush_delayed_work(&devcd->del_wk);
+ mutex_unlock(&devcd->mutex);
return 0;
}
@@ -122,6 +173,30 @@ static ssize_t disabled_show(struct class *class, struct class_attribute *attr,
return sysfs_emit(buf, "%d\n", devcd_disabled);
}
+/*
+ *
+ * disabled_store() worker()
+ * class_for_each_device(&devcd_class,
+ * NULL, NULL, devcd_free)
+ * ...
+ * ...
+ * while ((dev = class_dev_iter_next(&iter))
+ * devcd_del()
+ * device_del()
+ * put_device() <- last reference
+ * error = fn(dev, data) devcd_dev_release()
+ * devcd_free(dev, data) kfree(devcd)
+ * mutex_lock(&devcd->mutex);
+ *
+ *
+ * In the above diagram, It looks like disabled_store() would be racing with parallely
+ * running devcd_del() and result in memory abort while acquiring devcd->mutex which
+ * is called after kfree of devcd memory after dropping its last reference with
+ * put_device(). However, this will not happens as fn(dev, data) runs
+ * with its own reference to device via klist_node so it is not its last reference.
+ * so, above situation would not occur.
+ */
+
static ssize_t disabled_store(struct class *class, struct class_attribute *attr,
const char *buf, size_t count)
{
@@ -278,13 +353,16 @@ void dev_coredumpm(struct device *dev, struct module *owner,
devcd->read = read;
devcd->free = free;
devcd->failing_dev = get_device(dev);
+ devcd->delete_work = false;
+ mutex_init(&devcd->mutex);
device_initialize(&devcd->devcd_dev);
dev_set_name(&devcd->devcd_dev, "devcd%d",
atomic_inc_return(&devcd_count));
devcd->devcd_dev.class = &devcd_class;
+ mutex_lock(&devcd->mutex);
if (device_add(&devcd->devcd_dev))
goto put_device;
@@ -301,10 +379,11 @@ void dev_coredumpm(struct device *dev, struct module *owner,
INIT_DELAYED_WORK(&devcd->del_wk, devcd_del);
schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT);
-
+ mutex_unlock(&devcd->mutex);
return;
put_device:
put_device(&devcd->devcd_dev);
+ mutex_unlock(&devcd->mutex);
put_module:
module_put(owner);
free:
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 864d0b3f566e..4ab2b50ee38f 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -117,7 +117,9 @@ static __always_inline struct devres * alloc_dr(dr_release_t release,
if (unlikely(!dr))
return NULL;
- memset(dr, 0, offsetof(struct devres, data));
+ /* No need to clear memory twice */
+ if (!(gfp & __GFP_ZERO))
+ memset(dr, 0, offsetof(struct devres, data));
INIT_LIST_HEAD(&dr->node.entry);
dr->node.release = release;
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 15a75afe6b84..676b6275d5b5 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -63,6 +63,12 @@ int driver_set_override(struct device *dev, const char **override,
if (len >= (PAGE_SIZE - 1))
return -EINVAL;
+ /*
+ * Compute the real length of the string in case userspace sends us a
+ * bunch of \0 characters like python likes to do.
+ */
+ len = strlen(s);
+
if (!len) {
/* Empty string passed - clear override */
device_lock(dev);
diff --git a/drivers/base/firmware_loader/sysfs.c b/drivers/base/firmware_loader/sysfs.c
index 77bad32c481a..5b66b3d1fa16 100644
--- a/drivers/base/firmware_loader/sysfs.c
+++ b/drivers/base/firmware_loader/sysfs.c
@@ -93,10 +93,9 @@ static void fw_dev_release(struct device *dev)
{
struct fw_sysfs *fw_sysfs = to_fw_sysfs(dev);
- if (fw_sysfs->fw_upload_priv) {
- free_fw_priv(fw_sysfs->fw_priv);
- kfree(fw_sysfs->fw_upload_priv);
- }
+ if (fw_sysfs->fw_upload_priv)
+ fw_upload_free(fw_sysfs);
+
kfree(fw_sysfs);
}
diff --git a/drivers/base/firmware_loader/sysfs.h b/drivers/base/firmware_loader/sysfs.h
index 5d8ff1675c79..df1d5add698f 100644
--- a/drivers/base/firmware_loader/sysfs.h
+++ b/drivers/base/firmware_loader/sysfs.h
@@ -106,12 +106,17 @@ extern struct device_attribute dev_attr_cancel;
extern struct device_attribute dev_attr_remaining_size;
int fw_upload_start(struct fw_sysfs *fw_sysfs);
+void fw_upload_free(struct fw_sysfs *fw_sysfs);
umode_t fw_upload_is_visible(struct kobject *kobj, struct attribute *attr, int n);
#else
static inline int fw_upload_start(struct fw_sysfs *fw_sysfs)
{
return 0;
}
+
+static inline void fw_upload_free(struct fw_sysfs *fw_sysfs)
+{
+}
#endif
#endif /* __FIRMWARE_SYSFS_H */
diff --git a/drivers/base/firmware_loader/sysfs_upload.c b/drivers/base/firmware_loader/sysfs_upload.c
index 87044d52322a..a0af8f5f13d8 100644
--- a/drivers/base/firmware_loader/sysfs_upload.c
+++ b/drivers/base/firmware_loader/sysfs_upload.c
@@ -264,6 +264,15 @@ int fw_upload_start(struct fw_sysfs *fw_sysfs)
return 0;
}
+void fw_upload_free(struct fw_sysfs *fw_sysfs)
+{
+ struct fw_upload_priv *fw_upload_priv = fw_sysfs->fw_upload_priv;
+
+ free_fw_priv(fw_sysfs->fw_priv);
+ kfree(fw_upload_priv->fw_upload);
+ kfree(fw_upload_priv);
+}
+
/**
* firmware_upload_register() - register for the firmware upload sysfs API
* @module: kernel module of this device
@@ -377,6 +386,7 @@ void firmware_upload_unregister(struct fw_upload *fw_upload)
{
struct fw_sysfs *fw_sysfs = fw_upload->priv;
struct fw_upload_priv *fw_upload_priv = fw_sysfs->fw_upload_priv;
+ struct module *module = fw_upload_priv->module;
mutex_lock(&fw_upload_priv->lock);
if (fw_upload_priv->progress == FW_UPLOAD_PROG_IDLE) {
@@ -392,6 +402,6 @@ void firmware_upload_unregister(struct fw_upload *fw_upload)
unregister:
device_unregister(&fw_sysfs->dev);
- module_put(fw_upload_priv->module);
+ module_put(module);
}
EXPORT_SYMBOL_GPL(firmware_upload_unregister);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 80b1e91b9608..faf3597a96da 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -434,6 +434,7 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d ShadowCallStack:%8lu kB\n"
#endif
"Node %d PageTables: %8lu kB\n"
+ "Node %d SecPageTables: %8lu kB\n"
"Node %d NFS_Unstable: %8lu kB\n"
"Node %d Bounce: %8lu kB\n"
"Node %d WritebackTmp: %8lu kB\n"
@@ -460,6 +461,7 @@ static ssize_t node_read_meminfo(struct device *dev,
nid, node_page_state(pgdat, NR_KERNEL_SCS_KB),
#endif
nid, K(node_page_state(pgdat, NR_PAGETABLE)),
+ nid, K(node_page_state(pgdat, NR_SECONDARY_PAGETABLE)),
nid, 0UL,
nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)),
nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 5a2e0232862e..ead135c7044c 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2085,8 +2085,10 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
/* Always-on domains must be powered on at initialization. */
if ((genpd_is_always_on(genpd) || genpd_is_rpm_always_on(genpd)) &&
- !genpd_status_on(genpd))
+ !genpd_status_on(genpd)) {
+ pr_err("always-on PM domain %s is not on\n", genpd->name);
return -EINVAL;
+ }
/* Multiple states but no governor doesn't make sense. */
if (!gov && genpd->state_count > 1)
@@ -2733,7 +2735,7 @@ static int __genpd_dev_pm_attach(struct device *dev, struct device *base_dev,
mutex_unlock(&gpd_list_lock);
dev_dbg(dev, "%s() failed to find PM domain: %ld\n",
__func__, PTR_ERR(pd));
- return -ENODEV;
+ return driver_deferred_probe_check_state(base_dev);
}
dev_dbg(dev, "adding to PM domain %s\n", pd->name);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 997be3ac20a7..b52049098d4e 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -792,10 +792,13 @@ static int rpm_resume(struct device *dev, int rpmflags)
DEFINE_WAIT(wait);
if (rpmflags & (RPM_ASYNC | RPM_NOWAIT)) {
- if (dev->power.runtime_status == RPM_SUSPENDING)
+ if (dev->power.runtime_status == RPM_SUSPENDING) {
dev->power.deferred_resume = true;
- else
+ if (rpmflags & RPM_NOWAIT)
+ retval = -EINPROGRESS;
+ } else {
retval = -EINPROGRESS;
+ }
goto out;
}
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index e3befa2c1b66..7cc0c0cf8eaa 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -944,6 +944,8 @@ void pm_system_irq_wakeup(unsigned int irq_number)
else
irq_number = 0;
+ pm_pr_dbg("Triggering wakeup from IRQ %d\n", irq_number);
+
raw_spin_unlock_irqrestore(&wakeup_irq_lock, flags);
if (irq_number)
diff --git a/drivers/base/property.c b/drivers/base/property.c
index ed6f449f8e5c..4d6278a84868 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -17,7 +17,7 @@
#include <linux/property.h>
#include <linux/phy.h>
-struct fwnode_handle *dev_fwnode(struct device *dev)
+struct fwnode_handle *dev_fwnode(const struct device *dev)
{
return IS_ENABLED(CONFIG_OF) && dev->of_node ?
of_fwnode_handle(dev->of_node) : dev->fwnode;
@@ -1200,7 +1200,7 @@ int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
}
EXPORT_SYMBOL(fwnode_graph_parse_endpoint);
-const void *device_get_match_data(struct device *dev)
+const void *device_get_match_data(const struct device *dev)
{
return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev);
}
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 71f16be7e717..3ccdd86a97e7 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -10,13 +10,14 @@
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/slab.h>
+#include <linux/swab.h>
#include "internal.h"
struct regmap_mmio_context {
void __iomem *regs;
unsigned int val_bytes;
- bool relaxed_mmio;
+ bool big_endian;
bool attached_clk;
struct clk *clk;
@@ -33,9 +34,6 @@ static int regmap_mmio_regbits_check(size_t reg_bits)
case 8:
case 16:
case 32:
-#ifdef CONFIG_64BIT
- case 64:
-#endif
return 0;
default:
return -EINVAL;
@@ -50,18 +48,13 @@ static int regmap_mmio_get_min_stride(size_t val_bits)
case 8:
/* The core treats 0 as 1 */
min_stride = 0;
- return 0;
+ break;
case 16:
min_stride = 2;
break;
case 32:
min_stride = 4;
break;
-#ifdef CONFIG_64BIT
- case 64:
- min_stride = 8;
- break;
-#endif
default:
return -EINVAL;
}
@@ -83,6 +76,12 @@ static void regmap_mmio_write8_relaxed(struct regmap_mmio_context *ctx,
writeb_relaxed(val, ctx->regs + reg);
}
+static void regmap_mmio_iowrite8(struct regmap_mmio_context *ctx,
+ unsigned int reg, unsigned int val)
+{
+ iowrite8(val, ctx->regs + reg);
+}
+
static void regmap_mmio_write16le(struct regmap_mmio_context *ctx,
unsigned int reg,
unsigned int val)
@@ -97,10 +96,22 @@ static void regmap_mmio_write16le_relaxed(struct regmap_mmio_context *ctx,
writew_relaxed(val, ctx->regs + reg);
}
+static void regmap_mmio_iowrite16le(struct regmap_mmio_context *ctx,
+ unsigned int reg, unsigned int val)
+{
+ iowrite16(val, ctx->regs + reg);
+}
+
static void regmap_mmio_write16be(struct regmap_mmio_context *ctx,
unsigned int reg,
unsigned int val)
{
+ writew(swab16(val), ctx->regs + reg);
+}
+
+static void regmap_mmio_iowrite16be(struct regmap_mmio_context *ctx,
+ unsigned int reg, unsigned int val)
+{
iowrite16be(val, ctx->regs + reg);
}
@@ -118,28 +129,24 @@ static void regmap_mmio_write32le_relaxed(struct regmap_mmio_context *ctx,
writel_relaxed(val, ctx->regs + reg);
}
-static void regmap_mmio_write32be(struct regmap_mmio_context *ctx,
- unsigned int reg,
- unsigned int val)
+static void regmap_mmio_iowrite32le(struct regmap_mmio_context *ctx,
+ unsigned int reg, unsigned int val)
{
- iowrite32be(val, ctx->regs + reg);
+ iowrite32(val, ctx->regs + reg);
}
-#ifdef CONFIG_64BIT
-static void regmap_mmio_write64le(struct regmap_mmio_context *ctx,
+static void regmap_mmio_write32be(struct regmap_mmio_context *ctx,
unsigned int reg,
unsigned int val)
{
- writeq(val, ctx->regs + reg);
+ writel(swab32(val), ctx->regs + reg);
}
-static void regmap_mmio_write64le_relaxed(struct regmap_mmio_context *ctx,
- unsigned int reg,
- unsigned int val)
+static void regmap_mmio_iowrite32be(struct regmap_mmio_context *ctx,
+ unsigned int reg, unsigned int val)
{
- writeq_relaxed(val, ctx->regs + reg);
+ iowrite32be(val, ctx->regs + reg);
}
-#endif
static int regmap_mmio_write(void *context, unsigned int reg, unsigned int val)
{
@@ -160,6 +167,83 @@ static int regmap_mmio_write(void *context, unsigned int reg, unsigned int val)
return 0;
}
+static int regmap_mmio_noinc_write(void *context, unsigned int reg,
+ const void *val, size_t val_count)
+{
+ struct regmap_mmio_context *ctx = context;
+ int ret = 0;
+ int i;
+
+ if (!IS_ERR(ctx->clk)) {
+ ret = clk_enable(ctx->clk);
+ if (ret < 0)
+ return ret;
+ }
+
+ /*
+ * There are no native, assembly-optimized write single register
+ * operations for big endian, so fall back to emulation if this
+ * is needed. (Single bytes are fine, they are not affected by
+ * endianness.)
+ */
+ if (ctx->big_endian && (ctx->val_bytes > 1)) {
+ switch (ctx->val_bytes) {
+ case 2:
+ {
+ const u16 *valp = (const u16 *)val;
+ for (i = 0; i < val_count; i++)
+ writew(swab16(valp[i]), ctx->regs + reg);
+ goto out_clk;
+ }
+ case 4:
+ {
+ const u32 *valp = (const u32 *)val;
+ for (i = 0; i < val_count; i++)
+ writel(swab32(valp[i]), ctx->regs + reg);
+ goto out_clk;
+ }
+#ifdef CONFIG_64BIT
+ case 8:
+ {
+ const u64 *valp = (const u64 *)val;
+ for (i = 0; i < val_count; i++)
+ writeq(swab64(valp[i]), ctx->regs + reg);
+ goto out_clk;
+ }
+#endif
+ default:
+ ret = -EINVAL;
+ goto out_clk;
+ }
+ }
+
+ switch (ctx->val_bytes) {
+ case 1:
+ writesb(ctx->regs + reg, (const u8 *)val, val_count);
+ break;
+ case 2:
+ writesw(ctx->regs + reg, (const u16 *)val, val_count);
+ break;
+ case 4:
+ writesl(ctx->regs + reg, (const u32 *)val, val_count);
+ break;
+#ifdef CONFIG_64BIT
+ case 8:
+ writesq(ctx->regs + reg, (const u64 *)val, val_count);
+ break;
+#endif
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+out_clk:
+ if (!IS_ERR(ctx->clk))
+ clk_disable(ctx->clk);
+
+ return ret;
+}
+
static unsigned int regmap_mmio_read8(struct regmap_mmio_context *ctx,
unsigned int reg)
{
@@ -172,6 +256,12 @@ static unsigned int regmap_mmio_read8_relaxed(struct regmap_mmio_context *ctx,
return readb_relaxed(ctx->regs + reg);
}
+static unsigned int regmap_mmio_ioread8(struct regmap_mmio_context *ctx,
+ unsigned int reg)
+{
+ return ioread8(ctx->regs + reg);
+}
+
static unsigned int regmap_mmio_read16le(struct regmap_mmio_context *ctx,
unsigned int reg)
{
@@ -184,9 +274,21 @@ static unsigned int regmap_mmio_read16le_relaxed(struct regmap_mmio_context *ctx
return readw_relaxed(ctx->regs + reg);
}
+static unsigned int regmap_mmio_ioread16le(struct regmap_mmio_context *ctx,
+ unsigned int reg)
+{
+ return ioread16(ctx->regs + reg);
+}
+
static unsigned int regmap_mmio_read16be(struct regmap_mmio_context *ctx,
unsigned int reg)
{
+ return swab16(readw(ctx->regs + reg));
+}
+
+static unsigned int regmap_mmio_ioread16be(struct regmap_mmio_context *ctx,
+ unsigned int reg)
+{
return ioread16be(ctx->regs + reg);
}
@@ -202,25 +304,23 @@ static unsigned int regmap_mmio_read32le_relaxed(struct regmap_mmio_context *ctx
return readl_relaxed(ctx->regs + reg);
}
-static unsigned int regmap_mmio_read32be(struct regmap_mmio_context *ctx,
- unsigned int reg)
+static unsigned int regmap_mmio_ioread32le(struct regmap_mmio_context *ctx,
+ unsigned int reg)
{
- return ioread32be(ctx->regs + reg);
+ return ioread32(ctx->regs + reg);
}
-#ifdef CONFIG_64BIT
-static unsigned int regmap_mmio_read64le(struct regmap_mmio_context *ctx,
+static unsigned int regmap_mmio_read32be(struct regmap_mmio_context *ctx,
unsigned int reg)
{
- return readq(ctx->regs + reg);
+ return swab32(readl(ctx->regs + reg));
}
-static unsigned int regmap_mmio_read64le_relaxed(struct regmap_mmio_context *ctx,
- unsigned int reg)
+static unsigned int regmap_mmio_ioread32be(struct regmap_mmio_context *ctx,
+ unsigned int reg)
{
- return readq_relaxed(ctx->regs + reg);
+ return ioread32be(ctx->regs + reg);
}
-#endif
static int regmap_mmio_read(void *context, unsigned int reg, unsigned int *val)
{
@@ -241,6 +341,71 @@ static int regmap_mmio_read(void *context, unsigned int reg, unsigned int *val)
return 0;
}
+static int regmap_mmio_noinc_read(void *context, unsigned int reg,
+ void *val, size_t val_count)
+{
+ struct regmap_mmio_context *ctx = context;
+ int ret = 0;
+
+ if (!IS_ERR(ctx->clk)) {
+ ret = clk_enable(ctx->clk);
+ if (ret < 0)
+ return ret;
+ }
+
+ switch (ctx->val_bytes) {
+ case 1:
+ readsb(ctx->regs + reg, (u8 *)val, val_count);
+ break;
+ case 2:
+ readsw(ctx->regs + reg, (u16 *)val, val_count);
+ break;
+ case 4:
+ readsl(ctx->regs + reg, (u32 *)val, val_count);
+ break;
+#ifdef CONFIG_64BIT
+ case 8:
+ readsq(ctx->regs + reg, (u64 *)val, val_count);
+ break;
+#endif
+ default:
+ ret = -EINVAL;
+ goto out_clk;
+ }
+
+ /*
+ * There are no native, assembly-optimized write single register
+ * operations for big endian, so fall back to emulation if this
+ * is needed. (Single bytes are fine, they are not affected by
+ * endianness.)
+ */
+ if (ctx->big_endian && (ctx->val_bytes > 1)) {
+ switch (ctx->val_bytes) {
+ case 2:
+ swab16_array(val, val_count);
+ break;
+ case 4:
+ swab32_array(val, val_count);
+ break;
+#ifdef CONFIG_64BIT
+ case 8:
+ swab64_array(val, val_count);
+ break;
+#endif
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ }
+
+out_clk:
+ if (!IS_ERR(ctx->clk))
+ clk_disable(ctx->clk);
+
+ return ret;
+}
+
+
static void regmap_mmio_free_context(void *context)
{
struct regmap_mmio_context *ctx = context;
@@ -257,6 +422,8 @@ static const struct regmap_bus regmap_mmio = {
.fast_io = true,
.reg_write = regmap_mmio_write,
.reg_read = regmap_mmio_read,
+ .reg_noinc_write = regmap_mmio_noinc_write,
+ .reg_noinc_read = regmap_mmio_noinc_read,
.free_context = regmap_mmio_free_context,
.val_format_endian_default = REGMAP_ENDIAN_LITTLE,
};
@@ -284,13 +451,15 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
if (config->reg_stride < min_stride)
return ERR_PTR(-EINVAL);
+ if (config->use_relaxed_mmio && config->io_port)
+ return ERR_PTR(-EINVAL);
+
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return ERR_PTR(-ENOMEM);
ctx->regs = regs;
ctx->val_bytes = config->val_bits / 8;
- ctx->relaxed_mmio = config->use_relaxed_mmio;
ctx->clk = ERR_PTR(-ENODEV);
switch (regmap_get_val_endian(dev, &regmap_mmio, config)) {
@@ -301,7 +470,10 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
#endif
switch (config->val_bits) {
case 8:
- if (ctx->relaxed_mmio) {
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread8;
+ ctx->reg_write = regmap_mmio_iowrite8;
+ } else if (config->use_relaxed_mmio) {
ctx->reg_read = regmap_mmio_read8_relaxed;
ctx->reg_write = regmap_mmio_write8_relaxed;
} else {
@@ -310,7 +482,10 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
}
break;
case 16:
- if (ctx->relaxed_mmio) {
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread16le;
+ ctx->reg_write = regmap_mmio_iowrite16le;
+ } else if (config->use_relaxed_mmio) {
ctx->reg_read = regmap_mmio_read16le_relaxed;
ctx->reg_write = regmap_mmio_write16le_relaxed;
} else {
@@ -319,7 +494,10 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
}
break;
case 32:
- if (ctx->relaxed_mmio) {
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread32le;
+ ctx->reg_write = regmap_mmio_iowrite32le;
+ } else if (config->use_relaxed_mmio) {
ctx->reg_read = regmap_mmio_read32le_relaxed;
ctx->reg_write = regmap_mmio_write32le_relaxed;
} else {
@@ -327,17 +505,6 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
ctx->reg_write = regmap_mmio_write32le;
}
break;
-#ifdef CONFIG_64BIT
- case 64:
- if (ctx->relaxed_mmio) {
- ctx->reg_read = regmap_mmio_read64le_relaxed;
- ctx->reg_write = regmap_mmio_write64le_relaxed;
- } else {
- ctx->reg_read = regmap_mmio_read64le;
- ctx->reg_write = regmap_mmio_write64le;
- }
- break;
-#endif
default:
ret = -EINVAL;
goto err_free;
@@ -347,18 +514,34 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
#ifdef __BIG_ENDIAN
case REGMAP_ENDIAN_NATIVE:
#endif
+ ctx->big_endian = true;
switch (config->val_bits) {
case 8:
- ctx->reg_read = regmap_mmio_read8;
- ctx->reg_write = regmap_mmio_write8;
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread8;
+ ctx->reg_write = regmap_mmio_iowrite8;
+ } else {
+ ctx->reg_read = regmap_mmio_read8;
+ ctx->reg_write = regmap_mmio_write8;
+ }
break;
case 16:
- ctx->reg_read = regmap_mmio_read16be;
- ctx->reg_write = regmap_mmio_write16be;
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread16be;
+ ctx->reg_write = regmap_mmio_iowrite16be;
+ } else {
+ ctx->reg_read = regmap_mmio_read16be;
+ ctx->reg_write = regmap_mmio_write16be;
+ }
break;
case 32:
- ctx->reg_read = regmap_mmio_read32be;
- ctx->reg_write = regmap_mmio_write32be;
+ if (config->io_port) {
+ ctx->reg_read = regmap_mmio_ioread32be;
+ ctx->reg_write = regmap_mmio_iowrite32be;
+ } else {
+ ctx->reg_read = regmap_mmio_read32be;
+ ctx->reg_write = regmap_mmio_write32be;
+ }
break;
default:
ret = -EINVAL;
diff --git a/drivers/base/regmap/regmap-spi-avmm.c b/drivers/base/regmap/regmap-spi-avmm.c
index ad1da83e849f..4c2b94b3e30b 100644
--- a/drivers/base/regmap/regmap-spi-avmm.c
+++ b/drivers/base/regmap/regmap-spi-avmm.c
@@ -7,6 +7,7 @@
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
+#include <linux/swab.h>
/*
* This driver implements the regmap operations for a generic SPI
@@ -162,19 +163,12 @@ struct spi_avmm_bridge {
/* bridge buffer used in translation between protocol layers */
char trans_buf[TRANS_BUF_SIZE];
char phy_buf[PHY_BUF_SIZE];
- void (*swap_words)(char *buf, unsigned int len);
+ void (*swap_words)(void *buf, unsigned int len);
};
-static void br_swap_words_32(char *buf, unsigned int len)
+static void br_swap_words_32(void *buf, unsigned int len)
{
- u32 *p = (u32 *)buf;
- unsigned int count;
-
- count = len / 4;
- while (count--) {
- *p = swab32p(p);
- p++;
- }
+ swab32_array(buf, len / 4);
}
/*
diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index 719323bc6c7f..37ab23a9d034 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -113,6 +113,7 @@ static const struct regmap_bus *regmap_get_spi_bus(struct spi_device *spi,
const struct regmap_config *config)
{
size_t max_size = spi_max_transfer_size(spi);
+ size_t max_msg_size, reg_reserve_size;
struct regmap_bus *bus;
if (max_size != SIZE_MAX) {
@@ -120,9 +121,16 @@ static const struct regmap_bus *regmap_get_spi_bus(struct spi_device *spi,
if (!bus)
return ERR_PTR(-ENOMEM);
+ max_msg_size = spi_max_message_size(spi);
+ reg_reserve_size = config->reg_bits / BITS_PER_BYTE
+ + config->pad_bits / BITS_PER_BYTE;
+ if (max_size + reg_reserve_size > max_msg_size)
+ max_size -= reg_reserve_size;
+
bus->free_on_exit = true;
bus->max_raw_read = max_size;
bus->max_raw_write = max_size;
+
return bus;
}
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index fee221c5008c..c6d6d53e8cd3 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -288,15 +288,9 @@ static void regmap_format_16_native(void *buf, unsigned int val,
memcpy(buf, &v, sizeof(v));
}
-static void regmap_format_24(void *buf, unsigned int val, unsigned int shift)
+static void regmap_format_24_be(void *buf, unsigned int val, unsigned int shift)
{
- u8 *b = buf;
-
- val <<= shift;
-
- b[0] = val >> 16;
- b[1] = val >> 8;
- b[2] = val;
+ put_unaligned_be24(val << shift, buf);
}
static void regmap_format_32_be(void *buf, unsigned int val, unsigned int shift)
@@ -380,14 +374,9 @@ static unsigned int regmap_parse_16_native(const void *buf)
return v;
}
-static unsigned int regmap_parse_24(const void *buf)
+static unsigned int regmap_parse_24_be(const void *buf)
{
- const u8 *b = buf;
- unsigned int ret = b[2];
- ret |= ((unsigned int)b[1]) << 8;
- ret |= ((unsigned int)b[0]) << 16;
-
- return ret;
+ return get_unaligned_be24(buf);
}
static unsigned int regmap_parse_32_be(const void *buf)
@@ -991,9 +980,13 @@ struct regmap *__regmap_init(struct device *dev,
break;
case 24:
- if (reg_endian != REGMAP_ENDIAN_BIG)
+ switch (reg_endian) {
+ case REGMAP_ENDIAN_BIG:
+ map->format.format_reg = regmap_format_24_be;
+ break;
+ default:
goto err_hwlock;
- map->format.format_reg = regmap_format_24;
+ }
break;
case 32:
@@ -1064,10 +1057,14 @@ struct regmap *__regmap_init(struct device *dev,
}
break;
case 24:
- if (val_endian != REGMAP_ENDIAN_BIG)
+ switch (val_endian) {
+ case REGMAP_ENDIAN_BIG:
+ map->format.format_val = regmap_format_24_be;
+ map->format.parse_val = regmap_parse_24_be;
+ break;
+ default:
goto err_hwlock;
- map->format.format_val = regmap_format_24;
- map->format.parse_val = regmap_parse_24;
+ }
break;
case 32:
switch (val_endian) {
@@ -2132,6 +2129,99 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
}
EXPORT_SYMBOL_GPL(regmap_raw_write);
+static int regmap_noinc_readwrite(struct regmap *map, unsigned int reg,
+ void *val, unsigned int val_len, bool write)
+{
+ size_t val_bytes = map->format.val_bytes;
+ size_t val_count = val_len / val_bytes;
+ unsigned int lastval;
+ u8 *u8p;
+ u16 *u16p;
+ u32 *u32p;
+#ifdef CONFIG_64BIT
+ u64 *u64p;
+#endif
+ int ret;
+ int i;
+
+ switch (val_bytes) {
+ case 1:
+ u8p = val;
+ if (write)
+ lastval = (unsigned int)u8p[val_count - 1];
+ break;
+ case 2:
+ u16p = val;
+ if (write)
+ lastval = (unsigned int)u16p[val_count - 1];
+ break;
+ case 4:
+ u32p = val;
+ if (write)
+ lastval = (unsigned int)u32p[val_count - 1];
+ break;
+#ifdef CONFIG_64BIT
+ case 8:
+ u64p = val;
+ if (write)
+ lastval = (unsigned int)u64p[val_count - 1];
+ break;
+#endif
+ default:
+ return -EINVAL;
+ }
+
+ /*
+ * Update the cache with the last value we write, the rest is just
+ * gone down in the hardware FIFO. We can't cache FIFOs. This makes
+ * sure a single read from the cache will work.
+ */
+ if (write) {
+ if (!map->cache_bypass && !map->defer_caching) {
+ ret = regcache_write(map, reg, lastval);
+ if (ret != 0)
+ return ret;
+ if (map->cache_only) {
+ map->cache_dirty = true;
+ return 0;
+ }
+ }
+ ret = map->bus->reg_noinc_write(map->bus_context, reg, val, val_count);
+ } else {
+ ret = map->bus->reg_noinc_read(map->bus_context, reg, val, val_count);
+ }
+
+ if (!ret && regmap_should_log(map)) {
+ dev_info(map->dev, "%x %s [", reg, write ? "<=" : "=>");
+ for (i = 0; i < val_count; i++) {
+ switch (val_bytes) {
+ case 1:
+ pr_cont("%x", u8p[i]);
+ break;
+ case 2:
+ pr_cont("%x", u16p[i]);
+ break;
+ case 4:
+ pr_cont("%x", u32p[i]);
+ break;
+#ifdef CONFIG_64BIT
+ case 8:
+ pr_cont("%llx", u64p[i]);
+ break;
+#endif
+ default:
+ break;
+ }
+ if (i == (val_count - 1))
+ pr_cont("]\n");
+ else
+ pr_cont(",");
+ }
+ }
+
+ return 0;
+}
+
/**
* regmap_noinc_write(): Write data from a register without incrementing the
* register number
@@ -2159,9 +2249,8 @@ int regmap_noinc_write(struct regmap *map, unsigned int reg,
size_t write_len;
int ret;
- if (!map->write)
- return -ENOTSUPP;
-
+ if (!map->write && !(map->bus && map->bus->reg_noinc_write))
+ return -EINVAL;
if (val_len % map->format.val_bytes)
return -EINVAL;
if (!IS_ALIGNED(reg, map->reg_stride))
@@ -2176,6 +2265,15 @@ int regmap_noinc_write(struct regmap *map, unsigned int reg,
goto out_unlock;
}
+ /*
+ * Use the accelerated operation if we can. The val drops the const
+ * typing in order to facilitate code reuse in regmap_noinc_readwrite().
+ */
+ if (map->bus->reg_noinc_write) {
+ ret = regmap_noinc_readwrite(map, reg, (void *)val, val_len, true);
+ goto out_unlock;
+ }
+
while (val_len) {
if (map->max_raw_write && map->max_raw_write < val_len)
write_len = map->max_raw_write;
@@ -2350,6 +2448,10 @@ out:
kfree(wval);
}
+
+ if (!ret)
+ trace_regmap_bulk_write(map, reg, val, val_bytes * val_count);
+
return ret;
}
EXPORT_SYMBOL_GPL(regmap_bulk_write);
@@ -2946,6 +3048,22 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg,
goto out_unlock;
}
+ /* Use the accelerated operation if we can */
+ if (map->bus->reg_noinc_read) {
+ /*
+ * We have not defined the FIFO semantics for cache, as the
+ * cache is just one value deep. Should we return the last
+ * written value? Just avoid this by always reading the FIFO
+ * even when using cache. Cache only will not work.
+ */
+ if (map->cache_only) {
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ ret = regmap_noinc_readwrite(map, reg, val, val_len, false);
+ goto out_unlock;
+ }
+
while (val_len) {
if (map->max_raw_read && map->max_raw_read < val_len)
read_len = map->max_raw_read;
@@ -3095,6 +3213,9 @@ out:
map->unlock(map->lock_arg);
}
+ if (!ret)
+ trace_regmap_bulk_read(map, reg, val, val_bytes * val_count);
+
return ret;
}
EXPORT_SYMBOL_GPL(regmap_bulk_read);
diff --git a/drivers/base/regmap/trace.h b/drivers/base/regmap/trace.h
index 9abee14df9ee..704e106e5dbd 100644
--- a/drivers/base/regmap/trace.h
+++ b/drivers/base/regmap/trace.h
@@ -32,9 +32,7 @@ DECLARE_EVENT_CLASS(regmap_reg,
__entry->val = val;
),
- TP_printk("%s reg=%x val=%x", __get_str(name),
- (unsigned int)__entry->reg,
- (unsigned int)__entry->val)
+ TP_printk("%s reg=%x val=%x", __get_str(name), __entry->reg, __entry->val)
);
DEFINE_EVENT(regmap_reg, regmap_reg_write,
@@ -43,7 +41,6 @@ DEFINE_EVENT(regmap_reg, regmap_reg_write,
unsigned int val),
TP_ARGS(map, reg, val)
-
);
DEFINE_EVENT(regmap_reg, regmap_reg_read,
@@ -52,7 +49,6 @@ DEFINE_EVENT(regmap_reg, regmap_reg_read,
unsigned int val),
TP_ARGS(map, reg, val)
-
);
DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
@@ -61,7 +57,47 @@ DEFINE_EVENT(regmap_reg, regmap_reg_read_cache,
unsigned int val),
TP_ARGS(map, reg, val)
+);
+
+DECLARE_EVENT_CLASS(regmap_bulk,
+
+ TP_PROTO(struct regmap *map, unsigned int reg,
+ const void *val, int val_len),
+
+ TP_ARGS(map, reg, val, val_len),
+
+ TP_STRUCT__entry(
+ __string(name, regmap_name(map))
+ __field(unsigned int, reg)
+ __dynamic_array(char, buf, val_len)
+ __field(int, val_len)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, regmap_name(map));
+ __entry->reg = reg;
+ __entry->val_len = val_len;
+ memcpy(__get_dynamic_array(buf), val, val_len);
+ ),
+ TP_printk("%s reg=%x val=%s", __get_str(name), __entry->reg,
+ __print_hex(__get_dynamic_array(buf), __entry->val_len))
+);
+
+DEFINE_EVENT(regmap_bulk, regmap_bulk_write,
+
+ TP_PROTO(struct regmap *map, unsigned int reg,
+ const void *val, int val_len),
+
+ TP_ARGS(map, reg, val, val_len)
+);
+
+DEFINE_EVENT(regmap_bulk, regmap_bulk_read,
+
+ TP_PROTO(struct regmap *map, unsigned int reg,
+ const void *val, int val_len),
+
+ TP_ARGS(map, reg, val, val_len)
);
DECLARE_EVENT_CLASS(regmap_block,
@@ -82,9 +118,7 @@ DECLARE_EVENT_CLASS(regmap_block,
__entry->count = count;
),
- TP_printk("%s reg=%x count=%d", __get_str(name),
- (unsigned int)__entry->reg,
- (int)__entry->count)
+ TP_printk("%s reg=%x count=%d", __get_str(name), __entry->reg, __entry->count)
);
DEFINE_EVENT(regmap_block, regmap_hw_read_start,
@@ -154,8 +188,7 @@ DECLARE_EVENT_CLASS(regmap_bool,
__entry->flag = flag;
),
- TP_printk("%s flag=%d", __get_str(name),
- (int)__entry->flag)
+ TP_printk("%s flag=%d", __get_str(name), __entry->flag)
);
DEFINE_EVENT(regmap_bool, regmap_cache_only,
@@ -163,7 +196,6 @@ DEFINE_EVENT(regmap_bool, regmap_cache_only,
TP_PROTO(struct regmap *map, bool flag),
TP_ARGS(map, flag)
-
);
DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
@@ -171,7 +203,6 @@ DEFINE_EVENT(regmap_bool, regmap_cache_bypass,
TP_PROTO(struct regmap *map, bool flag),
TP_ARGS(map, flag)
-
);
DECLARE_EVENT_CLASS(regmap_async,
@@ -203,7 +234,6 @@ DEFINE_EVENT(regmap_async, regmap_async_io_complete,
TP_PROTO(struct regmap *map),
TP_ARGS(map)
-
);
DEFINE_EVENT(regmap_async, regmap_async_complete_start,
@@ -211,7 +241,6 @@ DEFINE_EVENT(regmap_async, regmap_async_complete_start,
TP_PROTO(struct regmap *map),
TP_ARGS(map)
-
);
DEFINE_EVENT(regmap_async, regmap_async_complete_done,
@@ -219,7 +248,6 @@ DEFINE_EVENT(regmap_async, regmap_async_complete_done,
TP_PROTO(struct regmap *map),
TP_ARGS(map)
-
);
TRACE_EVENT(regcache_drop_region,
@@ -241,8 +269,7 @@ TRACE_EVENT(regcache_drop_region,
__entry->to = to;
),
- TP_printk("%s %u-%u", __get_str(name), (unsigned int)__entry->from,
- (unsigned int)__entry->to)
+ TP_printk("%s %u-%u", __get_str(name), __entry->from, __entry->to)
);
#endif /* _TRACE_REGMAP_H */
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-08 03:08:57 +0000