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-rw-r--r--drivers/base/firmware_class.c16
-rw-r--r--drivers/base/power/domain.c13
-rw-r--r--drivers/base/power/wakeirq.c12
-rw-r--r--drivers/base/power/wakeup.c31
-rw-r--r--drivers/base/regmap/internal.h2
-rw-r--r--drivers/base/regmap/regcache-rbtree.c19
-rw-r--r--drivers/base/regmap/regmap.c22
7 files changed, 65 insertions, 50 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 9c4288362a8e..894bda114224 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -563,10 +563,8 @@ static void fw_dev_release(struct device *dev)
kfree(fw_priv);
}
-static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int do_firmware_uevent(struct firmware_priv *fw_priv, struct kobj_uevent_env *env)
{
- struct firmware_priv *fw_priv = to_firmware_priv(dev);
-
if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->buf->fw_id))
return -ENOMEM;
if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout))
@@ -577,6 +575,18 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
return 0;
}
+static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ struct firmware_priv *fw_priv = to_firmware_priv(dev);
+ int err = 0;
+
+ mutex_lock(&fw_lock);
+ if (fw_priv->buf)
+ err = do_firmware_uevent(fw_priv, env);
+ mutex_unlock(&fw_lock);
+ return err;
+}
+
static struct class firmware_class = {
.name = "firmware",
.class_attrs = firmware_class_attrs,
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index cdd547bd67df..0ee43c1056e0 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -6,6 +6,7 @@
* This file is released under the GPLv2.
*/
+#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/platform_device.h>
@@ -19,6 +20,8 @@
#include <linux/suspend.h>
#include <linux/export.h>
+#define GENPD_RETRY_MAX_MS 250 /* Approximate */
+
#define GENPD_DEV_CALLBACK(genpd, type, callback, dev) \
({ \
type (*__routine)(struct device *__d); \
@@ -2131,6 +2134,7 @@ EXPORT_SYMBOL_GPL(of_genpd_get_from_provider);
static void genpd_dev_pm_detach(struct device *dev, bool power_off)
{
struct generic_pm_domain *pd;
+ unsigned int i;
int ret = 0;
pd = pm_genpd_lookup_dev(dev);
@@ -2139,10 +2143,12 @@ static void genpd_dev_pm_detach(struct device *dev, bool power_off)
dev_dbg(dev, "removing from PM domain %s\n", pd->name);
- while (1) {
+ for (i = 1; i < GENPD_RETRY_MAX_MS; i <<= 1) {
ret = pm_genpd_remove_device(pd, dev);
if (ret != -EAGAIN)
break;
+
+ mdelay(i);
cond_resched();
}
@@ -2183,6 +2189,7 @@ int genpd_dev_pm_attach(struct device *dev)
{
struct of_phandle_args pd_args;
struct generic_pm_domain *pd;
+ unsigned int i;
int ret;
if (!dev->of_node)
@@ -2218,10 +2225,12 @@ int genpd_dev_pm_attach(struct device *dev)
dev_dbg(dev, "adding to PM domain %s\n", pd->name);
- while (1) {
+ for (i = 1; i < GENPD_RETRY_MAX_MS; i <<= 1) {
ret = pm_genpd_add_device(pd, dev);
if (ret != -EAGAIN)
break;
+
+ mdelay(i);
cond_resched();
}
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index 7470004ca810..eb6e67451dec 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -45,14 +45,12 @@ static int dev_pm_attach_wake_irq(struct device *dev, int irq,
return -EEXIST;
}
- dev->power.wakeirq = wirq;
- spin_unlock_irqrestore(&dev->power.lock, flags);
-
err = device_wakeup_attach_irq(dev, wirq);
- if (err)
- return err;
+ if (!err)
+ dev->power.wakeirq = wirq;
- return 0;
+ spin_unlock_irqrestore(&dev->power.lock, flags);
+ return err;
}
/**
@@ -105,10 +103,10 @@ void dev_pm_clear_wake_irq(struct device *dev)
return;
spin_lock_irqsave(&dev->power.lock, flags);
+ device_wakeup_detach_irq(dev);
dev->power.wakeirq = NULL;
spin_unlock_irqrestore(&dev->power.lock, flags);
- device_wakeup_detach_irq(dev);
if (wirq->dedicated_irq)
free_irq(wirq->irq, wirq);
kfree(wirq);
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 40f71603378c..51f15bc15774 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -281,32 +281,25 @@ EXPORT_SYMBOL_GPL(device_wakeup_enable);
* Attach a device wakeirq to the wakeup source so the device
* wake IRQ can be configured automatically for suspend and
* resume.
+ *
+ * Call under the device's power.lock lock.
*/
int device_wakeup_attach_irq(struct device *dev,
struct wake_irq *wakeirq)
{
struct wakeup_source *ws;
- int ret = 0;
- spin_lock_irq(&dev->power.lock);
ws = dev->power.wakeup;
if (!ws) {
dev_err(dev, "forgot to call call device_init_wakeup?\n");
- ret = -EINVAL;
- goto unlock;
+ return -EINVAL;
}
- if (ws->wakeirq) {
- ret = -EEXIST;
- goto unlock;
- }
+ if (ws->wakeirq)
+ return -EEXIST;
ws->wakeirq = wakeirq;
-
-unlock:
- spin_unlock_irq(&dev->power.lock);
-
- return ret;
+ return 0;
}
/**
@@ -314,20 +307,16 @@ unlock:
* @dev: Device to handle
*
* Removes a device wakeirq from the wakeup source.
+ *
+ * Call under the device's power.lock lock.
*/
void device_wakeup_detach_irq(struct device *dev)
{
struct wakeup_source *ws;
- spin_lock_irq(&dev->power.lock);
ws = dev->power.wakeup;
- if (!ws)
- goto unlock;
-
- ws->wakeirq = NULL;
-
-unlock:
- spin_unlock_irq(&dev->power.lock);
+ if (ws)
+ ws->wakeirq = NULL;
}
/**
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index b2b2849fc6d3..873ddf91c9d3 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -136,7 +136,7 @@ struct regmap {
/* if set, the HW registers are known to match map->reg_defaults */
bool no_sync_defaults;
- struct reg_default *patch;
+ struct reg_sequence *patch;
int patch_regs;
/* if set, converts bulk rw to single rw */
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 81751a49d8bf..56486d92c4e7 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -296,11 +296,20 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
if (!blk)
return -ENOMEM;
- present = krealloc(rbnode->cache_present,
- BITS_TO_LONGS(blklen) * sizeof(*present), GFP_KERNEL);
- if (!present) {
- kfree(blk);
- return -ENOMEM;
+ if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) {
+ present = krealloc(rbnode->cache_present,
+ BITS_TO_LONGS(blklen) * sizeof(*present),
+ GFP_KERNEL);
+ if (!present) {
+ kfree(blk);
+ return -ENOMEM;
+ }
+
+ memset(present + BITS_TO_LONGS(rbnode->blklen), 0,
+ (BITS_TO_LONGS(blklen) - BITS_TO_LONGS(rbnode->blklen))
+ * sizeof(*present));
+ } else {
+ present = rbnode->cache_present;
}
/* insert the register value in the correct place in the rbnode block */
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index dd63bcbbf8a5..0a849eeaf952 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1755,7 +1755,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
* relative. The page register has been written if that was neccessary.
*/
static int _regmap_raw_multi_reg_write(struct regmap *map,
- const struct reg_default *regs,
+ const struct reg_sequence *regs,
size_t num_regs)
{
int ret;
@@ -1812,12 +1812,12 @@ static unsigned int _regmap_register_page(struct regmap *map,
}
static int _regmap_range_multi_paged_reg_write(struct regmap *map,
- struct reg_default *regs,
+ struct reg_sequence *regs,
size_t num_regs)
{
int ret;
int i, n;
- struct reg_default *base;
+ struct reg_sequence *base;
unsigned int this_page = 0;
/*
* the set of registers are not neccessarily in order, but
@@ -1855,7 +1855,7 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
}
static int _regmap_multi_reg_write(struct regmap *map,
- const struct reg_default *regs,
+ const struct reg_sequence *regs,
size_t num_regs)
{
int i;
@@ -1907,8 +1907,8 @@ static int _regmap_multi_reg_write(struct regmap *map,
struct regmap_range_node *range;
range = _regmap_range_lookup(map, reg);
if (range) {
- size_t len = sizeof(struct reg_default)*num_regs;
- struct reg_default *base = kmemdup(regs, len,
+ size_t len = sizeof(struct reg_sequence)*num_regs;
+ struct reg_sequence *base = kmemdup(regs, len,
GFP_KERNEL);
if (!base)
return -ENOMEM;
@@ -1941,7 +1941,7 @@ static int _regmap_multi_reg_write(struct regmap *map,
* A value of zero will be returned on success, a negative errno will be
* returned in error cases.
*/
-int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
int num_regs)
{
int ret;
@@ -1974,7 +1974,7 @@ EXPORT_SYMBOL_GPL(regmap_multi_reg_write);
* be returned in error cases.
*/
int regmap_multi_reg_write_bypassed(struct regmap *map,
- const struct reg_default *regs,
+ const struct reg_sequence *regs,
int num_regs)
{
int ret;
@@ -2587,10 +2587,10 @@ EXPORT_SYMBOL_GPL(regmap_async_complete);
* The caller must ensure that this function cannot be called
* concurrently with either itself or regcache_sync().
*/
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
+int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
int num_regs)
{
- struct reg_default *p;
+ struct reg_sequence *p;
int ret;
bool bypass;
@@ -2599,7 +2599,7 @@ int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
return 0;
p = krealloc(map->patch,
- sizeof(struct reg_default) * (map->patch_regs + num_regs),
+ sizeof(struct reg_sequence) * (map->patch_regs + num_regs),
GFP_KERNEL);
if (p) {
memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs));
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-27 04:32:28 +0000