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Merge remote-tracking branches 'regmap/topic/lockdep' and 'regmap/topic/seq-delay' into regmap-next

ソースを参照
このコミットが含まれているのは:
Mark Brown
2015-09-04 17:22:10 +01:00
親 84fb9015d2 1ed8111443 2de9d6006c
コミット 072502a67c
34個のファイルの変更、515行の追加、307行の削除
Patchファイルをダウンロード Diffファイルをダウンロード すべてのファイルを展開 すべてのファイルを折り畳む

2
drivers/base/regmap/internal.h
ファイルの表示

@@ -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 read to single read */

41
drivers/base/regmap/regmap-ac97.c
ファイルの表示

@@ -78,37 +78,24 @@ static const struct regmap_bus ac97_regmap_bus = {
.reg_read = regmap_ac97_reg_read,
};
/**
* regmap_init_ac97(): Initialise AC'97 register map
*
* @ac97: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config)
struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config);
return __regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_ac97);
EXPORT_SYMBOL_GPL(__regmap_init_ac97);
/**
* devm_regmap_init_ac97(): Initialise AC'97 register map
*
* @ac97: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return devm_regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config);
return __devm_regmap_init(&ac97->dev, &ac97_regmap_bus, ac97, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_ac97);
EXPORT_SYMBOL_GPL(__devm_regmap_init_ac97);
MODULE_LICENSE("GPL v2");

41
drivers/base/regmap/regmap-i2c.c
ファイルの表示

@@ -282,47 +282,34 @@ static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,
return ERR_PTR(-ENOTSUPP);
}
/**
* regmap_init_i2c(): Initialise register map
*
* @i2c: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_i2c(struct i2c_client *i2c,
const struct regmap_config *config)
struct regmap *__regmap_init_i2c(struct i2c_client *i2c,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
const struct regmap_bus *bus = regmap_get_i2c_bus(i2c, config);
if (IS_ERR(bus))
return ERR_CAST(bus);
return regmap_init(&i2c->dev, bus, &i2c->dev, config);
return __regmap_init(&i2c->dev, bus, &i2c->dev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_i2c);
EXPORT_SYMBOL_GPL(__regmap_init_i2c);
/**
* devm_regmap_init_i2c(): Initialise managed register map
*
* @i2c: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
const struct regmap_bus *bus = regmap_get_i2c_bus(i2c, config);
if (IS_ERR(bus))
return ERR_CAST(bus);
return devm_regmap_init(&i2c->dev, bus, &i2c->dev, config);
return __devm_regmap_init(&i2c->dev, bus, &i2c->dev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_i2c);
EXPORT_SYMBOL_GPL(__devm_regmap_init_i2c);
MODULE_LICENSE("GPL");

50
drivers/base/regmap/regmap-mmio.c
ファイルの表示

@@ -296,20 +296,11 @@ err_free:
return ERR_PTR(ret);
}
/**
* regmap_init_mmio_clk(): Initialise register map with register clock
*
* @dev: Device that will be interacted with
* @clk_id: register clock consumer ID
* @regs: Pointer to memory-mapped IO region
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config)
struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
struct regmap_mmio_context *ctx;
@@ -317,25 +308,17 @@ struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id,
if (IS_ERR(ctx))
return ERR_CAST(ctx);
return regmap_init(dev, &regmap_mmio, ctx, config);
return __regmap_init(dev, &regmap_mmio, ctx, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_mmio_clk);
EXPORT_SYMBOL_GPL(__regmap_init_mmio_clk);
/**
* devm_regmap_init_mmio_clk(): Initialise managed register map with clock
*
* @dev: Device that will be interacted with
* @clk_id: register clock consumer ID
* @regs: Pointer to memory-mapped IO region
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_mmio_clk(struct device *dev,
const char *clk_id,
void __iomem *regs,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
struct regmap_mmio_context *ctx;
@@ -343,8 +326,9 @@ struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id,
if (IS_ERR(ctx))
return ERR_CAST(ctx);
return devm_regmap_init(dev, &regmap_mmio, ctx, config);
return __devm_regmap_init(dev, &regmap_mmio, ctx, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_mmio_clk);
EXPORT_SYMBOL_GPL(__devm_regmap_init_mmio_clk);
MODULE_LICENSE("GPL v2");

41
drivers/base/regmap/regmap-spi.c
ファイルの表示

@@ -113,37 +113,24 @@ static struct regmap_bus regmap_spi = {
.val_format_endian_default = REGMAP_ENDIAN_BIG,
};
/**
* regmap_init_spi(): Initialise register map
*
* @spi: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_spi(struct spi_device *spi,
const struct regmap_config *config)
struct regmap *__regmap_init_spi(struct spi_device *spi,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return regmap_init(&spi->dev, &regmap_spi, &spi->dev, config);
return __regmap_init(&spi->dev, &regmap_spi, &spi->dev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_spi);
EXPORT_SYMBOL_GPL(__regmap_init_spi);
/**
* devm_regmap_init_spi(): Initialise register map
*
* @spi: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The map will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_spi(struct spi_device *spi,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_spi(struct spi_device *spi,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return devm_regmap_init(&spi->dev, &regmap_spi, &spi->dev, config);
return __devm_regmap_init(&spi->dev, &regmap_spi, &spi->dev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_spi);
EXPORT_SYMBOL_GPL(__devm_regmap_init_spi);
MODULE_LICENSE("GPL");

78
drivers/base/regmap/regmap-spmi.c
ファイルの表示

@@ -91,36 +91,25 @@ static struct regmap_bus regmap_spmi_base = {
.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
};
/**
* regmap_init_spmi_base(): Create regmap for the Base register space
* @sdev: SPMI device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_spmi_base(struct spmi_device *sdev,
const struct regmap_config *config)
struct regmap *__regmap_init_spmi_base(struct spmi_device *sdev,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return regmap_init(&sdev->dev, &regmap_spmi_base, sdev, config);
return __regmap_init(&sdev->dev, &regmap_spmi_base, sdev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_spmi_base);
EXPORT_SYMBOL_GPL(__regmap_init_spmi_base);
/**
* devm_regmap_init_spmi_base(): Create managed regmap for Base register space
* @sdev: SPMI device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_spmi_base(struct spmi_device *sdev,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *sdev,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return devm_regmap_init(&sdev->dev, &regmap_spmi_base, sdev, config);
return __devm_regmap_init(&sdev->dev, &regmap_spmi_base, sdev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_spmi_base);
EXPORT_SYMBOL_GPL(__devm_regmap_init_spmi_base);
static int regmap_spmi_ext_read(void *context,
const void *reg, size_t reg_size,
@@ -222,35 +211,24 @@ static struct regmap_bus regmap_spmi_ext = {
.val_format_endian_default = REGMAP_ENDIAN_NATIVE,
};
/**
* regmap_init_spmi_ext(): Create regmap for Ext register space
* @sdev: Device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap.
*/
struct regmap *regmap_init_spmi_ext(struct spmi_device *sdev,
const struct regmap_config *config)
struct regmap *__regmap_init_spmi_ext(struct spmi_device *sdev,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return regmap_init(&sdev->dev, &regmap_spmi_ext, sdev, config);
return __regmap_init(&sdev->dev, &regmap_spmi_ext, sdev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(regmap_init_spmi_ext);
EXPORT_SYMBOL_GPL(__regmap_init_spmi_ext);
/**
* devm_regmap_init_spmi_ext(): Create managed regmap for Ext register space
* @sdev: SPMI device that will be interacted with
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. The regmap will be automatically freed by the
* device management code.
*/
struct regmap *devm_regmap_init_spmi_ext(struct spmi_device *sdev,
const struct regmap_config *config)
struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *sdev,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
return devm_regmap_init(&sdev->dev, &regmap_spmi_ext, sdev, config);
return __devm_regmap_init(&sdev->dev, &regmap_spmi_ext, sdev, config,
lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(devm_regmap_init_spmi_ext);
EXPORT_SYMBOL_GPL(__devm_regmap_init_spmi_ext);
MODULE_LICENSE("GPL");

132
drivers/base/regmap/regmap.c
ファイルの表示

@@ -18,6 +18,7 @@
#include <linux/of.h>
#include <linux/rbtree.h>
#include <linux/sched.h>
#include <linux/delay.h>
#define CREATE_TRACE_POINTS
#include "trace.h"
@@ -518,22 +519,12 @@ enum regmap_endian regmap_get_val_endian(struct device *dev,
}
EXPORT_SYMBOL_GPL(regmap_get_val_endian);
/**
* regmap_init(): Initialise register map
*
* @dev: Device that will be interacted with
* @bus: Bus-specific callbacks to use with device
* @bus_context: Data passed to bus-specific callbacks
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer to
* a struct regmap. This function should generally not be called
* directly, it should be called by bus-specific init functions.
*/
struct regmap *regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config)
struct regmap *__regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
struct regmap *map;
int ret = -EINVAL;
@@ -559,10 +550,14 @@ struct regmap *regmap_init(struct device *dev,
spin_lock_init(&map->spinlock);
map->lock = regmap_lock_spinlock;
map->unlock = regmap_unlock_spinlock;
lockdep_set_class_and_name(&map->spinlock,
lock_key, lock_name);
} else {
mutex_init(&map->mutex);
map->lock = regmap_lock_mutex;
map->unlock = regmap_unlock_mutex;
lockdep_set_class_and_name(&map->mutex,
lock_key, lock_name);
}
map->lock_arg = map;
}
@@ -907,30 +902,19 @@ err_map:
err:
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(regmap_init);
EXPORT_SYMBOL_GPL(__regmap_init);
static void devm_regmap_release(struct device *dev, void *res)
{
regmap_exit(*(struct regmap **)res);
}
/**
* devm_regmap_init(): Initialise managed register map
*
* @dev: Device that will be interacted with
* @bus: Bus-specific callbacks to use with device
* @bus_context: Data passed to bus-specific callbacks
* @config: Configuration for register map
*
* The return value will be an ERR_PTR() on error or a valid pointer
* to a struct regmap. This function should generally not be called
* directly, it should be called by bus-specific init functions. The
* map will be automatically freed by the device management code.
*/
struct regmap *devm_regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config)
struct regmap *__devm_regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
struct regmap **ptr, *regmap;
@@ -938,7 +922,8 @@ struct regmap *devm_regmap_init(struct device *dev,
if (!ptr)
return ERR_PTR(-ENOMEM);
regmap = regmap_init(dev, bus, bus_context, config);
regmap = __regmap_init(dev, bus, bus_context, config,
lock_key, lock_name);
if (!IS_ERR(regmap)) {
*ptr = regmap;
devres_add(dev, ptr);
@@ -948,7 +933,7 @@ struct regmap *devm_regmap_init(struct device *dev,
return regmap;
}
EXPORT_SYMBOL_GPL(devm_regmap_init);
EXPORT_SYMBOL_GPL(__devm_regmap_init);
static void regmap_field_init(struct regmap_field *rm_field,
struct regmap *regmap, struct reg_field reg_field)
@@ -1827,7 +1812,7 @@ EXPORT_SYMBOL_GPL(regmap_bulk_write);
* relative. The page register has been written if that was necessary.
*/
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;
@@ -1884,17 +1869,19 @@ 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;
unsigned int page_change = 0;
/*
* the set of registers are not neccessarily in order, but
* since the order of write must be preserved this algorithm
* chops the set each time the page changes
* chops the set each time the page changes. This also applies
* if there is a delay required at any point in the sequence.
*/
base = regs;
for (i = 0, n = 0; i < num_regs; i++, n++) {
@@ -1910,16 +1897,48 @@ static int _regmap_range_multi_paged_reg_write(struct regmap *map,
this_page = win_page;
if (win_page != this_page) {
this_page = win_page;
page_change = 1;
}
}
/* If we have both a page change and a delay make sure to
* write the regs and apply the delay before we change the
* page.
*/
if (page_change || regs[i].delay_us) {
/* For situations where the first write requires
* a delay we need to make sure we don't call
* raw_multi_reg_write with n=0
* This can't occur with page breaks as we
* never write on the first iteration
*/
if (regs[i].delay_us && i == 0)
n = 1;
ret = _regmap_raw_multi_reg_write(map, base, n);
if (ret != 0)
return ret;
if (regs[i].delay_us)
udelay(regs[i].delay_us);
base += n;
n = 0;
}
ret = _regmap_select_page(map, &base[n].reg, range, 1);
if (ret != 0)
return ret;
if (page_change) {
ret = _regmap_select_page(map,
&base[n].reg,
range, 1);
if (ret != 0)
return ret;
page_change = 0;
}
}
}
if (n > 0)
return _regmap_raw_multi_reg_write(map, base, n);
@@ -1927,7 +1946,7 @@ 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;
@@ -1938,6 +1957,9 @@ static int _regmap_multi_reg_write(struct regmap *map,
ret = _regmap_write(map, regs[i].reg, regs[i].def);
if (ret != 0)
return ret;
if (regs[i].delay_us)
udelay(regs[i].delay_us);
}
return 0;
}
@@ -1977,10 +1999,14 @@ static int _regmap_multi_reg_write(struct regmap *map,
for (i = 0; i < num_regs; i++) {
unsigned int reg = regs[i].reg;
struct regmap_range_node *range;
/* Coalesce all the writes between a page break or a delay
* in a sequence
*/
range = _regmap_range_lookup(map, reg);
if (range) {
size_t len = sizeof(struct reg_default)*num_regs;
struct reg_default *base = kmemdup(regs, len,
if (range || regs[i].delay_us) {
size_t len = sizeof(struct reg_sequence)*num_regs;
struct reg_sequence *base = kmemdup(regs, len,
GFP_KERNEL);
if (!base)
return -ENOMEM;
@@ -2013,7 +2039,7 @@ 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;
@@ -2046,7 +2072,7 @@ 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;
@@ -2726,10 +2752,10 @@ 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;
@@ -2738,7 +2764,7 @@ 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));