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regmap: Updates for v4.18 

This is another quiet release for regmap, there's one minor feature
 improvement for the recently added slimbus support and a few minor fixes
 and cleanups.
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Merge tag 'regmap-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "This is another quiet release for regmap, there's one minor feature
  improvement for the recently added slimbus support and a few minor
  fixes and cleanups"

* tag 'regmap-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: slimbus: allow register offsets up to 16 bits
  regmap: add missing prototype for devm_init_slimbus
  regmap: Skip clk_put for attached clocks when freeing context
  regmap: include <linux/ktime.h> from include/linux/regmap.h
hifive-unleashed-5.1
Linus Torvalds 2018-06-04 11:38:16 -07:00
parent cfd12db4f1 869619e627
commit a31895ad7f
3 changed files with 21 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/base/regmap/regmap-mmio.c
View File

@ -206,7 +206,8 @@ static void regmap_mmio_free_context(void *context)
if (!IS_ERR(ctx->clk)) {
clk_unprepare(ctx->clk);
clk_put(ctx->clk);
if (!ctx->attached_clk)
clk_put(ctx->clk);
}
kfree(context);
}

2
drivers/base/regmap/regmap-slimbus.c
View File

@ -41,7 +41,7 @@ static struct regmap_bus regmap_slimbus_bus = {
static const struct regmap_bus *regmap_get_slimbus(struct slim_device *slim,
const struct regmap_config *config)
{
if (config->val_bits == 8 && config->reg_bits == 8)
if (config->val_bits == 8 && config->reg_bits == 16)
return &regmap_slimbus_bus;
return ERR_PTR(-ENOTSUPP);

19
include/linux/regmap.h
View File

@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/ktime.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/bug.h>
@ -587,7 +588,10 @@ struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name);
struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name);
/*
* Wrapper for regmap_init macros to include a unique lockdep key and name
* for each call. No-op if CONFIG_LOCKDEP is not set.
@ -906,6 +910,19 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
__regmap_lockdep_wrapper(__devm_regmap_init_sdw, #config, \
sdw, config)
/**
* devm_regmap_init_slimbus() - Initialise managed register map
*
* @slimbus: 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.
*/
#define devm_regmap_init_slimbus(slimbus, config) \
__regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \
slimbus, config)
int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk);
void regmap_mmio_detach_clk(struct regmap *map);
void regmap_exit(struct regmap *map);