This patch change some bool variables in struct regmap { }
to be u8 v : 1 type, so that we can shrink the sizeof of struct regmap.
Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
drivers/base/regmap/internal.h | 39 +++++++++++++++++++--------------------
1 file changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 3df9770..dac341c 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -68,7 +68,6 @@ struct regmap {
void *bus_context;
const char *name;
- bool async;
spinlock_t async_lock;
wait_queue_head_t async_waitq;
struct list_head async_list;
@@ -102,8 +101,26 @@ struct regmap {
int (*reg_update_bits)(void *context, unsigned int reg,
unsigned int mask, unsigned int val);
- bool defer_caching;
+ u8 async:1;
+ u8 defer_caching:1;
+ /* if set, remember to free reg_defaults_raw */
+ u8 cache_free:1;
+ /* if set, the HW registers are known to match map->reg_defaults */
+ u8 no_sync_defaults:1;
+ /* if set, converts bulk read to single read */
+ u8 use_single_read:1;
+ /* if set, converts bulk read to single read */
+ u8 use_single_write:1;
+ /* if set, the device supports multi write mode */
+ u8 can_multi_write:1;
+
+ /* if set, only the cache is modified not the HW */
+ bool cache_only;
+ /* if set, only the HW is modified not the cache */
+ bool cache_bypass;
+ /* if set, the cache contains newer data than the HW */
+ bool cache_dirty;
u8 read_flag_mask;
u8 write_flag_mask;
@@ -124,31 +141,13 @@ struct regmap {
/* number of entries in reg_defaults_raw */
unsigned int num_reg_defaults_raw;
- /* if set, only the cache is modified not the HW */
- bool cache_only;
- /* if set, only the HW is modified not the cache */
- bool cache_bypass;
- /* if set, remember to free reg_defaults_raw */
- bool cache_free;
-
struct reg_default *reg_defaults;
const void *reg_defaults_raw;
void *cache;
- /* if set, the cache contains newer data than the HW */
- bool cache_dirty;
- /* if set, the HW registers are known to match map->reg_defaults */
- bool no_sync_defaults;
struct reg_sequence *patch;
int patch_regs;
- /* if set, converts bulk read to single read */
- bool use_single_read;
- /* if set, converts bulk read to single read */
- bool use_single_write;
- /* if set, the device supports multi write mode */
- bool can_multi_write;
-
/* if set, raw reads/writes are limited to this size */
size_t max_raw_read;
size_t max_raw_write;
--
1.9.1
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