diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 15eddc1353ba..671515911b03 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -264,6 +264,9 @@ typedef void (*regmap_unlock)(void *); * field is NULL but precious_table (see below) is not, the * check is performed on such table (a register is precious if * it belongs to one of the ranges specified by precious_table). + * @disable_locking: This regmap is either protected by external means or + * is guaranteed not be be accessed from multiple threads. + * Don't use any locking mechanisms. * @lock: Optional lock callback (overrides regmap's default lock * function, based on spinlock or mutex). * @unlock: As above for unlocking. @@ -317,6 +320,7 @@ typedef void (*regmap_unlock)(void *); * * @ranges: Array of configuration entries for virtual address ranges. * @num_ranges: Number of range configuration entries. + * @use_hwlock: Indicate if a hardware spinlock should be used. * @hwlock_id: Specify the hardware spinlock id. * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE, * HWLOCK_IRQ or 0. @@ -333,6 +337,8 @@ struct regmap_config { bool (*readable_reg)(struct device *dev, unsigned int reg); bool (*volatile_reg)(struct device *dev, unsigned int reg); bool (*precious_reg)(struct device *dev, unsigned int reg); + + bool disable_locking; regmap_lock lock; regmap_unlock unlock; void *lock_arg; @@ -365,6 +371,7 @@ struct regmap_config { const struct regmap_range_cfg *ranges; unsigned int num_ranges; + bool use_hwlock; unsigned int hwlock_id; unsigned int hwlock_mode; }; |