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Revert "regmap: allow to define reg_update_bits for no bus configuration"

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This reverts commit fbddd48f14 which is
commit 02d6fdecb9 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I3a0035e1ad34dee35d3bd5d1a061c2a52e234f2a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2024-05-16 13:19:15 +00:00
parent c89027ceea
commit 8c9fedf246
2 changed files with 0 additions and 8 deletions
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1
drivers/base/regmap/regmap.c
View File

@@ -877,7 +877,6 @@ struct regmap *__regmap_init(struct device *dev,
if (!bus) {
map->reg_read = config->reg_read;
map->reg_write = config->reg_write;
map->reg_update_bits = config->reg_update_bits;
map->defer_caching = false;
goto skip_format_initialization;

7
include/linux/regmap.h
View File

@@ -291,11 +291,6 @@ typedef void (*regmap_unlock)(void *);
* read operation on a bus such as SPI, I2C, etc. Most of the
* devices do not need this.
* @reg_write: Same as above for writing.
* @reg_update_bits: Optional callback that if filled will be used to perform
* all the update_bits(rmw) operation. Should only be provided
* if the function require special handling with lock and reg
* handling and the operation cannot be represented as a simple
* update_bits operation on a bus such as SPI, I2C, etc.
* @fast_io: Register IO is fast. Use a spinlock instead of a mutex
* to perform locking. This field is ignored if custom lock/unlock
* functions are used (see fields lock/unlock of struct regmap_config).
@@ -378,8 +373,6 @@ struct regmap_config {
int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
int (*reg_write)(void *context, unsigned int reg, unsigned int val);
int (*reg_update_bits)(void *context, unsigned int reg,
unsigned int mask, unsigned int val);
bool fast_io;