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Merge tag 'regmap-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

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Pull regmap updates from Mark Brown:
 "Just two updates this time around, a rework of max_register handling
  which enables us to support devices with only one register better and
  a new test which will be used to validate use of some new SPI
  optimisations which will be coming in during this merge window"

* tag 'regmap-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: kunit: Add a test for ranges in combination with windows
  regmap: rework ->max_register handling
This commit is contained in:
Linus Torvalds
2024-03-13 11:01:21 -07:00
parent 245b6f3239 bb92804ba2
commit b30f2db0b7
6 changed files with 82 additions and 6 deletions
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5
include/linux/regmap.h
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@@ -332,6 +332,10 @@ typedef void (*regmap_unlock)(void *);
* @io_port: Support IO port accessors. Makes sense only when MMIO vs. IO port
* access can be distinguished.
* @max_register: Optional, specifies the maximum valid register address.
* @max_register_is_0: Optional, specifies that zero value in @max_register
* should be taken into account. This is a workaround to
* apply handling of @max_register for regmap that contains
* only one register.
* @wr_table: Optional, points to a struct regmap_access_table specifying
* valid ranges for write access.
* @rd_table: As above, for read access.
@@ -422,6 +426,7 @@ struct regmap_config {
bool io_port;
unsigned int max_register;
bool max_register_is_0;
const struct regmap_access_table *wr_table;
const struct regmap_access_table *rd_table;
const struct regmap_access_table *volatile_table;