regmap: Updates for v6.6
This is a much quieter release than the past few, there's one small API
addition that I noticed a user for in ALSA and a bunch of cleanups:
- Provide an interface for determining if a register is present in the
cache and add a user of it in ALSA.
- Full support for dynamic allocations, following the temporary bodges
that were done as fixes in the previous release.
- Remove the unused and questionably working 64 bit support.
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Merge tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This is a much quieter release than the past few, there's one small
API addition that I noticed a user for in ALSA and a bunch of
cleanups:
- Provide an interface for determining if a register is present in
the cache and add a user of it in ALSA.
- Full support for dynamic allocations, following the temporary
bodges that were done as fixes in the previous release.
- Remove the unused and questionably working 64 bit support"
* tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix the type used for a bitmap pointer
regmap: Remove dynamic allocation warnings for rbtree and maple
regmap: rbtree: Use alloc_flags for memory allocations
regmap: maple: Use alloc_flags for memory allocations
regmap: Reject fast_io regmap configurations with RBTREE and MAPLE caches
ALSA: hda: Use regcache_reg_cached() rather than open coding
regmap: Provide test for regcache_reg_present()
regmap: Let users check if a register is cached
regmap: Provide user selectable option to enable regmap
regmap: mmio: Remove unused 64-bit support code
regmap: cache: Revert "Add 64-bit mode support"
regmap: Revert "add 64-bit mode support" and Co.
This commit is contained in:
Linus Torvalds
commit
0fc81f3764
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@ -4,7 +4,7 @@
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# subsystems should select the appropriate symbols.
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config REGMAP
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bool "Register Map support" if KUNIT_ALL_TESTS
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bool
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default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ || REGMAP_SOUNDWIRE || REGMAP_SOUNDWIRE_MBQ || REGMAP_SCCB || REGMAP_I3C || REGMAP_SPI_AVMM || REGMAP_MDIO || REGMAP_FSI)
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select IRQ_DOMAIN if REGMAP_IRQ
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select MDIO_BUS if REGMAP_MDIO
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@ -23,6 +23,16 @@ config REGMAP_KUNIT
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default KUNIT_ALL_TESTS
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select REGMAP_RAM
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config REGMAP_BUILD
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bool "Enable regmap build"
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depends on KUNIT
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select REGMAP
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help
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This option exists purely to allow the regmap KUnit tests to
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be enabled without having to enable some driver that uses
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regmap due to unfortunate issues with how KUnit tests are
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normally enabled.
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config REGMAP_AC97
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tristate
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@ -74,7 +74,7 @@ static int regcache_maple_write(struct regmap *map, unsigned int reg,
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rcu_read_unlock();
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entry = kmalloc((last - index + 1) * sizeof(unsigned long),
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GFP_KERNEL);
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map->alloc_flags);
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if (!entry)
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return -ENOMEM;
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@ -92,7 +92,7 @@ static int regcache_maple_write(struct regmap *map, unsigned int reg,
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mas_lock(&mas);
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mas_set_range(&mas, index, last);
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ret = mas_store_gfp(&mas, entry, GFP_KERNEL);
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ret = mas_store_gfp(&mas, entry, map->alloc_flags);
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mas_unlock(&mas);
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@ -134,7 +134,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
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lower = kmemdup(entry, ((min - mas.index) *
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sizeof(unsigned long)),
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GFP_KERNEL);
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map->alloc_flags);
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if (!lower) {
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ret = -ENOMEM;
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goto out_unlocked;
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@ -148,7 +148,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
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upper = kmemdup(&entry[max + 1],
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((mas.last - max) *
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sizeof(unsigned long)),
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GFP_KERNEL);
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map->alloc_flags);
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if (!upper) {
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ret = -ENOMEM;
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goto out_unlocked;
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@ -162,7 +162,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
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/* Insert new nodes with the saved data */
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if (lower) {
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mas_set_range(&mas, lower_index, lower_last);
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ret = mas_store_gfp(&mas, lower, GFP_KERNEL);
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ret = mas_store_gfp(&mas, lower, map->alloc_flags);
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if (ret != 0)
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goto out;
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lower = NULL;
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@ -170,7 +170,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
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if (upper) {
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mas_set_range(&mas, upper_index, upper_last);
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ret = mas_store_gfp(&mas, upper, GFP_KERNEL);
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ret = mas_store_gfp(&mas, upper, map->alloc_flags);
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if (ret != 0)
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goto out;
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upper = NULL;
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@ -320,7 +320,7 @@ static int regcache_maple_insert_block(struct regmap *map, int first,
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unsigned long *entry;
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int i, ret;
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entry = kcalloc(last - first + 1, sizeof(unsigned long), GFP_KERNEL);
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entry = kcalloc(last - first + 1, sizeof(unsigned long), map->alloc_flags);
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if (!entry)
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return -ENOMEM;
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@ -331,7 +331,7 @@ static int regcache_maple_insert_block(struct regmap *map, int first,
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mas_set_range(&mas, map->reg_defaults[first].reg,
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map->reg_defaults[last].reg);
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ret = mas_store_gfp(&mas, entry, GFP_KERNEL);
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ret = mas_store_gfp(&mas, entry, map->alloc_flags);
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mas_unlock(&mas);
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|
|
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@ -22,7 +22,7 @@ struct regcache_rbtree_node {
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/* block of adjacent registers */
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void *block;
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/* Which registers are present */
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long *cache_present;
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unsigned long *cache_present;
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/* base register handled by this block */
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unsigned int base_reg;
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/* number of registers available in the block */
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@ -277,7 +277,7 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
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blk = krealloc(rbnode->block,
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blklen * map->cache_word_size,
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GFP_KERNEL);
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map->alloc_flags);
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if (!blk)
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return -ENOMEM;
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|
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@ -286,7 +286,7 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
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if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) {
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present = krealloc(rbnode->cache_present,
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BITS_TO_LONGS(blklen) * sizeof(*present),
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GFP_KERNEL);
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map->alloc_flags);
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if (!present)
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return -ENOMEM;
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@ -320,7 +320,7 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
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const struct regmap_range *range;
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int i;
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rbnode = kzalloc(sizeof(*rbnode), GFP_KERNEL);
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rbnode = kzalloc(sizeof(*rbnode), map->alloc_flags);
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if (!rbnode)
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return NULL;
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@ -346,13 +346,13 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
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}
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rbnode->block = kmalloc_array(rbnode->blklen, map->cache_word_size,
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GFP_KERNEL);
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map->alloc_flags);
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if (!rbnode->block)
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goto err_free;
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rbnode->cache_present = kcalloc(BITS_TO_LONGS(rbnode->blklen),
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sizeof(*rbnode->cache_present),
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GFP_KERNEL);
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map->alloc_flags);
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if (!rbnode->cache_present)
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goto err_free_block;
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@ -558,6 +558,29 @@ void regcache_cache_bypass(struct regmap *map, bool enable)
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}
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EXPORT_SYMBOL_GPL(regcache_cache_bypass);
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/**
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* regcache_reg_cached - Check if a register is cached
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*
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* @map: map to check
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* @reg: register to check
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*
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* Reports if a register is cached.
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*/
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bool regcache_reg_cached(struct regmap *map, unsigned int reg)
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{
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unsigned int val;
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int ret;
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map->lock(map->lock_arg);
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ret = regcache_read(map, reg, &val);
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map->unlock(map->lock_arg);
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return ret == 0;
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}
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EXPORT_SYMBOL_GPL(regcache_reg_cached);
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void regcache_set_val(struct regmap *map, void *base, unsigned int idx,
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unsigned int val)
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{
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@ -587,14 +610,6 @@ void regcache_set_val(struct regmap *map, void *base, unsigned int idx,
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cache[idx] = val;
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break;
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}
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#ifdef CONFIG_64BIT
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case 8: {
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u64 *cache = base;
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cache[idx] = val;
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break;
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}
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#endif
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default:
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BUG();
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}
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@ -627,13 +642,6 @@ unsigned int regcache_get_val(struct regmap *map, const void *base,
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return cache[idx];
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}
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#ifdef CONFIG_64BIT
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case 8: {
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const u64 *cache = base;
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return cache[idx];
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}
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#endif
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default:
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BUG();
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}
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|
|
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@ -836,6 +836,45 @@ static void cache_drop(struct kunit *test)
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regmap_exit(map);
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}
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static void cache_present(struct kunit *test)
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{
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struct regcache_types *t = (struct regcache_types *)test->param_value;
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struct regmap *map;
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struct regmap_config config;
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struct regmap_ram_data *data;
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unsigned int val;
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int i;
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config = test_regmap_config;
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config.cache_type = t->type;
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map = gen_regmap(&config, &data);
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KUNIT_ASSERT_FALSE(test, IS_ERR(map));
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if (IS_ERR(map))
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return;
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for (i = 0; i < BLOCK_TEST_SIZE; i++)
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data->read[i] = false;
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/* No defaults so no registers cached. */
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for (i = 0; i < BLOCK_TEST_SIZE; i++)
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KUNIT_ASSERT_FALSE(test, regcache_reg_cached(map, i));
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/* We didn't trigger any reads */
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for (i = 0; i < BLOCK_TEST_SIZE; i++)
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KUNIT_ASSERT_FALSE(test, data->read[i]);
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/* Fill the cache */
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for (i = 0; i < BLOCK_TEST_SIZE; i++)
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KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &val));
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/* Now everything should be cached */
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for (i = 0; i < BLOCK_TEST_SIZE; i++)
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KUNIT_ASSERT_TRUE(test, regcache_reg_cached(map, i));
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regmap_exit(map);
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}
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struct raw_test_types {
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const char *name;
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|
|
@ -1177,6 +1216,7 @@ static struct kunit_case regmap_test_cases[] = {
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KUNIT_CASE_PARAM(cache_sync_readonly, real_cache_types_gen_params),
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KUNIT_CASE_PARAM(cache_sync_patch, real_cache_types_gen_params),
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KUNIT_CASE_PARAM(cache_drop, sparse_cache_types_gen_params),
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KUNIT_CASE_PARAM(cache_present, sparse_cache_types_gen_params),
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KUNIT_CASE_PARAM(raw_read_defaults_single, raw_test_types_gen_params),
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KUNIT_CASE_PARAM(raw_read_defaults, raw_test_types_gen_params),
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|
|
|
|||
|
|
@ -202,15 +202,6 @@ static int regmap_mmio_noinc_write(void *context, unsigned int reg,
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writel(swab32(valp[i]), ctx->regs + reg);
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goto out_clk;
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}
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#ifdef CONFIG_64BIT
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case 8:
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{
|
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const u64 *valp = (const u64 *)val;
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for (i = 0; i < val_count; i++)
|
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writeq(swab64(valp[i]), ctx->regs + reg);
|
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goto out_clk;
|
||||
}
|
||||
#endif
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto out_clk;
|
||||
|
|
@ -227,11 +218,6 @@ static int regmap_mmio_noinc_write(void *context, unsigned int reg,
|
|||
case 4:
|
||||
writesl(ctx->regs + reg, (const u32 *)val, val_count);
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
writesq(ctx->regs + reg, (const u64 *)val, val_count);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
break;
|
||||
|
|
@ -363,11 +349,6 @@ static int regmap_mmio_noinc_read(void *context, unsigned int reg,
|
|||
case 4:
|
||||
readsl(ctx->regs + reg, (u32 *)val, val_count);
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
readsq(ctx->regs + reg, (u64 *)val, val_count);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto out_clk;
|
||||
|
|
@ -387,11 +368,6 @@ static int regmap_mmio_noinc_read(void *context, unsigned int reg,
|
|||
case 4:
|
||||
swab32_array(val, val_count);
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
swab64_array(val, val_count);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -311,26 +311,6 @@ static void regmap_format_32_native(void *buf, unsigned int val,
|
|||
memcpy(buf, &v, sizeof(v));
|
||||
}
|
||||
|
||||
#ifdef CONFIG_64BIT
|
||||
static void regmap_format_64_be(void *buf, unsigned int val, unsigned int shift)
|
||||
{
|
||||
put_unaligned_be64((u64) val << shift, buf);
|
||||
}
|
||||
|
||||
static void regmap_format_64_le(void *buf, unsigned int val, unsigned int shift)
|
||||
{
|
||||
put_unaligned_le64((u64) val << shift, buf);
|
||||
}
|
||||
|
||||
static void regmap_format_64_native(void *buf, unsigned int val,
|
||||
unsigned int shift)
|
||||
{
|
||||
u64 v = (u64) val << shift;
|
||||
|
||||
memcpy(buf, &v, sizeof(v));
|
||||
}
|
||||
#endif
|
||||
|
||||
static void regmap_parse_inplace_noop(void *buf)
|
||||
{
|
||||
}
|
||||
|
|
@ -411,40 +391,6 @@ static unsigned int regmap_parse_32_native(const void *buf)
|
|||
return v;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_64BIT
|
||||
static unsigned int regmap_parse_64_be(const void *buf)
|
||||
{
|
||||
return get_unaligned_be64(buf);
|
||||
}
|
||||
|
||||
static unsigned int regmap_parse_64_le(const void *buf)
|
||||
{
|
||||
return get_unaligned_le64(buf);
|
||||
}
|
||||
|
||||
static void regmap_parse_64_be_inplace(void *buf)
|
||||
{
|
||||
u64 v = get_unaligned_be64(buf);
|
||||
|
||||
memcpy(buf, &v, sizeof(v));
|
||||
}
|
||||
|
||||
static void regmap_parse_64_le_inplace(void *buf)
|
||||
{
|
||||
u64 v = get_unaligned_le64(buf);
|
||||
|
||||
memcpy(buf, &v, sizeof(v));
|
||||
}
|
||||
|
||||
static unsigned int regmap_parse_64_native(const void *buf)
|
||||
{
|
||||
u64 v;
|
||||
|
||||
memcpy(&v, buf, sizeof(v));
|
||||
return v;
|
||||
}
|
||||
#endif
|
||||
|
||||
static void regmap_lock_hwlock(void *__map)
|
||||
{
|
||||
struct regmap *map = __map;
|
||||
|
|
@ -1005,24 +951,6 @@ struct regmap *__regmap_init(struct device *dev,
|
|||
}
|
||||
break;
|
||||
|
||||
#ifdef CONFIG_64BIT
|
||||
case 64:
|
||||
switch (reg_endian) {
|
||||
case REGMAP_ENDIAN_BIG:
|
||||
map->format.format_reg = regmap_format_64_be;
|
||||
break;
|
||||
case REGMAP_ENDIAN_LITTLE:
|
||||
map->format.format_reg = regmap_format_64_le;
|
||||
break;
|
||||
case REGMAP_ENDIAN_NATIVE:
|
||||
map->format.format_reg = regmap_format_64_native;
|
||||
break;
|
||||
default:
|
||||
goto err_hwlock;
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
goto err_hwlock;
|
||||
}
|
||||
|
|
@ -1086,28 +1014,6 @@ struct regmap *__regmap_init(struct device *dev,
|
|||
goto err_hwlock;
|
||||
}
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 64:
|
||||
switch (val_endian) {
|
||||
case REGMAP_ENDIAN_BIG:
|
||||
map->format.format_val = regmap_format_64_be;
|
||||
map->format.parse_val = regmap_parse_64_be;
|
||||
map->format.parse_inplace = regmap_parse_64_be_inplace;
|
||||
break;
|
||||
case REGMAP_ENDIAN_LITTLE:
|
||||
map->format.format_val = regmap_format_64_le;
|
||||
map->format.parse_val = regmap_parse_64_le;
|
||||
map->format.parse_inplace = regmap_parse_64_le_inplace;
|
||||
break;
|
||||
case REGMAP_ENDIAN_NATIVE:
|
||||
map->format.format_val = regmap_format_64_native;
|
||||
map->format.parse_val = regmap_parse_64_native;
|
||||
break;
|
||||
default:
|
||||
goto err_hwlock;
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
|
||||
if (map->format.format_write) {
|
||||
|
|
@ -2158,9 +2064,6 @@ static int regmap_noinc_readwrite(struct regmap *map, unsigned int reg,
|
|||
u8 *u8p;
|
||||
u16 *u16p;
|
||||
u32 *u32p;
|
||||
#ifdef CONFIG_64BIT
|
||||
u64 *u64p;
|
||||
#endif
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
|
|
@ -2180,13 +2083,6 @@ static int regmap_noinc_readwrite(struct regmap *map, unsigned int reg,
|
|||
if (write)
|
||||
lastval = (unsigned int)u32p[val_count - 1];
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
u64p = val;
|
||||
if (write)
|
||||
lastval = (unsigned int)u64p[val_count - 1];
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
|
@ -2224,11 +2120,6 @@ static int regmap_noinc_readwrite(struct regmap *map, unsigned int reg,
|
|||
case 4:
|
||||
pr_cont("%x", u32p[i]);
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
pr_cont("%llx", u64p[i]);
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
|
@ -2436,11 +2327,6 @@ int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
|
|||
case 4:
|
||||
ival = *(u32 *)(val + (i * val_bytes));
|
||||
break;
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
ival = *(u64 *)(val + (i * val_bytes));
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
ret = -EINVAL;
|
||||
goto out;
|
||||
|
|
@ -3205,9 +3091,6 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
|
|||
for (i = 0; i < val_count * val_bytes; i += val_bytes)
|
||||
map->format.parse_inplace(val + i);
|
||||
} else {
|
||||
#ifdef CONFIG_64BIT
|
||||
u64 *u64 = val;
|
||||
#endif
|
||||
u32 *u32 = val;
|
||||
u16 *u16 = val;
|
||||
u8 *u8 = val;
|
||||
|
|
@ -3223,11 +3106,6 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
|
|||
goto out;
|
||||
|
||||
switch (map->format.val_bytes) {
|
||||
#ifdef CONFIG_64BIT
|
||||
case 8:
|
||||
u64[i] = ival;
|
||||
break;
|
||||
#endif
|
||||
case 4:
|
||||
u32[i] = ival;
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -1287,6 +1287,7 @@ int regcache_drop_region(struct regmap *map, unsigned int min,
|
|||
void regcache_cache_only(struct regmap *map, bool enable);
|
||||
void regcache_cache_bypass(struct regmap *map, bool enable);
|
||||
void regcache_mark_dirty(struct regmap *map);
|
||||
bool regcache_reg_cached(struct regmap *map, unsigned int reg);
|
||||
|
||||
bool regmap_check_range_table(struct regmap *map, unsigned int reg,
|
||||
const struct regmap_access_table *table);
|
||||
|
|
|
|||
|
|
@ -556,17 +556,14 @@ EXPORT_SYMBOL_GPL(snd_hdac_regmap_update_raw);
|
|||
static int reg_raw_update_once(struct hdac_device *codec, unsigned int reg,
|
||||
unsigned int mask, unsigned int val)
|
||||
{
|
||||
unsigned int orig;
|
||||
int err;
|
||||
int err = 0;
|
||||
|
||||
if (!codec->regmap)
|
||||
return reg_raw_update(codec, reg, mask, val);
|
||||
|
||||
mutex_lock(&codec->regmap_lock);
|
||||
regcache_cache_only(codec->regmap, true);
|
||||
err = regmap_read(codec->regmap, reg, &orig);
|
||||
regcache_cache_only(codec->regmap, false);
|
||||
if (err < 0)
|
||||
/* Discard any updates to already initialised registers. */
|
||||
if (!regcache_reg_cached(codec->regmap, reg))
|
||||
err = regmap_update_bits(codec->regmap, reg, mask, val);
|
||||
mutex_unlock(&codec->regmap_lock);
|
||||
return err;
|
||||
|
|
|
|||
|
|
@ -33,5 +33,7 @@ CONFIG_DAMON_PADDR=y
|
|||
CONFIG_DEBUG_FS=y
|
||||
CONFIG_DAMON_DBGFS=y
|
||||
|
||||
CONFIG_REGMAP_BUILD=y
|
||||
|
||||
CONFIG_SECURITY=y
|
||||
CONFIG_SECURITY_APPARMOR=y
|
||||
|
|
|
|||
Loading…
Reference in New Issue