linux/drivers/base/regmap/regmap.c, branch v4.15

regmap: Fix unused warning

2017-11-06T11:29:09Z

This patch fixes the warning of label 'err_map' defined but not used. Signed-off-by: Baolin Wang Signed-off-by: Mark Brown

regmap: Clean up hwspinlock on regmap exit

2017-11-03T19:53:56Z

We should free any hwspinlocks when we destroy the regmap, do so. Signed-off-by: Mark Brown

regmap: Also protect hwspinlock in error handling path

2017-11-03T19:53:42Z

The previous patch to allow the hwspinlock code to be disabled missed handling the free in the error path, do so using the better IS_ENABLED() pattern as suggested by Baolin. While we're at it also check that we have a hardware spinlock before freeing it - the core code reports an error when freeing an invalid lock. Suggested-by: Baolin Wang Signed-off-by: Mark Brown

regmap: Add a config option for hwspinlock

2017-11-03T11:38:04Z

Unlike other lock types hwspinlocks are optional and can be built modular so we can't use them unconditionally in regmap so add a config option that drivers that want to use hwspinlocks with regmap can select which will ensure that hwspinlock is built in. Signed-off-by: Mark Brown

regmap: Add hardware spinlock support

2017-11-01T10:06:29Z

On some platforms, when reading or writing some special registers through regmap, we should acquire one hardware spinlock to synchronize between the multiple subsystems. Thus this patch adds the hardware spinlock support for regmap. Signed-off-by: Baolin Wang Signed-off-by: Mark Brown

Merge remote-tracking branches 'regmap/topic/doc' and 'regmap/topic/rbtree' into regmap-next

2017-02-03T11:34:59Z

regmap: Fixup the kernel-doc comments on functions/structures

2017-01-12T17:22:48Z

Most of the kernel-doc comments in regmap don't actually generate correctly. This patch fixes up a few common issues, corrects some typos and adds some missing argument descriptions. The most common issues being using a : after the function name which causes the short description to not render correctly and not separating the long and short descriptions of the function. There are quite a few instances of arguments not being described or given the wrong name as well. This patch doesn't fixup functions/structures that are currently missing descriptions. Signed-off-by: Charles Keepax Signed-off-by: Mark Brown

regmap: use rb_entry()

2016-12-19T15:42:26Z

To make the code clearer, use rb_entry() instead of container_of() to deal with rbtree. Signed-off-by: Geliang Tang Signed-off-by: Mark Brown

Merge remote-tracking branches 'regmap/topic/core' and 'regmap/topic/debugfs' into regmap-next

2016-10-04T03:17:12Z

regmap: fix deadlock on _regmap_raw_write() error path

2016-09-22T10:24:22Z

Commit 815806e39bf6 ("regmap: drop cache if the bus transfer error") added a call to regcache_drop_region() to error path in _regmap_raw_write(). However that path runs with regmap lock taken, and regcache_drop_region() tries to re-take it, causing a deadlock. Fix that by calling map->cache_ops->drop() directly. Signed-off-by: Nikita Yushchenko Signed-off-by: Mark Brown