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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-14 16:02:28 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-14 16:02:28 +0100
commit3bad80dab94a16c9b7991105e3bffd5fe5957e9a (patch)
tree78b38d6974bd023491cbb425875700cea4bad69f /Documentation/driver-api/generic-counter.rst
parent871bfa02d08d9c0ed981c50082b7afd367d3700b (diff)
parentd47c7407b4c88cf66098eba8893bc38279f301fc (diff)
downloadlinux-3bad80dab94a16c9b7991105e3bffd5fe5957e9a.tar.gz
Merge tag 'char-misc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH: "Here is the large set of char, misc, and other "small" driver subsystem changes for 5.17-rc1. Lots of different things are in here for char/misc drivers such as: - habanalabs driver updates - mei driver updates - lkdtm driver updates - vmw_vmci driver updates - android binder driver updates - other small char/misc driver updates Also smaller driver subsystems have also been updated, including: - fpga subsystem updates - iio subsystem updates - soundwire subsystem updates - extcon subsystem updates - gnss subsystem updates - phy subsystem updates - coresight subsystem updates - firmware subsystem updates - comedi subsystem updates - mhi subsystem updates - speakup subsystem updates - rapidio subsystem updates - spmi subsystem updates - virtual driver updates - counter subsystem updates Too many individual changes to summarize, the shortlog contains the full details. All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (406 commits) counter: 104-quad-8: Fix use-after-free by quad8_irq_handler dt-bindings: mux: Document mux-states property dt-bindings: ti-serdes-mux: Add defines for J721S2 SoC counter: remove old and now unused registration API counter: ti-eqep: Convert to new counter registration counter: stm32-lptimer-cnt: Convert to new counter registration counter: stm32-timer-cnt: Convert to new counter registration counter: microchip-tcb-capture: Convert to new counter registration counter: ftm-quaddec: Convert to new counter registration counter: intel-qep: Convert to new counter registration counter: interrupt-cnt: Convert to new counter registration counter: 104-quad-8: Convert to new counter registration counter: Update documentation for new counter registration functions counter: Provide alternative counter registration functions counter: stm32-timer-cnt: Convert to counter_priv() wrapper counter: stm32-lptimer-cnt: Convert to counter_priv() wrapper counter: ti-eqep: Convert to counter_priv() wrapper counter: ftm-quaddec: Convert to counter_priv() wrapper counter: intel-qep: Convert to counter_priv() wrapper counter: microchip-tcb-capture: Convert to counter_priv() wrapper ...
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@@ -262,11 +262,11 @@ order to communicate with the device: to read and write various Signals
and Counts, and to set and get the "action mode" and "function mode" for
various Synapses and Counts respectively.
-A defined counter_device structure may be registered to the system by
-passing it to the counter_register function, and unregistered by passing
-it to the counter_unregister function. Similarly, the
-devm_counter_register function may be used if device memory-managed
-registration is desired.
+A counter_device structure is allocated using counter_alloc() and then
+registered to the system by passing it to the counter_add() function, and
+unregistered by passing it to the counter_unregister function. There are
+device managed variants of these functions: devm_counter_alloc() and
+devm_counter_add().
The struct counter_comp structure is used to define counter extensions
for Signals, Synapses, and Counts.