From: William Breathitt Gray <vilhelm.gray@gmail.com> To: jic23@kernel.org Cc: kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com, a.fatoum@pengutronix.de, kamel.bouhara@bootlin.com, gwendal@chromium.org, alexandre.belloni@bootlin.com, david@lechnology.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, syednwaris@gmail.com, patrick.havelange@essensium.com, fabrice.gasnier@st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, o.rempel@pengutronix.de, William Breathitt Gray <vilhelm.gray@gmail.com> Subject: [PATCH v10 27/33] docs: counter: Document character device interface Date: Fri, 19 Mar 2021 20:00:46 +0900 [thread overview] Message-ID: <c952fbc009b2ed34868f07c5dd7f7086c667be63.1616150619.git.vilhelm.gray@gmail.com> (raw) In-Reply-To: <cover.1616150619.git.vilhelm.gray@gmail.com> This patch adds high-level documentation about the Counter subsystem character device interface. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> --- Documentation/driver-api/generic-counter.rst | 185 ++++++++++++++---- .../userspace-api/ioctl/ioctl-number.rst | 1 + 2 files changed, 145 insertions(+), 41 deletions(-) diff --git a/Documentation/driver-api/generic-counter.rst b/Documentation/driver-api/generic-counter.rst index f6397218aa4c..62a702e7f994 100644 --- a/Documentation/driver-api/generic-counter.rst +++ b/Documentation/driver-api/generic-counter.rst @@ -223,19 +223,6 @@ whether an input line is differential or single-ended) and instead focus on the core idea of what the data and process represent (e.g. position as interpreted from quadrature encoding data). -Userspace Interface -=================== - -Several sysfs attributes are generated by the Generic Counter interface, -and reside under the /sys/bus/counter/devices/counterX directory, where -counterX refers to the respective counter device. Please see -Documentation/ABI/testing/sysfs-bus-counter for detailed -information on each Generic Counter interface sysfs attribute. - -Through these sysfs attributes, programs and scripts may interact with -the Generic Counter paradigm Counts, Signals, and Synapses of respective -counter devices. - Driver API ========== @@ -388,16 +375,16 @@ userspace interface components:: / driver callbacks / ------------------- | - +---------------+ - | - V - +--------------------+ - | Counter sysfs | - +--------------------+ - | Translates to the | - | standard Counter | - | sysfs output | - +--------------------+ + +---------------+---------------+ + | | + V V + +--------------------+ +---------------------+ + | Counter sysfs | | Counter chrdev | + +--------------------+ +---------------------+ + | Translates to the | | Translates to the | + | standard Counter | | standard Counter | + | sysfs output | | character device | + +--------------------+ +---------------------+ Thereafter, data can be transferred directly between the Counter device driver and Counter userspace interface:: @@ -428,23 +415,30 @@ driver and Counter userspace interface:: / u64 / ---------- | - +---------------+ - | - V - +--------------------+ - | Counter sysfs | - +--------------------+ - | Translates to the | - | standard Counter | - | sysfs output | - |--------------------| - | Type: const char * | - | Value: "42" | - +--------------------+ - | - --------------- - / const char * / - --------------- + +---------------+---------------+ + | | + V V + +--------------------+ +---------------------+ + | Counter sysfs | | Counter chrdev | + +--------------------+ +---------------------+ + | Translates to the | | Translates to the | + | standard Counter | | standard Counter | + | sysfs output | | character device | + |--------------------| |---------------------| + | Type: const char * | | Type: u64 | + | Value: "42" | | Value: 42 | + +--------------------+ +---------------------+ + | | + --------------- ----------------------- + / const char * / / struct counter_event / + --------------- ----------------------- + | | + | V + | +-----------+ + | | read | + | +-----------+ + | \ Count: 42 / + | ----------- | V +--------------------------------------------------+ @@ -453,7 +447,7 @@ driver and Counter userspace interface:: \ Count: "42" / -------------------------------------------------- -There are three primary components involved: +There are four primary components involved: Counter device driver --------------------- @@ -473,3 +467,112 @@ and vice versa. Please refer to the ``Documentation/ABI/testing/sysfs-bus-counter`` file for a detailed breakdown of the available Generic Counter interface sysfs attributes. + +Counter chrdev +-------------- +Translates counter data to the standard Counter character device; data +is transferred via standard character device read calls, while Counter +events are configured via ioctl calls. + +Sysfs Interface +=============== + +Several sysfs attributes are generated by the Generic Counter interface, +and reside under the ``/sys/bus/counter/devices/counterX`` directory, +where ``X`` is to the respective counter device id. Please see +``Documentation/ABI/testing/sysfs-bus-counter`` for detailed information +on each Generic Counter interface sysfs attribute. + +Through these sysfs attributes, programs and scripts may interact with +the Generic Counter paradigm Counts, Signals, and Synapses of respective +counter devices. + +Counter Character Device +======================== + +Counter character device nodes are created under the ``/dev`` directory +as ``counterX``, where ``X`` is the respective counter device id. +Defines for the standard Counter data types are exposed via the +userspace ``include/uapi/linux/counter.h`` file. + +Counter events +-------------- +Counter device drivers can support Counter events by utilizing the +``counter_push_event`` function:: + + void counter_push_event(struct counter_device *const counter, const u8 event, + const u8 channel); + +The event id is specified by the ``event`` parameter; the event channel +id is specified by the ``channel`` parameter. When this function is +called, the Counter data associated with the respective event is +gathered, and a ``struct counter_event`` is generated for each datum and +pushed to userspace. + +Counter events can be configured by users to report various Counter +data of interest. This can be conceptualized as a list of Counter +component read calls to perform. For example:: + + +~~~~~~~~~~~~~~~~~~~~~~~~+~~~~~~~~~~~~~~~~~~~~~~~~+ + | COUNTER_EVENT_OVERFLOW | COUNTER_EVENT_INDEX | + +~~~~~~~~~~~~~~~~~~~~~~~~+~~~~~~~~~~~~~~~~~~~~~~~~+ + | Channel 0 | Channel 0 | + +------------------------+------------------------+ + | * Count 0 | * Signal 0 | + | * Count 1 | * Signal 0 Extension 0 | + | * Signal 3 | * Extension 4 | + | * Count 4 Extension 2 +------------------------+ + | * Signal 5 Extension 0 | Channel 1 | + | +------------------------+ + | | * Signal 4 | + | | * Signal 4 Extension 0 | + | | * Count 7 | + +------------------------+------------------------+ + +When ``counter_push_event(counter, COUNTER_EVENT_INDEX, 1)`` is called +for example, it will go down the list for the ``COUNTER_EVENT_INDEX`` +event channel 1 and execute the read callbacks for Signal 4, Signal 4 +Extension 0, and Count 4 -- the data returned for each is pushed to a +kfifo as a ``struct counter_event``, which userspace can retrieve via a +standard read operation on the respective character device node. + +Userspace +--------- +Userspace applications can configure Counter events via ioctl operations +on the Counter character device node. There following ioctl codes are +supported and provided by the ``linux/counter.h`` userspace header file: + +* COUNTER_ADD_WATCH_IOCTL: + Queues a Counter watch for the specified event. The queued watches + will not be applied until ``COUNTER_ENABLE_EVENTS_IOCTL`` is called. + +* COUNTER_ENABLE_EVENTS_IOCTL: + Enables monitoring the events specified by the Counter watches that + were queued by ``COUNTER_ADD_WATCH_IOCTL``. If events are already + enabled, the new set of watches replaces the old one. Calling this + ioctl also has the effect of clearing the queue of watches added by + ``COUNTER_ADD_WATCH_IOCTL``. + +* COUNTER_DISABLE_EVENTS_IOCTL: + Stops monitoring the previously enabled events. + +To configure events to gather Counter data, users first populate a +``struct counter_watch`` with the relevant event id, event channel id, +and the information for the desired Counter component from which to +read, and then pass it via the ``COUNTER_ADD_WATCH_IOCTL`` ioctl +command. + +Note that an event can be watched without gathering Counter data by +setting the ``component.type`` member equal to +``COUNTER_COMPONENT_NONE``. With this configuration the Counter +character device will simply populate the event timestamps for those +respective ``struct counter_event`` elements and ignore the component +value. + +The ``COUNTER_ADD_WATCH_IOCTL`` command will buffer these Counter +watches. When ready, the ``COUNTER_ENABLE_EVENTS_IOCTL`` ioctl command +may be used to activate these Counter watches. + +Userspace applications can then execute a ``read`` operation (optionally +calling ``poll`` first) on the Counter character device node to retrieve +``struct counter_event`` elements with the desired data. diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst index 96b2ae9f277f..bb57eac06f6b 100644 --- a/Documentation/userspace-api/ioctl/ioctl-number.rst +++ b/Documentation/userspace-api/ioctl/ioctl-number.rst @@ -88,6 +88,7 @@ Code Seq# Include File Comments <http://infiniband.sourceforge.net/> 0x20 all drivers/cdrom/cm206.h 0x22 all scsi/sg.h +0x3E 00-0F linux/counter.h <mailto:linux-iio@vger.kernel.org> '!' 00-1F uapi/linux/seccomp.h '#' 00-3F IEEE 1394 Subsystem Block for the entire subsystem -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: William Breathitt Gray <vilhelm.gray@gmail.com> To: jic23@kernel.org Cc: kernel@pengutronix.de, linux-stm32@st-md-mailman.stormreply.com, a.fatoum@pengutronix.de, kamel.bouhara@bootlin.com, gwendal@chromium.org, alexandre.belloni@bootlin.com, david@lechnology.com, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, syednwaris@gmail.com, patrick.havelange@essensium.com, fabrice.gasnier@st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, o.rempel@pengutronix.de, William Breathitt Gray <vilhelm.gray@gmail.com> Subject: [PATCH v10 27/33] docs: counter: Document character device interface Date: Fri, 19 Mar 2021 20:00:46 +0900 [thread overview] Message-ID: <c952fbc009b2ed34868f07c5dd7f7086c667be63.1616150619.git.vilhelm.gray@gmail.com> (raw) In-Reply-To: <cover.1616150619.git.vilhelm.gray@gmail.com> This patch adds high-level documentation about the Counter subsystem character device interface. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> --- Documentation/driver-api/generic-counter.rst | 185 ++++++++++++++---- .../userspace-api/ioctl/ioctl-number.rst | 1 + 2 files changed, 145 insertions(+), 41 deletions(-) diff --git a/Documentation/driver-api/generic-counter.rst b/Documentation/driver-api/generic-counter.rst index f6397218aa4c..62a702e7f994 100644 --- a/Documentation/driver-api/generic-counter.rst +++ b/Documentation/driver-api/generic-counter.rst @@ -223,19 +223,6 @@ whether an input line is differential or single-ended) and instead focus on the core idea of what the data and process represent (e.g. position as interpreted from quadrature encoding data). -Userspace Interface -=================== - -Several sysfs attributes are generated by the Generic Counter interface, -and reside under the /sys/bus/counter/devices/counterX directory, where -counterX refers to the respective counter device. Please see -Documentation/ABI/testing/sysfs-bus-counter for detailed -information on each Generic Counter interface sysfs attribute. - -Through these sysfs attributes, programs and scripts may interact with -the Generic Counter paradigm Counts, Signals, and Synapses of respective -counter devices. - Driver API ========== @@ -388,16 +375,16 @@ userspace interface components:: / driver callbacks / ------------------- | - +---------------+ - | - V - +--------------------+ - | Counter sysfs | - +--------------------+ - | Translates to the | - | standard Counter | - | sysfs output | - +--------------------+ + +---------------+---------------+ + | | + V V + +--------------------+ +---------------------+ + | Counter sysfs | | Counter chrdev | + +--------------------+ +---------------------+ + | Translates to the | | Translates to the | + | standard Counter | | standard Counter | + | sysfs output | | character device | + +--------------------+ +---------------------+ Thereafter, data can be transferred directly between the Counter device driver and Counter userspace interface:: @@ -428,23 +415,30 @@ driver and Counter userspace interface:: / u64 / ---------- | - +---------------+ - | - V - +--------------------+ - | Counter sysfs | - +--------------------+ - | Translates to the | - | standard Counter | - | sysfs output | - |--------------------| - | Type: const char * | - | Value: "42" | - +--------------------+ - | - --------------- - / const char * / - --------------- + +---------------+---------------+ + | | + V V + +--------------------+ +---------------------+ + | Counter sysfs | | Counter chrdev | + +--------------------+ +---------------------+ + | Translates to the | | Translates to the | + | standard Counter | | standard Counter | + | sysfs output | | character device | + |--------------------| |---------------------| + | Type: const char * | | Type: u64 | + | Value: "42" | | Value: 42 | + +--------------------+ +---------------------+ + | | + --------------- ----------------------- + / const char * / / struct counter_event / + --------------- ----------------------- + | | + | V + | +-----------+ + | | read | + | +-----------+ + | \ Count: 42 / + | ----------- | V +--------------------------------------------------+ @@ -453,7 +447,7 @@ driver and Counter userspace interface:: \ Count: "42" / -------------------------------------------------- -There are three primary components involved: +There are four primary components involved: Counter device driver --------------------- @@ -473,3 +467,112 @@ and vice versa. Please refer to the ``Documentation/ABI/testing/sysfs-bus-counter`` file for a detailed breakdown of the available Generic Counter interface sysfs attributes. + +Counter chrdev +-------------- +Translates counter data to the standard Counter character device; data +is transferred via standard character device read calls, while Counter +events are configured via ioctl calls. + +Sysfs Interface +=============== + +Several sysfs attributes are generated by the Generic Counter interface, +and reside under the ``/sys/bus/counter/devices/counterX`` directory, +where ``X`` is to the respective counter device id. Please see +``Documentation/ABI/testing/sysfs-bus-counter`` for detailed information +on each Generic Counter interface sysfs attribute. + +Through these sysfs attributes, programs and scripts may interact with +the Generic Counter paradigm Counts, Signals, and Synapses of respective +counter devices. + +Counter Character Device +======================== + +Counter character device nodes are created under the ``/dev`` directory +as ``counterX``, where ``X`` is the respective counter device id. +Defines for the standard Counter data types are exposed via the +userspace ``include/uapi/linux/counter.h`` file. + +Counter events +-------------- +Counter device drivers can support Counter events by utilizing the +``counter_push_event`` function:: + + void counter_push_event(struct counter_device *const counter, const u8 event, + const u8 channel); + +The event id is specified by the ``event`` parameter; the event channel +id is specified by the ``channel`` parameter. When this function is +called, the Counter data associated with the respective event is +gathered, and a ``struct counter_event`` is generated for each datum and +pushed to userspace. + +Counter events can be configured by users to report various Counter +data of interest. This can be conceptualized as a list of Counter +component read calls to perform. For example:: + + +~~~~~~~~~~~~~~~~~~~~~~~~+~~~~~~~~~~~~~~~~~~~~~~~~+ + | COUNTER_EVENT_OVERFLOW | COUNTER_EVENT_INDEX | + +~~~~~~~~~~~~~~~~~~~~~~~~+~~~~~~~~~~~~~~~~~~~~~~~~+ + | Channel 0 | Channel 0 | + +------------------------+------------------------+ + | * Count 0 | * Signal 0 | + | * Count 1 | * Signal 0 Extension 0 | + | * Signal 3 | * Extension 4 | + | * Count 4 Extension 2 +------------------------+ + | * Signal 5 Extension 0 | Channel 1 | + | +------------------------+ + | | * Signal 4 | + | | * Signal 4 Extension 0 | + | | * Count 7 | + +------------------------+------------------------+ + +When ``counter_push_event(counter, COUNTER_EVENT_INDEX, 1)`` is called +for example, it will go down the list for the ``COUNTER_EVENT_INDEX`` +event channel 1 and execute the read callbacks for Signal 4, Signal 4 +Extension 0, and Count 4 -- the data returned for each is pushed to a +kfifo as a ``struct counter_event``, which userspace can retrieve via a +standard read operation on the respective character device node. + +Userspace +--------- +Userspace applications can configure Counter events via ioctl operations +on the Counter character device node. There following ioctl codes are +supported and provided by the ``linux/counter.h`` userspace header file: + +* COUNTER_ADD_WATCH_IOCTL: + Queues a Counter watch for the specified event. The queued watches + will not be applied until ``COUNTER_ENABLE_EVENTS_IOCTL`` is called. + +* COUNTER_ENABLE_EVENTS_IOCTL: + Enables monitoring the events specified by the Counter watches that + were queued by ``COUNTER_ADD_WATCH_IOCTL``. If events are already + enabled, the new set of watches replaces the old one. Calling this + ioctl also has the effect of clearing the queue of watches added by + ``COUNTER_ADD_WATCH_IOCTL``. + +* COUNTER_DISABLE_EVENTS_IOCTL: + Stops monitoring the previously enabled events. + +To configure events to gather Counter data, users first populate a +``struct counter_watch`` with the relevant event id, event channel id, +and the information for the desired Counter component from which to +read, and then pass it via the ``COUNTER_ADD_WATCH_IOCTL`` ioctl +command. + +Note that an event can be watched without gathering Counter data by +setting the ``component.type`` member equal to +``COUNTER_COMPONENT_NONE``. With this configuration the Counter +character device will simply populate the event timestamps for those +respective ``struct counter_event`` elements and ignore the component +value. + +The ``COUNTER_ADD_WATCH_IOCTL`` command will buffer these Counter +watches. When ready, the ``COUNTER_ENABLE_EVENTS_IOCTL`` ioctl command +may be used to activate these Counter watches. + +Userspace applications can then execute a ``read`` operation (optionally +calling ``poll`` first) on the Counter character device node to retrieve +``struct counter_event`` elements with the desired data. diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst index 96b2ae9f277f..bb57eac06f6b 100644 --- a/Documentation/userspace-api/ioctl/ioctl-number.rst +++ b/Documentation/userspace-api/ioctl/ioctl-number.rst @@ -88,6 +88,7 @@ Code Seq# Include File Comments <http://infiniband.sourceforge.net/> 0x20 all drivers/cdrom/cm206.h 0x22 all scsi/sg.h +0x3E 00-0F linux/counter.h <mailto:linux-iio@vger.kernel.org> '!' 00-1F uapi/linux/seccomp.h '#' 00-3F IEEE 1394 Subsystem Block for the entire subsystem -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-19 11:03 UTC|newest] Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-19 11:00 [PATCH v10 00/33] Introduce the Counter character device interface William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 01/33] docs: counter: Consolidate Counter sysfs attributes documentation William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 02/33] docs: counter: Fix spelling William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 03/33] counter: 104-quad-8: Remove pointless comment William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:13 ` Syed Nayyar Waris 2021-04-15 15:13 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 04/33] counter: 104-quad-8: Return error when invalid mode during ceiling_write William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:14 ` Syed Nayyar Waris 2021-04-15 15:14 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 05/33] counter: 104-quad-8: Annotate hardware config module parameter William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:15 ` Syed Nayyar Waris 2021-04-15 15:15 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 06/33] counter: 104-quad-8: Add const qualifiers for quad8_preset_register_set William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:16 ` Syed Nayyar Waris 2021-04-15 15:16 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 07/33] counter: 104-quad-8: Add const qualifier for functions_list array William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:17 ` Syed Nayyar Waris 2021-04-15 15:17 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 08/33] counter: interrupt-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 09/33] counter: microchip-tcb-capture: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 10/33] counter: stm32-lptimer-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:22 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:22 ` Fabrice Gasnier 2021-03-19 11:00 ` [PATCH v10 11/33] counter: stm32-timer-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:22 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:22 ` Fabrice Gasnier 2021-03-19 11:00 ` [PATCH v10 12/33] counter: 104-quad-8: Add const qualifier for actions_list array William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:18 ` Syed Nayyar Waris 2021-04-15 15:18 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 13/33] counter: ftm-quaddec: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 14/33] counter: interrupt-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 15/33] counter: microchip-tcb-capture: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 16/33] counter: stm32-lptimer-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:23 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:23 ` Fabrice Gasnier 2021-03-19 11:00 ` [PATCH v10 17/33] counter: stm32-timer-cnt: " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:24 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:24 ` Fabrice Gasnier 2021-03-19 11:00 ` [PATCH v10 18/33] counter: Return error code on invalid modes William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:26 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:26 ` Fabrice Gasnier 2021-04-15 15:19 ` Syed Nayyar Waris 2021-04-15 15:19 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 19/33] counter: Standardize to ERANGE for limit exceeded errors William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:29 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:29 ` Fabrice Gasnier 2021-04-15 15:20 ` Syed Nayyar Waris 2021-04-15 15:20 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 20/33] counter: Rename counter_signal_value to counter_signal_level William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:21 ` Syed Nayyar Waris 2021-04-15 15:21 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 21/33] counter: Rename counter_count_function to counter_function William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-22 16:31 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:31 ` Fabrice Gasnier 2021-04-15 15:22 ` Syed Nayyar Waris 2021-04-15 15:22 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 22/33] counter: Internalize sysfs interface code William Breathitt Gray 2021-03-22 16:44 ` [Linux-stm32] " Fabrice Gasnier 2021-03-22 16:44 ` Fabrice Gasnier 2021-03-23 9:17 ` William Breathitt Gray 2021-03-23 9:17 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 23/33] counter: Update counter.h comments to reflect sysfs internalization William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 24/33] docs: counter: Update " William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 25/33] counter: Move counter enums to uapi header William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 26/33] counter: Add character device interface William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray [this message] 2021-03-19 11:00 ` [PATCH v10 27/33] docs: counter: Document " William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 28/33] tools/counter: Create Counter tools William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 29/33] counter: Implement signalZ_action_component_id sysfs attribute William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 30/33] counter: Implement *_component_id sysfs attributes William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 31/33] counter: Implement events_queue_size sysfs attribute William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-03-19 11:00 ` [PATCH v10 32/33] counter: 104-quad-8: Replace mutex with spinlock William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:24 ` Syed Nayyar Waris 2021-04-15 15:24 ` Syed Nayyar Waris 2021-03-19 11:00 ` [PATCH v10 33/33] counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8 William Breathitt Gray 2021-03-19 11:00 ` William Breathitt Gray 2021-04-15 15:25 ` Syed Nayyar Waris 2021-04-15 15:25 ` Syed Nayyar Waris
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=c952fbc009b2ed34868f07c5dd7f7086c667be63.1616150619.git.vilhelm.gray@gmail.com \ --to=vilhelm.gray@gmail.com \ --cc=a.fatoum@pengutronix.de \ --cc=alexandre.belloni@bootlin.com \ --cc=alexandre.torgue@st.com \ --cc=david@lechnology.com \ --cc=fabrice.gasnier@st.com \ --cc=gwendal@chromium.org \ --cc=jic23@kernel.org \ --cc=kamel.bouhara@bootlin.com \ --cc=kernel@pengutronix.de \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-iio@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-stm32@st-md-mailman.stormreply.com \ --cc=mcoquelin.stm32@gmail.com \ --cc=o.rempel@pengutronix.de \ --cc=patrick.havelange@essensium.com \ --cc=syednwaris@gmail.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.