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    Subject[PATCH 4/8] docs: counter: add unit timer sysfs attributes
    Date
    This documents new unit timer sysfs attributes for the counter
    subsystem.

    Signed-off-by: David Lechner <david@lechnology.com>
    ---
    Documentation/ABI/testing/sysfs-bus-counter | 24 +++++++++++++++++++++
    drivers/counter/ti-eqep.c | 2 +-
    2 files changed, 25 insertions(+), 1 deletion(-)

    diff --git a/Documentation/ABI/testing/sysfs-bus-counter b/Documentation/ABI/testing/sysfs-bus-counter
    index 06c2b3e27e0b..37d960a8cb1b 100644
    --- a/Documentation/ABI/testing/sysfs-bus-counter
    +++ b/Documentation/ABI/testing/sysfs-bus-counter
    @@ -218,6 +218,9 @@ What: /sys/bus/counter/devices/counterX/signalY/cable_fault_enable_component_id
    What: /sys/bus/counter/devices/counterX/signalY/filter_clock_prescaler_component_id
    What: /sys/bus/counter/devices/counterX/signalY/index_polarity_component_id
    What: /sys/bus/counter/devices/counterX/signalY/synchronous_mode_component_id
    +What: /sys/bus/counter/devices/unit_timer_enable_component_id
    +What: /sys/bus/counter/devices/unit_timer_period_component_id
    +What: /sys/bus/counter/devices/unit_timer_time_component_id
    KernelVersion: 5.16
    Contact: linux-iio@vger.kernel.org
    Description:
    @@ -345,3 +348,24 @@ Description:
    via index_polarity. The index function (as enabled via
    preset_enable) is performed synchronously with the
    quadrature clock on the active level of the index input.
    +
    +What: /sys/bus/counter/devices/unit_timer_enable
    +KernelVersion: 5.16
    +Contact: linux-iio@vger.kernel.org
    +Description:
    + Read/write attribute that starts or stops the unit timer. Valid
    + values are boolean.
    +
    +What: /sys/bus/counter/devices/unit_timer_period
    +KernelVersion: 5.16
    +Contact: linux-iio@vger.kernel.org
    +Description:
    + Read/write attribute that selects the unit timer timeout in
    + nanoseconds.
    +
    +What: /sys/bus/counter/devices/unit_timer_time
    +KernelVersion: 5.16
    +Contact: linux-iio@vger.kernel.org
    +Description:
    + Read/write attribute that indicates the current time of the
    + unit timer in nanoseconds.
    diff --git a/drivers/counter/ti-eqep.c b/drivers/counter/ti-eqep.c
    index a4a5a4486329..1ba7f3c7cb7e 100644
    --- a/drivers/counter/ti-eqep.c
    +++ b/drivers/counter/ti-eqep.c
    @@ -680,7 +680,7 @@ static int ti_eqep_probe(struct platform_device *pdev)
    pm_runtime_get_sync(dev);

    /*
    - * We can end up with an interupt infinite loop (interrupts triggered
    + * We can end up with an interrupt infinite loop (interrupts triggered
    * as soon as they are cleared) if we leave these at the default value
    * of 0 and events are enabled.
    */
    --
    2.25.1
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