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Date: Sat, 16 Oct 2021 20:33:39 -0500 From: David Lechner <david@...hnology.com> To: linux-iio@...r.kernel.org Cc: David Lechner <david@...hnology.com>, William Breathitt Gray <vilhelm.gray@...il.com>, Robert Nelson <robertcnelson@...il.com>, linux-kernel@...r.kernel.org Subject: [PATCH 4/8] docs: counter: add unit timer sysfs attributes This documents new unit timer sysfs attributes for the counter subsystem. Signed-off-by: David Lechner <david@...hnology.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@...r.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@...r.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@...r.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@...r.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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