On Wed, 16 May 2018 13:52:39 -0400 William Breathitt Gray <[email protected]> wrote:
> This patch removes the IIO counter subdirectory which is now superceded > by the Counter subsystem. Deprecation warnings are added to the > documentation of the relevant IIO counter sysfs attributes. > > Signed-off-by: William Breathitt Gray <[email protected]> Please drop the directory when it becomes empty rather than in a later patch. IIRC there are some issues with empty Makefiles that will make building inbetween tricky. For the deprecated markings. Acked-by: Jonathan Cameron <[email protected]> > --- > Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++ > .../ABI/testing/sysfs-bus-iio-counter-104-quad-8 | 16 ++++++++++++++++ > drivers/iio/Kconfig | 1 - > drivers/iio/Makefile | 1 - > drivers/iio/counter/Kconfig | 8 -------- > drivers/iio/counter/Makefile | 5 ----- > 6 files changed, 24 insertions(+), 15 deletions(-) > delete mode 100644 drivers/iio/counter/Kconfig > delete mode 100644 drivers/iio/counter/Makefile > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio > b/Documentation/ABI/testing/sysfs-bus-iio > index 731146c3b138..6115d97b075e 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -1637,6 +1637,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_raw > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Raw counter device counts from channel Y. For quadrature > counters, multiplication by an available [Y]_scale results in > the counts of a single quadrature signal phase from channel Y. > @@ -1645,6 +1647,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_indexY_raw > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Raw counter device index value from channel Y. This attribute > provides an absolute positional reference (e.g. a pulse once per > revolution) which may be used to home positional systems as > @@ -1654,6 +1658,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available > KernelVersion: 4.12 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > A list of possible counting directions which are: > - "up" : counter device is increasing. > - "down": counter device is decreasing. > @@ -1662,4 +1668,6 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction > KernelVersion: 4.12 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Raw counter device counters direction for channel Y. > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 > b/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 > index 7fac2c268d9a..bac3d0d48b7b 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 > +++ b/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 > @@ -6,6 +6,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_index_synchronous_mode_available > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Discrete set of available values for the respective counter > configuration are listed in this file. > > @@ -13,6 +15,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_count_mode > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Count mode for channel Y. Four count modes are available: > normal, range limit, non-recycle, and modulo-n. The preset value > for channel Y is used by the count mode where required. > @@ -47,6 +51,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_noise_error > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Read-only attribute that indicates whether excessive noise is > present at the channel Y count inputs in quadrature clock mode; > irrelevant in non-quadrature clock mode. > @@ -55,6 +61,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_preset > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > If the counter device supports preset registers, the preset > count for channel Y is provided by this attribute. > > @@ -62,6 +70,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_quadrature_mode > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Configure channel Y counter for non-quadrature or quadrature > clock mode. Selecting non-quadrature clock mode will disable > synchronous load mode. In quadrature clock mode, the channel Y > @@ -83,6 +93,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_countY_set_to_preset_on_index > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Whether to set channel Y counter with channel Y preset value > when channel Y index input is active, or continuously count. > Valid attribute values are boolean. > @@ -91,6 +103,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_indexY_index_polarity > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Active level of channel Y index input; irrelevant in > non-synchronous load mode. > > @@ -98,6 +112,8 @@ What: > /sys/bus/iio/devices/iio:deviceX/in_indexY_synchronous_mode > KernelVersion: 4.10 > Contact: [email protected] > Description: > + This interface is deprecated; please use the Counter subsystem. > + > Configure channel Y counter for non-synchronous or synchronous > load mode. Synchronous load mode cannot be selected in > non-quadrature clock mode. > diff --git a/drivers/iio/Kconfig b/drivers/iio/Kconfig > index d69e85a8bdc3..1152efad91a1 100644 > --- a/drivers/iio/Kconfig > +++ b/drivers/iio/Kconfig > @@ -74,7 +74,6 @@ source "drivers/iio/afe/Kconfig" > source "drivers/iio/amplifiers/Kconfig" > source "drivers/iio/chemical/Kconfig" > source "drivers/iio/common/Kconfig" > -source "drivers/iio/counter/Kconfig" > source "drivers/iio/dac/Kconfig" > source "drivers/iio/dummy/Kconfig" > source "drivers/iio/frequency/Kconfig" > diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile > index d8cba9c229c0..7bdd31f1b88f 100644 > --- a/drivers/iio/Makefile > +++ b/drivers/iio/Makefile > @@ -20,7 +20,6 @@ obj-y += amplifiers/ > obj-y += buffer/ > obj-y += chemical/ > obj-y += common/ > -obj-y += counter/ > obj-y += dac/ > obj-y += dummy/ > obj-y += gyro/ > diff --git a/drivers/iio/counter/Kconfig b/drivers/iio/counter/Kconfig > deleted file mode 100644 > index 95a7a0df6cac..000000000000 > --- a/drivers/iio/counter/Kconfig > +++ /dev/null > @@ -1,8 +0,0 @@ > -# > -# Counter devices > -# > -# When adding new entries keep the list in alphabetical order > - > -menu "Counters" > - > -endmenu > diff --git a/drivers/iio/counter/Makefile b/drivers/iio/counter/Makefile > deleted file mode 100644 > index 8fd3d954775a..000000000000 > --- a/drivers/iio/counter/Makefile > +++ /dev/null > @@ -1,5 +0,0 @@ > -# > -# Makefile for IIO counter devices > -# > - > -# When adding new entries keep the list in alphabetical order
