Re: [PATCH 1/3] counter: i8254: Introduce the Intel 8254 interface library module

[William Breathitt Gray <wbg@kernel.org>]

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On Sun, Apr 16, 2023 at 01:36:53PM -0400, William Breathitt Gray wrote:
> Exposes consumer library functions providing support for interfaces
> compatible with the venerable Intel 8254 Programmable Interval Timer
> (PIT).
> 
> The Intel 8254 PIT first appeared in the early 1980s and was used
> initially in IBM PC compatibles. The popularity of the original Intel
> 825x family of chips led to many subsequent variants and clones of the
> interface in various chips and integrated circuits. Although still
> popular, interfaces compatible with the Intel 8254 PIT are nowdays
> typically found embedded in larger VLSI processing chips and FPGA
> components rather than as discrete ICs.
> 
> A CONFIG_I8254 Kconfig option is introduced by this patch. Modules
> wanting access to these i8254 library functions should select this
> Kconfig option, and import the I8254 symbol namespace.
> 
> Signed-off-by: William Breathitt Gray <william.gray@linaro.org>

I've queued this patch to the counter-next branch of my Counter tree.

Jonathan, Bart, I've created an immutable branch with just this patch
for you to pull which should allow you each to merge the other patch in
this patchset for your respective tree.

The following changes since commit ac9a78681b921877518763ba0e89202254349d1b:

  Linux 6.4-rc1 (2023-05-07 13:34:35 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/wbg/counter.git tags/i8254

for you to fetch changes up to b923ba2c0829a1a22151139309b4ae5d47a99d34:

  counter: i8254: Introduce the Intel 8254 interface library module (2023-06-08 10:14:10 -0400)

----------------------------------------------------------------
counter: i8254: Introduce the Intel 8254 interface library module

This exposes consumer library functions providing support for interfaces
compatible with the venerable Intel 8254 Programmable Interval Timer.

----------------------------------------------------------------
William Breathitt Gray (1):
      counter: i8254: Introduce the Intel 8254 interface library module

 Documentation/ABI/testing/sysfs-bus-counter |  54 ++++
 MAINTAINERS                                 |   7 +
 drivers/counter/Kconfig                     |  15 +
 drivers/counter/Makefile                    |   1 +
 drivers/counter/counter-sysfs.c             |   8 +-
 drivers/counter/i8254.c                     | 447 ++++++++++++++++++++++++++++
 include/linux/i8254.h                       |  21 ++
 include/uapi/linux/counter.h                |   6 +
 8 files changed, 558 insertions(+), 1 deletion(-)
 create mode 100644 drivers/counter/i8254.c
 create mode 100644 include/linux/i8254.h

Sincerely,

William Breathitt Gray

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