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SubjectRe: [PATCH v2 0/3] Introduce the ACCES IDIO-16 GPIO library module
On Sun, Sep 18, 2022 at 9:54 PM William Breathitt Gray
<william.gray@linaro.org> wrote:
>
> Changes in v2:
> - Added offset check for last byte of inputs in idio_16_get() for
> robustness
> - Replaced hardcoded '16' with IDIO_16_NOUT constant in idio_16_get*()
> - Renamed IDIO_16 namespace to GPIO_IDIO_16; adjusted 104-idio-16 and
> pci-idio-16 drivers accordingly
> - Utilized DEFAULT_SYMBOL_NAMESPACE to simplify namespace exports
> - Refactored callbacks to utilize cached output states; idio_16_get()
> callback now requires struct idio_16_state state; adjusted
> 104-idio-16 and pci-idio-16 drivers accordingly
> - Moved bitmap_fill() to after idio_16_state_init() in idio_16_probe()
> to prevent clobbering out_state if the implementation of
> idio_16_state_init changes in the future
> - Adjusted offset checks in idio_16_set() and idio_16_get_direction()
> to ">= IDIO_16_NOUT" for consistency
> - Utilized __assign_bit() in idio_16_set()
> - Refactored idio_16_*_multiple() callbacks to utilize bitmap_replace()
>
> In a similar vein as the Intel 8255 interface library module [0], the
> ACCES IDIO-16 GPIO library module is introduced to consolidate much of
> the shared code between the existing 104-IDIO-16 and PCI-IDIO-16 GPIO
> drivers.
>
> The idio-16 module exposes consumer library functions to facilitate
> communication with devices within the ACCES IDIO-16 family such as the
> 104-IDIO-16 and the PCI-IDIO-16.
>
> A CONFIG_GPIO_IDIO_16 Kconfig option is introduced by this patch.
> Modules wanting access to these idio-16 library functions should select
> this Kconfig option and import the GPIO_IDIO_16 symbol namespace.
>
> [0] https://lore.kernel.org/all/d1a24895f2ea67f689c24c34a20ddb43cd7246af.1658324498.git.william.gray@linaro.org/
>
> William Breathitt Gray (3):
> gpio: idio-16: Introduce the ACCES IDIO-16 GPIO library module
> gpio: 104-idio-16: Utilize the idio-16 GPIO library
> gpio: pci-idio-16: Utilize the idio-16 GPIO library
>
> MAINTAINERS | 7 ++
> drivers/gpio/Kconfig | 11 +++
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-104-idio-16.c | 88 ++++---------------
> drivers/gpio/gpio-idio-16.c | 146 ++++++++++++++++++++++++++++++++
> drivers/gpio/gpio-idio-16.h | 71 ++++++++++++++++
> drivers/gpio/gpio-pci-idio-16.c | 119 +++-----------------------
> 7 files changed, 265 insertions(+), 178 deletions(-)
> create mode 100644 drivers/gpio/gpio-idio-16.c
> create mode 100644 drivers/gpio/gpio-idio-16.h
>
>
> base-commit: d9e7f0e320516c660d6f33e6c16a3d99970eb14e
> --
> 2.37.3
>

This series looks good to me, Andy do you have any objections?
Otherwise, I'll queue it soon.

Bartosz

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