Re: [PATCH v6 0/3] gpio: generic regmap implementation

From: Andy Shevchenko
Date: Thu May 28 2020 - 11:12:05 EST


On Thu, May 28, 2020 at 5:59 PM Michael Walle <michael@xxxxxxxx> wrote:
>
> This series is a split off of the sl28cpld series:
> https://lore.kernel.org/linux-gpio/20200423174543.17161-1-michael@xxxxxxxx/
>
> I wasn't sure if I should also include the gpiochip_irqchip_add_domain()
> patch here. So feel free to skip it. OTOH if you use interrupts with
> gpio-regmap it is quite handy.
>
> For an actual user see the patch 11/16 ("gpio: add support for the sl28cpld
> GPIO controller") of the series above.
>

v6 looks pretty much good to me, thanks!

Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

> Changes since v5:
> - add names property
> - addressed Alex' remarks:
> - moved header from i/l/gpio-regmap.h to i/l/gpio/regmap.h
> - fixed kernel doc
> - described rules how to use the register base offsets
> - missing forward declarations
> - style changes
> - return -EOPNOTSUPP, in code path we should never reach
> - added check to have input and output base regs if there is a direction
> register
> - added MAINTAINERS patch
>
> Changes since v4:
> - add comment about can_sleep
> - fix config->label typo
> - add config->names property
>
> Changes since v3:
> - set reg_dat_base, that was actually broken
> - fix typo
> - fix swapped reg_in_dir/reg_out_dir documentation
> - use "goto err" in error path in gpio_regmap_register()
>
> Michael Walle (3):
> gpiolib: Introduce gpiochip_irqchip_add_domain()
> gpio: add a reusable generic gpio_chip using regmap
> MAINTAINERS: Add gpio regmap section
>
> MAINTAINERS | 6 +
> drivers/gpio/Kconfig | 4 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-regmap.c | 349 ++++++++++++++++++++++++++++++++++++
> drivers/gpio/gpiolib.c | 20 +++
> include/linux/gpio/driver.h | 3 +
> include/linux/gpio/regmap.h | 86 +++++++++
> 7 files changed, 469 insertions(+)
> create mode 100644 drivers/gpio/gpio-regmap.c
> create mode 100644 include/linux/gpio/regmap.h
>
> --
> 2.20.1
>


--
With Best Regards,
Andy Shevchenko