Re: [PATCH v2 0/5] platform/x86: int3472: don't use gpiod_toggle_active_low()

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On Wed, Oct 4, 2023 at 6:30 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Hi Bart,
>
> On 9/28/23 20:40, Bartosz Golaszewski wrote:
> > On Thu, 28 Sept 2023 at 14:40, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> >>
> >> Hi All,
> >>
> >> Here is a v2 of Bartosz' "don't use gpiod_toggle_active_low()" series.
> >>
> >> New in v2:
> >> - Rework to deal with ACPI path vs gpiod_lookup.key differences:
> >>   acpi_get_handle(path) -> acpi_fetch_acpi_dev(handle) -> acpi_dev_name(adev)
> >>
> >> Regards,
> >>
> >> Hans
> >>
> >>
> >> Bartosz Golaszewski (2):
> >>   platform/x86: int3472: Add new
> >>     skl_int3472_gpiod_get_from_temp_lookup() helper
> >>   gpio: acpi: remove acpi_get_and_request_gpiod()
> >>
> >> Hans de Goede (3):
> >>   platform/x86: int3472: Add new skl_int3472_fill_gpiod_lookup() helper
> >>   platform/x86: int3472: Stop using gpiod_toggle_active_low()
> >>   platform/x86: int3472: Switch to devm_get_gpiod()
> >>
> >>  drivers/gpio/gpiolib-acpi.c                   |  28 -----
> >>  .../x86/intel/int3472/clk_and_regulator.c     |  54 ++--------
> >>  drivers/platform/x86/intel/int3472/common.h   |   7 +-
> >>  drivers/platform/x86/intel/int3472/discrete.c | 101 ++++++++++++++----
> >>  drivers/platform/x86/intel/int3472/led.c      |  24 +----
> >>  include/linux/gpio/consumer.h                 |   8 --
> >>  6 files changed, 93 insertions(+), 129 deletions(-)
> >>
> >> --
> >> 2.41.0
> >>
> >
> > Thanks Hans, this looks good to me. I'd let it sit on the list for a
> > week. After that, do you want to take patches 1-4 and provide me with
> > another tag?
>
> I have just send out a v3 to address Andy's remark about me
> somehow resetting the authorship to me on 2 patches from Bartosz.
>
> While working on this I noticed (and fixed) a bug in:
>
> [RFT PATCH 1/4] platform/x86: int3472: provide a helper for getting GPIOs from lookups
> https://lore.kernel.org/all/20230926145943.42814-2-brgl@xxxxxxxx/
>
>         struct gpiod_lookup_table *lookup __free(kfree) =
>                         kzalloc(struct_size(lookup, table, 1), GFP_KERNEL);
>
> You are allocating an entry for the temp lookup, but the gpiolib
> core expects lookup tables to be terminated with an entry lookup,
> so this should alloc space for 2 entries:
>
>         struct gpiod_lookup_table *lookup __free(kfree) =
>                         kzalloc(struct_size(lookup, table, 2), GFP_KERNEL);
>
> Despite this already being fixed now I wanted to explicitly point
> this out in case you have used the same construct elsewhere during
> your recent gpiolib cleanup efforts ?
>
> As for your request for a tag for the 4st 4 patches for you to merge
> into gpiolib. I'll go and work work on that. I need to coordinate
> this with Ilpo, with whom I now co-maintain pdx86 .
>
> Regards,
>
> Hans
>
>

Gah, thank you for bringing this up, I need one fix for a SPI driver.

Bart




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