[PATCH 07/10] pinctrl: realtek: Initialise omitted offset fields to NA in config macros

[Linus Walleij]

On Tue, Nov 3, 2026 at 10:31 PM Lee Jones <lee at kernel.org> wrote:

> The Realtek pinctrl driver uses NA (0xffffffff) as the sentinel for
> unsupported pin configuration features.  However, RTK_PIN_CONFIG omits
> input_volt_offset, slew_rate_offset, and hvil_offset, and
> RTK_PIN_CONFIG_V2 omits slew_rate_offset and hvil_offset.  Because C99
> designated initialisers zero-initialise omitted members, those fields
> default to 0 instead of NA, causing rtd_pconf_parse_conf() to treat
> unsupported features as valid at bit offset base_bit + 0 and corrupt
> adjacent register bits.
>
> Explicitly initialise the omitted offset fields to NA in RTK_PIN_CONFIG
> and RTK_PIN_CONFIG_V2.
>
> Fixes: dcc9334435b0 ("pinctrl: realtek: add support for slew rate, input voltage and high VIL")
> Fixes: e309dbd523b8 ("pinctrl: realtek: add rtd1625 pinctrl driver")
> Closes: https://sashiko.dev/#/bug/linux-fbd0bf54-6dba-4652-9418-270b11fb6d8b
> Cc: stable at vger.kernel.org
> Signed-off-by: Lee Jones <lee at kernel.org>

This patch 7/10 applied to the pinctrl tree for fixes.

Yours,
Linus Walleij