linux-kernel - Re: [PATCH] ACPI: resource: Add JWIPC JVC9100 to irq1_level_low_skip

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAJZ5v0hV+0_U=+DibrzqbRhV2=GRWJ4x18h_W-t8de-5euSuVQ@mail.gmail.com>
Date: Wed, 14 Jan 2026 17:27:32 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Ai Chao <aichao@...inos.cn>
Cc: rafael@...nel.org, lenb@...nel.org, linux-acpi@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: resource: Add JWIPC JVC9100 to irq1_level_low_skip_override[]

On Tue, Jan 13, 2026 at 8:27 AM Ai Chao <aichao@...inos.cn> wrote:
>
> Like the JWIPC JVC9100 has its serial IRQ (10 and 11) described
> as ActiveLow in the DSDT, which the kernel overrides to EdgeHigh which
> breaks the serial.
>
> irq 10, level, active-low, shared, skip-override
> irq 11, level, active-low, shared, skip-override
>
> Add the JVC9100 to the irq1_level_low_skip_override[] quirk table to fix
> this.
>
> Signed-off-by: Ai Chao <aichao@...inos.cn>
> ---
>  drivers/acpi/resource.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
> index d16906f46484..bc8050d8a6f5 100644
> --- a/drivers/acpi/resource.c
> +++ b/drivers/acpi/resource.c
> @@ -532,6 +532,12 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
>                         DMI_MATCH(DMI_BOARD_NAME, "16T90SP"),
>                 },
>         },
> +       {
> +               /* JWIPC JVC9100 */
> +               .matches = {
> +                       DMI_MATCH(DMI_BOARD_NAME, "JVC9100"),
> +               },
> +       },
>         { }
>  };
>
> @@ -706,6 +712,8 @@ struct irq_override_cmp {
>
>  static const struct irq_override_cmp override_table[] = {
>         { irq1_level_low_skip_override, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
> +       { irq1_level_low_skip_override, 10, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 1, false },
> +       { irq1_level_low_skip_override, 11, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 1, false },
>         { irq1_edge_low_force_override, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
>  };
>
> --

Applied as 6.20 material, thanks!