The ICN ISDN driver was removed in commit 02bbd9802da7
("staging: i4l: delete the whole thing"), but the icn= kernel
parameter documentation was left behind.

Assisted-by: Claude:claude-opus-4-6
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 41c657cd362c..6e21d8638d77 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2245,9 +2245,6 @@ Kernel parameters
 			syscalls, essentially overriding IA32_EMULATION_DEFAULT_DISABLED at
 			boot time. When false, unconditionally disables IA32 emulation.
 
-	icn=		[HW,ISDN]
-			Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
-
 
 	idle=		[X86,EARLY]
 			Format: idle=poll, idle=halt, idle=nomwait
-- 
2.53.0

On Fri,  1 May 2026 21:26:30 +0300 Costa Shulyupin wrote:
> The ICN ISDN driver was removed in commit 02bbd9802da7
> ("staging: i4l: delete the whole thing"), but the icn= kernel
> parameter documentation was left behind.
> 
> Assisted-by: Claude:claude-opus-4-6
> Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>

Acked-by: Jakub Kicinski <kuba@kernel.org>

Jon, since linux-doc got CCed I suppose it's most expedient for you to
take this? LMK if you prefer us to handle it via netdev.

Jakub Kicinski <kuba@kernel.org> writes:

> On Fri,  1 May 2026 21:26:30 +0300 Costa Shulyupin wrote:
>> The ICN ISDN driver was removed in commit 02bbd9802da7
>> ("staging: i4l: delete the whole thing"), but the icn= kernel
>> parameter documentation was left behind.
>> 
>> Assisted-by: Claude:claude-opus-4-6
>> Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
>
> Acked-by: Jakub Kicinski <kuba@kernel.org>
>
> Jon, since linux-doc got CCed I suppose it's most expedient for you to
> take this? LMK if you prefer us to handle it via netdev.

I'll pick it up, no worries.

Thanks,

jon

On 5/1/26 11:26 AM, Costa Shulyupin wrote:
> The ICN ISDN driver was removed in commit 02bbd9802da7
> ("staging: i4l: delete the whole thing"), but the icn= kernel
> parameter documentation was left behind.
> 
> Assisted-by: Claude:claude-opus-4-6
> Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
> ---
>  Documentation/admin-guide/kernel-parameters.txt | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 41c657cd362c..6e21d8638d77 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -2245,9 +2245,6 @@ Kernel parameters
>  			syscalls, essentially overriding IA32_EMULATION_DEFAULT_DISABLED at
>  			boot time. When false, unconditionally disables IA32 emulation.
>  
> -	icn=		[HW,ISDN]
> -			Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
> -
>  
>  	idle=		[X86,EARLY]
>  			Format: idle=poll, idle=halt, idle=nomwait

The pcbit (ISDN) driver has also been removed.
Would you also delete this line:

	pcbit=		[HW,ISDN]

-- 
~Randy

On 5/1/26 11:26, Costa Shulyupin wrote:
> The ICN ISDN driver was removed in commit 02bbd9802da7
> ("staging: i4l: delete the whole thing"), but the icn= kernel
> parameter documentation was left behind.
> 
> Assisted-by: Claude:claude-opus-4-6

You might also want to ask Claude to help you with your cc list. ;)

https://claude.ai/share/ba8d193d-d20c-409f-9f77-5e582e6a06a7

get_maintainer.pl is useful, but not to be blindly trusted, please.