[PATCH] checkpatch.pl: adapt to new Assisted-by: format

There is a new format for the 'Assisted-by:' tag. Change checkpatch.pl
to just check that it has a value rather than testing for a specific
format.

Assisted-by: LLM
Signed-off-by: Jeff Layton <[email protected]>
---
This is a companion patch to the one to change the format in
Documentation/. See:

    https://lore.kernel.org/workflows/[email protected]/
---
 scripts/checkpatch.pl | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2b7a42bbdd94..7961d9584bc5 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3124,11 +3124,12 @@ sub process {
 				}
 			}
 
-			# Assisted-by uses AGENT_NAME:MODEL_VERSION format, not email
+			# Assisted-by uses a free-form value (e.g. "LLM"), not an
+			# email address, so skip the email format checks below.
 			if ($sign_off =~ /^Assisted-by:/i) {
-				if ($email !~ /^\S+:\S+/) {
+				if ($email =~ /^\s*$/) {
 					WARN("BAD_SIGN_OFF",
-					     "Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format\n" . $herecurr);
+					     "Assisted-by requires a value\n" . $herecurr);
 				}
 				next;
 			}

---
base-commit: 848acc8ffe1b7cd5f1bf427b93069becfebc2c9d
change-id: 20260804-checkpatch-87402d649095

Best regards,
-- 
Jeff Layton <[email protected]>