[PATCH 3/4] ptp: ptp_clockmatrix: Demote non-kernel-doc header to standard comment

Fixes the following W=1 kernel build warning(s):

 drivers/ptp/ptp_clockmatrix.c:1408: warning: Cannot understand  * @brief Maximum absolute value for write phase offset in picoseconds
 drivers/ptp/ptp_clockmatrix.c:1408: warning: Cannot understand  * @brief Maximum absolute value for write phase offset in picoseconds
 drivers/ptp/ptp_clockmatrix.c:1408: warning: Cannot understand  * @brief Maximum absolute value for write phase offset in picoseconds
 drivers/ptp/ptp_clockmatrix.c:1408: warning: Cannot understand  * @brief Maximum absolute value for write phase offset in picoseconds
 drivers/ptp/ptp_clockmatrix.c:1408: warning: Cannot understand  * @brief Maximum absolute value for write phase offset in picoseconds

Cc: Richard Cochran <richardcochran@gmail.com>
Cc: IDT-support-1588@lm.renesas.com
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <redacted>
---
 drivers/ptp/ptp_clockmatrix.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c
index 75463c2e2b867..fa636951169e5 100644
--- a/drivers/ptp/ptp_clockmatrix.c
+++ b/drivers/ptp/ptp_clockmatrix.c

@@ -1404,8 +1404,8 @@ static int idtcm_set_pll_mode(struct idtcm_channel *channel,
 
 /* PTP Hardware Clock interface */
 
-/**
- * @brief Maximum absolute value for write phase offset in picoseconds
+/*
+ * Maximum absolute value for write phase offset in picoseconds
  *
  * Destination signed register is 32-bit register in resolution of 50ps
  *

-- 
2.27.0