net: phy: dp83640: use new PTP_MSGTYPE_SYNC define

Replace use of magic number with recently introduced define.

Signed-off-by: Christian Eggers <ceggers@arri.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index f1001ae1df51e5daa6b9fa8177a4f39a3208648f..0d79f68f301c6146aa06bcfdfa0bf7e0e13d78ad 100644 (file)
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -972,15 +972,12 @@ static void decode_status_frame(struct dp83640_private *dp83640,
 static int is_sync(struct sk_buff *skb, int type)
 {
        struct ptp_header *hdr;
-       u8 msgtype;
 
        hdr = ptp_parse_header(skb, type);
        if (!hdr)
                return 0;
 
-       msgtype = ptp_get_msgtype(hdr, type);
-
-       return (msgtype & 0xf) == 0;
+       return ptp_get_msgtype(hdr, type) == PTP_MSGTYPE_SYNC;
 }
 
 static void dp83640_free_clocks(void)