From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vivien Didelot Subject: [PATCH net-next 2/9] net: dsa: mv88e6xxx: skip unused ports Date: Thu, 26 Oct 2017 11:22:52 -0400 Message-ID: <20171026152259.3123-3-vivien.didelot@savoirfairelinux.com> References: <20171026152259.3123-1-vivien.didelot@savoirfairelinux.com> Cc: linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, "David S. Miller" , Florian Fainelli , Andrew Lunn , Vivien Didelot To: netdev@vger.kernel.org Return-path: Received: from mail.savoirfairelinux.com ([208.88.110.44]:44298 "EHLO mail.savoirfairelinux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932275AbdJZPXO (ORCPT ); Thu, 26 Oct 2017 11:23:14 -0400 In-Reply-To: <20171026152259.3123-1-vivien.didelot@savoirfairelinux.com> Sender: netdev-owner@vger.kernel.org List-ID: The unused ports are currently configured in normal mode. This does not prevent the switch from being functional, but it is unnecessary. Skip unused ports. Signed-off-by: Vivien Didelot --- drivers/net/dsa/mv88e6xxx/chip.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 677d6902807e..2d8cf66e8f74 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2005,6 +2005,9 @@ static int mv88e6xxx_setup(struct dsa_switch *ds) /* Setup Switch Port Registers */ for (i = 0; i < mv88e6xxx_num_ports(chip); i++) { + if (dsa_is_unused_port(ds, i)) + continue; + err = mv88e6xxx_setup_port(chip, i); if (err) goto unlock; -- 2.14.3