From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6D88C10F00 for ; Sat, 23 Feb 2019 00:36:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C2C862075C for ; Sat, 23 Feb 2019 00:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727385AbfBWAgz (ORCPT ); Fri, 22 Feb 2019 19:36:55 -0500 Received: from esa6.microchip.iphmx.com ([216.71.154.253]:8700 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727132AbfBWAgy (ORCPT ); Fri, 22 Feb 2019 19:36:54 -0500 X-IronPort-AV: E=Sophos;i="5.58,401,1544511600"; d="scan'208";a="24330002" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 22 Feb 2019 17:36:54 -0700 Received: from localhost.localdomain (10.10.76.4) by chn-sv-exch07.mchp-main.com (10.10.76.108) with Microsoft SMTP Server id 14.3.352.0; Fri, 22 Feb 2019 17:36:53 -0700 From: To: Sergio Paracuellos , Andrew Lunn , Florian Fainelli , Pavel Machek CC: Tristram Ha , , Subject: [PATCH v4 net-next 3/5] net: dsa: microchip: get port link status Date: Fri, 22 Feb 2019 16:36:49 -0800 Message-ID: <1550882211-10381-4-git-send-email-Tristram.Ha@microchip.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1550882211-10381-1-git-send-email-Tristram.Ha@microchip.com> References: <1550882211-10381-1-git-send-email-Tristram.Ha@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tristram Ha Get port link status to know whether to read MIB counters when the link is going down. Signed-off-by: Tristram Ha Reviewed-by: Andrew Lunn --- drivers/net/dsa/microchip/ksz9477.c | 1 + drivers/net/dsa/microchip/ksz_common.c | 14 ++++++++++++++ drivers/net/dsa/microchip/ksz_common.h | 2 ++ 3 files changed, 17 insertions(+) diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 94cd385..1b8267c 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1196,6 +1196,7 @@ static int ksz9477_setup(struct dsa_switch *ds) .setup = ksz9477_setup, .phy_read = ksz9477_phy_read16, .phy_write = ksz9477_phy_write16, + .adjust_link = ksz_adjust_link, .port_enable = ksz_enable_port, .port_disable = ksz_disable_port, .get_strings = ksz9477_get_strings, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index eecfbf3..0589fc7 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -140,6 +140,20 @@ int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val) } EXPORT_SYMBOL_GPL(ksz_phy_write16); +void ksz_adjust_link(struct dsa_switch *ds, int port, + struct phy_device *phydev) +{ + struct ksz_device *dev = ds->priv; + struct ksz_port *p = &dev->ports[port]; + + /* Read all MIB counters when the link is going down. */ + if (!phydev->link) { + p->read = true; + schedule_work(&dev->mib_read); + } +} +EXPORT_SYMBOL_GPL(ksz_adjust_link); + int ksz_sset_count(struct dsa_switch *ds, int port, int sset) { struct ksz_device *dev = ds->priv; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index f45a553..eb29bb0 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -14,6 +14,8 @@ int ksz_phy_read16(struct dsa_switch *ds, int addr, int reg); int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val); +void ksz_adjust_link(struct dsa_switch *ds, int port, + struct phy_device *phydev); int ksz_sset_count(struct dsa_switch *ds, int port, int sset); void ksz_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *buf); int ksz_port_bridge_join(struct dsa_switch *ds, int port, -- 1.9.1