From patchwork Mon May 30 10:42:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Ramadoss X-Patchwork-Id: 12864513 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C37B3C433F5 for ; Mon, 30 May 2022 10:44:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235364AbiE3Kn4 (ORCPT ); Mon, 30 May 2022 06:43:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235330AbiE3Kny (ORCPT ); Mon, 30 May 2022 06:43:54 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 970F37C174; Mon, 30 May 2022 03:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1653907419; x=1685443419; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FpYsCWC+30aXZIz3b7yNzZn1MmMwXyIwSgDyVY2tRfY=; b=cleXRr4MMLAgB0Vtd2goNq7ksezlL78p/trlmMdz838IFXxM4vNRb/iX +1dmLuRLSMLt81x7oD3CAsLzLQTJUIrUBXmsN+Iksfw9HIXdT/sYbUWox Gq40ACPNZvLxekmUEn3npm9TcoWANozCNpHqiJ4jSQExvALxPAaUdsMoT TRMs9PWtX71KHAP91mkLR1btQsFOPt2ovIHTaCmXVdVqkiHL4uCOXEdTG uHcGAM78BzOwzBX8fA2xyyybfgEyk1vk6KzWJKJVb90EvMnIh9zOxBdLC Qa4+nYMDagPS7TXQ625ro+bUpOo0CsaGGGoP74qU22O8h1FwTHy5j8EEs g==; X-IronPort-AV: E=Sophos;i="5.91,262,1647327600"; d="scan'208";a="175663004" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 30 May 2022 03:43:39 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 30 May 2022 03:43:38 -0700 Received: from CHE-LT-I17769U.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Mon, 30 May 2022 03:43:34 -0700 From: Arun Ramadoss To: , CC: Woojung Huh , , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Russell King" Subject: [RFC Patch net-next v2 03/15] net: dsa: microchip: move tag_protocol & phy read/write to ksz_common Date: Mon, 30 May 2022 16:12:45 +0530 Message-ID: <20220530104257.21485-4-arun.ramadoss@microchip.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220530104257.21485-1-arun.ramadoss@microchip.com> References: <20220530104257.21485-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC This patch move the dsa hook get_tag_protocol to ksz_common file. And the tag_protocol is returned based on the dev->chip_id. ksz8795 and ksz9477 implementation on phy read/write hooks are different. This patch modifies the ksz9477 implementation same as ksz8795 by updating the ksz9477_dev_ops structure. Signed-off-by: Arun Ramadoss --- drivers/net/dsa/microchip/ksz8795.c | 13 +-------- drivers/net/dsa/microchip/ksz9477.c | 37 ++++++++------------------ drivers/net/dsa/microchip/ksz_common.c | 24 +++++++++++++++++ drivers/net/dsa/microchip/ksz_common.h | 2 ++ 4 files changed, 38 insertions(+), 38 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 927db57d02db..6e5f665fa1f6 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -898,17 +898,6 @@ static void ksz8_w_phy(struct ksz_device *dev, u16 phy, u16 reg, u16 val) } } -static enum dsa_tag_protocol ksz8_get_tag_protocol(struct dsa_switch *ds, - int port, - enum dsa_tag_protocol mp) -{ - struct ksz_device *dev = ds->priv; - - /* ksz88x3 uses the same tag schema as KSZ9893 */ - return ksz_is_ksz88x3(dev) ? - DSA_TAG_PROTO_KSZ9893 : DSA_TAG_PROTO_KSZ8795; -} - static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port) { /* Silicon Errata Sheet (DS80000830A): @@ -1394,7 +1383,7 @@ static void ksz8_get_caps(struct dsa_switch *ds, int port, } static const struct dsa_switch_ops ksz8_switch_ops = { - .get_tag_protocol = ksz8_get_tag_protocol, + .get_tag_protocol = ksz_get_tag_protocol, .get_phy_flags = ksz8_sw_get_phy_flags, .setup = ksz8_setup, .phy_read = ksz_phy_read16, diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 7d3c8f6908b6..4fb96e53487e 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -276,21 +276,8 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port) mutex_unlock(&mib->cnt_mutex); } -static enum dsa_tag_protocol ksz9477_get_tag_protocol(struct dsa_switch *ds, - int port, - enum dsa_tag_protocol mp) +static void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data) { - enum dsa_tag_protocol proto = DSA_TAG_PROTO_KSZ9477; - struct ksz_device *dev = ds->priv; - - if (dev->features & IS_9893) - proto = DSA_TAG_PROTO_KSZ9893; - return proto; -} - -static int ksz9477_phy_read16(struct dsa_switch *ds, int addr, int reg) -{ - struct ksz_device *dev = ds->priv; u16 val = 0xffff; /* No real PHY after this. Simulate the PHY. @@ -335,24 +322,20 @@ static int ksz9477_phy_read16(struct dsa_switch *ds, int addr, int reg) ksz_pread16(dev, addr, 0x100 + (reg << 1), &val); } - return val; + *data = val; } -static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg, - u16 val) +static void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val) { - struct ksz_device *dev = ds->priv; - /* No real PHY after this. */ if (addr >= dev->phy_port_cnt) - return 0; + return; /* No gigabit support. Do not write to this register. */ if (!(dev->features & GBIT_SUPPORT) && reg == MII_CTRL1000) - return 0; - ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val); + return; - return 0; + ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val); } static void ksz9477_cfg_port_member(struct ksz_device *dev, int port, @@ -1326,10 +1309,10 @@ static int ksz9477_setup(struct dsa_switch *ds) } static const struct dsa_switch_ops ksz9477_switch_ops = { - .get_tag_protocol = ksz9477_get_tag_protocol, + .get_tag_protocol = ksz_get_tag_protocol, .setup = ksz9477_setup, - .phy_read = ksz9477_phy_read16, - .phy_write = ksz9477_phy_write16, + .phy_read = ksz_phy_read16, + .phy_write = ksz_phy_write16, .phylink_mac_link_down = ksz_mac_link_down, .phylink_get_caps = ksz9477_get_caps, .port_enable = ksz_enable_port, @@ -1417,6 +1400,8 @@ static const struct ksz_dev_ops ksz9477_dev_ops = { .cfg_port_member = ksz9477_cfg_port_member, .flush_dyn_mac_table = ksz9477_flush_dyn_mac_table, .port_setup = ksz9477_port_setup, + .r_phy = ksz9477_r_phy, + .w_phy = ksz9477_w_phy, .r_mib_cnt = ksz9477_r_mib_cnt, .r_mib_pkt = ksz9477_r_mib_pkt, .r_mib_stat64 = ksz_r_mib_stats64, diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 9057cdb5971c..a43b01c2e67f 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -930,6 +930,30 @@ void ksz_port_stp_state_set(struct dsa_switch *ds, int port, } EXPORT_SYMBOL_GPL(ksz_port_stp_state_set); +enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, + int port, enum dsa_tag_protocol mp) +{ + struct ksz_device *dev = ds->priv; + enum dsa_tag_protocol proto; + + if (dev->chip_id == KSZ8795_CHIP_ID || + dev->chip_id == KSZ8794_CHIP_ID || + dev->chip_id == KSZ8765_CHIP_ID) + proto = DSA_TAG_PROTO_KSZ8795; + + if (dev->chip_id == KSZ8830_CHIP_ID || + dev->chip_id == KSZ9893_CHIP_ID) + proto = DSA_TAG_PROTO_KSZ9893; + + if (dev->chip_id == KSZ9477_CHIP_ID || + dev->chip_id == KSZ9897_CHIP_ID || + dev->chip_id == KSZ9567_CHIP_ID) + proto = DSA_TAG_PROTO_KSZ9477; + + return proto; +} +EXPORT_SYMBOL_GPL(ksz_get_tag_protocol); + static int ksz_switch_detect(struct ksz_device *dev) { u8 id1, id2; diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index d16c095cdefb..f253f3f22386 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -231,6 +231,8 @@ int ksz_port_mdb_del(struct dsa_switch *ds, int port, int ksz_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy); void ksz_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *buf); +enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, + int port, enum dsa_tag_protocol mp); /* Common register access functions */