From patchwork Wed Nov 18 22:03:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 11915947 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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 126CDC64E7A for ; Wed, 18 Nov 2020 22:04:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD653246E3 for ; Wed, 18 Nov 2020 22:04:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727092AbgKRWEZ (ORCPT ); Wed, 18 Nov 2020 17:04:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726584AbgKRWEP (ORCPT ); Wed, 18 Nov 2020 17:04:15 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95F73C061A52 for ; Wed, 18 Nov 2020 14:04:14 -0800 (PST) Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kfVYg-00058x-Dt; Wed, 18 Nov 2020 23:04:10 +0100 Received: from mgr by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kfVYe-0000yo-CV; Wed, 18 Nov 2020 23:04:08 +0100 From: Michael Grzeschik To: netdev@vger.kernel.org Cc: andrew@lunn.ch, f.fainelli@gmail.com, davem@davemloft.net, kernel@pengutronix.de, matthias.schiffer@ew.tq-group.com, woojung.huh@microchip.com, UNGLinuxDriver@microchip.com Subject: [PATCH 06/11] net: dsa: microchip: ksz8795: use phy_port_cnt where possible Date: Wed, 18 Nov 2020 23:03:52 +0100 Message-Id: <20201118220357.22292-7-m.grzeschik@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201118220357.22292-1-m.grzeschik@pengutronix.de> References: <20201118220357.22292-1-m.grzeschik@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mgr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Since the driver can be used on more switches it needs to use flexible port count where ever possible. Signed-off-by: Michael Grzeschik Reviewed-by: Florian Fainelli --- v1: - based on "[PATCH v4 04/11] net: dsa: microchip: ksz8795: use port_cnt where possible" - lore: https://lore.kernel.org/netdev/20200803054442.20089-5-m.grzeschik@pengutronix.de/ --- drivers/net/dsa/microchip/ksz8795.c | 20 ++++++++++---------- drivers/net/dsa/microchip/ksz8795_reg.h | 3 --- 2 files changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 6ddba2de2d3026e..7114902495a0ebb 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -418,8 +418,8 @@ static void ksz8795_r_vlan_entries(struct ksz_device *dev, u16 addr) int i; ksz8795_r_table(dev, TABLE_VLAN, addr, &data); - addr *= 4; - for (i = 0; i < 4; i++) { + addr *= dev->phy_port_cnt; + for (i = 0; i < dev->phy_port_cnt; i++) { dev->vlan_cache[addr + i].table[0] = (u16)data; data >>= VLAN_TABLE_S; } @@ -433,7 +433,7 @@ static void ksz8795_r_vlan_table(struct ksz_device *dev, u16 vid, u16 *vlan) u64 buf; data = (u16 *)&buf; - addr = vid / 4; + addr = vid / dev->phy_port_cnt; index = vid & 3; ksz8795_r_table(dev, TABLE_VLAN, addr, &buf); *vlan = data[index]; @@ -447,7 +447,7 @@ static void ksz8795_w_vlan_table(struct ksz_device *dev, u16 vid, u16 vlan) u64 buf; data = (u16 *)&buf; - addr = vid / 4; + addr = vid / dev->phy_port_cnt; index = vid & 3; ksz8795_r_table(dev, TABLE_VLAN, addr, &buf); data[index] = vlan; @@ -691,12 +691,12 @@ static void ksz8795_port_stp_state_set(struct dsa_switch *ds, int port, switch (state) { case BR_STATE_DISABLED: data |= PORT_LEARN_DISABLE; - if (port < SWITCH_PORT_NUM) + if (port < dev->phy_port_cnt) member = 0; break; case BR_STATE_LISTENING: data |= (PORT_RX_ENABLE | PORT_LEARN_DISABLE); - if (port < SWITCH_PORT_NUM && + if (port < dev->phy_port_cnt && p->stp_state == BR_STATE_DISABLED) member = dev->host_mask | p->vid_member; break; @@ -720,7 +720,7 @@ static void ksz8795_port_stp_state_set(struct dsa_switch *ds, int port, break; case BR_STATE_BLOCKING: data |= PORT_LEARN_DISABLE; - if (port < SWITCH_PORT_NUM && + if (port < dev->phy_port_cnt && p->stp_state == BR_STATE_DISABLED) member = dev->host_mask | p->vid_member; break; @@ -1005,7 +1005,7 @@ static void ksz8795_config_cpu_port(struct dsa_switch *ds) ksz8795_port_setup(dev, dev->cpu_port, true); dev->member = dev->host_mask; - for (i = 0; i < SWITCH_PORT_NUM; i++) { + for (i = 0; i < dev->phy_port_cnt; i++) { p = &dev->ports[i]; /* Initialize to non-zero so that ksz_cfg_port_member() will @@ -1016,7 +1016,7 @@ static void ksz8795_config_cpu_port(struct dsa_switch *ds) ksz8795_port_stp_state_set(ds, i, BR_STATE_DISABLED); /* Last port may be disabled. */ - if (i == dev->port_cnt) + if (i == dev->phy_port_cnt) break; p->on = 1; p->phy = 1; @@ -1239,7 +1239,7 @@ static int ksz8795_switch_init(struct ksz_device *dev) dev->mib_cnt = ARRAY_SIZE(mib_names); dev->mib_port_cnt = TOTAL_PORT_NUM; - dev->phy_port_cnt = SWITCH_PORT_NUM; + dev->phy_port_cnt = dev->port_cnt; dev->cpu_port = dev->mib_port_cnt - 1; dev->host_mask = BIT(dev->cpu_port); diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index c131224850135bd..6377165a236fdf3 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -848,9 +848,6 @@ #define TOTAL_PORT_NUM 5 -/* Host port can only be last of them. */ -#define SWITCH_PORT_NUM (TOTAL_PORT_NUM - 1) - #define KSZ8795_COUNTER_NUM 0x20 /* Common names used by other drivers */