From patchwork Wed Nov 18 22:03:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 327819 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 C4D1EC64E7D 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 8DF21246E1 for ; Wed, 18 Nov 2020 22:04:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727127AbgKRWEb (ORCPT ); Wed, 18 Nov 2020 17:04:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53188 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726524AbgKRWEP (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 91019C061A51 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-000591-E0; 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-0000z0-EK; 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 10/11] net: dsa: microchip: ksz8795: dynamic allocate memory for flush_dyn_mac_table Date: Wed, 18 Nov 2020 23:03:56 +0100 Message-Id: <20201118220357.22292-11-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 To get the driver working with other chips using different port counts the dyn_mac_table should be flushed depending on the amount of physical ports. Signed-off-by: Michael Grzeschik Reviewed-by: Florian Fainelli --- v1: - based on "[PATCH v4 05/11] net: dsa: microchip: ksz8795: dynamica allocate memory for flush_dyn_mac_table" - lore: https://lore.kernel.org/netdev/20200803054442.20089-6-m.grzeschik@pengutronix.de/ --- drivers/net/dsa/microchip/ksz8795.c | 8 ++++++-- drivers/net/dsa/microchip/ksz8795_reg.h | 2 -- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 9ea5ec61513023f..418f71e5b90761c 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -750,11 +750,14 @@ static void ksz8795_port_stp_state_set(struct dsa_switch *ds, int port, static void ksz8795_flush_dyn_mac_table(struct ksz_device *dev, int port) { - u8 learn[TOTAL_PORT_NUM]; int first, index, cnt; struct ksz_port *p; + u8 *learn = kzalloc(dev->port_cnt, GFP_KERNEL); - if ((uint)port < TOTAL_PORT_NUM) { + if (!learn) + return; + + if ((uint)port < dev->port_cnt) { first = port; cnt = port + 1; } else { @@ -779,6 +782,7 @@ static void ksz8795_flush_dyn_mac_table(struct ksz_device *dev, int port) if (!(learn[index] & PORT_LEARN_DISABLE)) ksz_pwrite8(dev, index, P_STP_CTRL, learn[index]); } + kfree(learn); } static int ksz8795_port_vlan_filtering(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/microchip/ksz8795_reg.h b/drivers/net/dsa/microchip/ksz8795_reg.h index 6377165a236fdf3..681d19ab27b89da 100644 --- a/drivers/net/dsa/microchip/ksz8795_reg.h +++ b/drivers/net/dsa/microchip/ksz8795_reg.h @@ -846,8 +846,6 @@ #define KS_PRIO_IN_REG 4 -#define TOTAL_PORT_NUM 5 - #define KSZ8795_COUNTER_NUM 0x20 /* Common names used by other drivers */