From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=115.124.28.217 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793848502; b=CYZTy3k2PvTAlbBv7Xm8OsYoxR5IXK77Pp9SGIH7ctTnnD/s1ozCkhzbIOuqGwv4e8lN TNe62Ln9DPzL/6hccF2dBzd8l2YpCQr1N/mSeL1nMOjeCrCXsdsTzUjoaH0eZVBBjCP7d UGFml8kwzyj8uRd+c7vTByE4b/WdOoWU7Q0y2Om2EMXrSVYkH78Z1+J9i0VLjdTqGJIV3 HI/641EsWltX1ZaVO4e+WXV3CByHBl5oHsYoq80CHwSdEdrk2aVjpvcuDX3UIFwTFaL1M e5u6OGqwHlO8EkjCz5rqFcCCHl3fX1xVX9UQB1JMkwtgfJOd3Th7G3QX2n+MmKz6ZQg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793848502; h=DMARC-Filter:X-Alimail-AntiSpam:Received:From:To:Cc:Subject:Date: Message-Id:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=x9iSpbhGIj8JBA245J5cxgtHj7UMy2YV69ktT0NZPQU=; b=I39g6h19ueFGtb+CiPeXprTol6q7CrPje33m1rlJxHHY9o9Aa3GdGN4gaE3RWbI57fP9 0Mq009LtVCBfrzpnI7aWVYgyrUBX38CI/83dc+Tvv5TEy7pkcgEewpQKz3qkcyZIP80rl 1rPSiahXWdj1TwVivytmb+AoTZD2SzjqWXDtLHaArifVNEf+fHI2q/8oRH+uiHsxrWy8n VszqQzBLlsa0M4uy4rxnSIsRv7rOwG0DL6wouHbWOMbMAo5YDHLTgjBVG+tnY1yW60Qo3 Dyg5xcxt+59LFVE0cUTOJwzr93HeGNX4GeJO5LmA+vpc1Jrnjc6DLC4D6aqfkzLBbEg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=motor-comm.com; spf=pass smtp.mailfrom=motor-comm.com; arc=none smtp.remote-ip=115.124.28.217 Received: from out28-217.mail.aliyun.com (out28-217.mail.aliyun.com [115.124.28.217]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91EA8606A329; Thu, 5 Nov 2026 03:15:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 91EA8606A329 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=motor-comm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=motor-comm.com X-Alimail-AntiSpam:AC=CONTINUE;BC=0.07452728|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_system_inform|0.138644-0.000463989-0.860892;FP=13861984445566424724|0|0|0|0|-1|-1|-1;HT=maildocker-contentspam033037071049;MF=kyle.switch@motor-comm.com;NM=1;PH=DS;RN=16;RT=16;SR=0;TI=SMTPD_---.jx7-i05_1793848490; Received: from motor-comm.com(mailfrom:kyle.switch@motor-comm.com fp:SMTPD_---.jx7-i05_1793848490 cluster:ay29) by smtp.aliyun-inc.com; Thu, 05 Nov 2026 11:14:50 +0800 From: Kyle Switch To: andrew@lunn.ch, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mmyangfl@gmail.com, horms@kernel.org, linux@armlinux.org.uk, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ming.xu@motor-comm.com, xiaolin.xu@motor-comm.com, jianmin.wang@motor-comm.com, wei.zhang@gl-inet.com, sijia.huang@gl-inet.com Subject: [PATCH net-next v17 1/5] net: dsa: motorcomm: initialize dsa_switch based on chipid Date: Thu, 5 Nov 2026 11:14:38 +0800 Message-Id: <20261105031442.4164960-2-kyle.switch@motor-comm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20261105031442.4164960-1-kyle.switch@motor-comm.com> References: <20261105031442.4164960-1-kyle.switch@motor-comm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Replace the hardcoded chip handling in yt92xx_register_switch() with a data-driven loopup based on the chip ID. Reviewed-by: Andrew Lunn Signed-off-by: Kyle Switch --- drivers/net/dsa/motorcomm/chip.c | 73 ++++++++++++++++++++++++++++---- drivers/net/dsa/motorcomm/chip.h | 19 +++++++++ 2 files changed, 84 insertions(+), 8 deletions(-) diff --git a/drivers/net/dsa/motorcomm/chip.c b/drivers/net/dsa/motorcomm/chip.c index 33e5fc127244..2dd4240ee246 100644 --- a/drivers/net/dsa/motorcomm/chip.c +++ b/drivers/net/dsa/motorcomm/chip.c @@ -2574,6 +2574,67 @@ static const struct dsa_switch_ops yt921x_dsa_switch_ops = { .setup = yt921x_dsa_setup, }; +static const struct yt92xx_series yt92xx_series_table[] = { + [YT92XX_MODE_YT921X] = { + .name = "YT921x", + .max_ports = YT921X_PORT_NUM, + .num_lag_ids = YT921X_LAG_NUM, + .ageing_time_min = 1 * 5000, + .ageing_time_max = U16_MAX * 5000, + .dscp_prio_mapping_is_global = true, + .assisted_learning_on_cpu_port = true, + .switch_ops = &yt921x_dsa_switch_ops, + .mac_ops = &yt921x_phylink_mac_ops + }, +}; + +static const struct yt92xx_series *yt92xx_series_lookup(u32 major) +{ + if (major == YT9215_MAJOR || major == YT9218_MAJOR) + return &yt92xx_series_table[YT92XX_MODE_YT921X]; + else + return NULL; +} + +static int yt92xx_register_switch(struct dsa_switch *ds) +{ + struct yt921x_priv *priv = dsa_to_yt921x_priv(ds); + struct device *dev = yt921x_priv_to_device(priv); + const struct yt92xx_series *series; + u32 chipid; + u32 major; + int res; + + mutex_lock(&priv->reg_lock); + res = yt921x_reg_read(priv, YT921X_CHIP_ID, &chipid); + mutex_unlock(&priv->reg_lock); + if (res) { + dev_err(dev, "Unexpected chipid 0x%x\n", chipid); + return res; + } + + major = FIELD_GET(YT921X_CHIP_ID_MAJOR, chipid); + series = yt92xx_series_lookup(major); + if (!series) { + dev_err(dev, "Undefined series info for the corresponding major\n"); + return -ENODEV; + } + priv->series = series; + + ds->assisted_learning_on_cpu_port = + priv->series->assisted_learning_on_cpu_port; + ds->dscp_prio_mapping_is_global = + priv->series->dscp_prio_mapping_is_global; + ds->ageing_time_min = priv->series->ageing_time_min; + ds->ageing_time_max = priv->series->ageing_time_max; + ds->num_lag_ids = priv->series->num_lag_ids; + ds->num_ports = priv->series->max_ports; + ds->ops = priv->series->switch_ops; + ds->phylink_mac_ops = priv->series->mac_ops; + + return 0; +} + static void yt921x_mdio_shutdown(struct mdio_device *mdiodev) { struct yt921x_priv *priv = mdiodev_get_drvdata(mdiodev); @@ -2616,6 +2677,7 @@ static int yt921x_mdio_probe(struct mdio_device *mdiodev) struct yt921x_reg_mdio *mdio; struct yt921x_priv *priv; struct dsa_switch *ds; + int res; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) @@ -2642,15 +2704,10 @@ static int yt921x_mdio_probe(struct mdio_device *mdiodev) ds = &priv->ds; ds->dev = dev; - ds->assisted_learning_on_cpu_port = true; - ds->dscp_prio_mapping_is_global = true; ds->priv = priv; - ds->ops = &yt921x_dsa_switch_ops; - ds->ageing_time_min = 1 * 5000; - ds->ageing_time_max = U16_MAX * 5000; - ds->phylink_mac_ops = &yt921x_phylink_mac_ops; - ds->num_lag_ids = YT921X_LAG_NUM; - ds->num_ports = YT921X_PORT_NUM; + res = yt92xx_register_switch(ds); + if (res) + return res; mdiodev_set_drvdata(mdiodev, priv); diff --git a/drivers/net/dsa/motorcomm/chip.h b/drivers/net/dsa/motorcomm/chip.h index fc315f1d8f87..fd6a0021e98e 100644 --- a/drivers/net/dsa/motorcomm/chip.h +++ b/drivers/net/dsa/motorcomm/chip.h @@ -503,9 +503,28 @@ static inline u16 yt921x_info_ports_mask(const struct yt921x_info *info) return info->internal_mask | info->xmii_mask | info->serdes_mask; } +enum yt92xx_mode { + YT92XX_MODE_YT921X, + YT92XX_MODE_YT922X, + YT92XX_MODE_MAX, +}; + +struct yt92xx_series { + const char *name; + unsigned int max_ports; + unsigned int num_lag_ids; + unsigned int ageing_time_min; + unsigned int ageing_time_max; + u32 dscp_prio_mapping_is_global; + u32 assisted_learning_on_cpu_port; + const struct dsa_switch_ops *switch_ops; + const struct phylink_mac_ops *mac_ops; +}; + struct yt921x_priv { struct dsa_switch ds; + const struct yt92xx_series *series; const struct yt921x_info *info; unsigned int meter_slot_ns; unsigned int port_shape_slot_ns; -- 2.25.1