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[98.128.229.160]) by smtp.gmail.com with ESMTPSA id t13-20020a05651c204d00b00266d3f689e1sm4879261ljo.43.2022.09.19.04.08.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Sep 2022 04:08:56 -0700 (PDT) From: Mattias Forsblad To: netdev@vger.kernel.org Cc: Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux@armlinux.org.uk, ansuelsmth@gmail.com, Mattias Forsblad Subject: [PATCH net-next v14 7/7] net: dsa: qca8k: Use new convenience functions Date: Mon, 19 Sep 2022 13:08:47 +0200 Message-Id: <20220919110847.744712-8-mattias.forsblad@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220919110847.744712-1-mattias.forsblad@gmail.com> References: <20220919110847.744712-1-mattias.forsblad@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use the new common convenience functions for sending and waiting for frames. Reviewed-by: Florian Fainelli Signed-off-by: Mattias Forsblad --- drivers/net/dsa/qca/qca8k-8xxx.c | 68 +++++++++++--------------------- 1 file changed, 24 insertions(+), 44 deletions(-) diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index c181346388a4..a4ec0d0e608d 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -160,7 +160,7 @@ static void qca8k_rw_reg_ack_handler(struct dsa_switch *ds, struct sk_buff *skb) QCA_HDR_MGMT_DATA2_LEN); } - complete(&mgmt_eth_data->rw_done); + dsa_switch_inband_complete(ds, &mgmt_eth_data->rw_done); } static struct sk_buff *qca8k_alloc_mdio_header(enum mdio_cmd cmd, u32 reg, u32 *val, @@ -228,6 +228,7 @@ static void qca8k_mdio_header_fill_seq_num(struct sk_buff *skb, u32 seq_num) static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) { struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; + struct dsa_switch *ds = priv->ds; struct sk_buff *skb; bool ack; int ret; @@ -248,17 +249,13 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) skb->dev = priv->mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the mdio pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - msecs_to_jiffies(QCA8K_ETHERNET_TIMEOUT)); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); *val = mgmt_eth_data->data[0]; if (len > QCA_HDR_MGMT_DATA1_LEN) @@ -280,6 +277,7 @@ static int qca8k_read_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) { struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; + struct dsa_switch *ds = priv->ds; struct sk_buff *skb; bool ack; int ret; @@ -300,17 +298,13 @@ static int qca8k_write_eth(struct qca8k_priv *priv, u32 reg, u32 *val, int len) skb->dev = priv->mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the mdio pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - msecs_to_jiffies(QCA8K_ETHERNET_TIMEOUT)); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -441,24 +435,22 @@ static struct regmap_config qca8k_regmap_config = { }; static int -qca8k_phy_eth_busy_wait(struct qca8k_mgmt_eth_data *mgmt_eth_data, +qca8k_phy_eth_busy_wait(struct qca8k_priv *priv, struct sk_buff *read_skb, u32 *val) { + struct qca8k_mgmt_eth_data *mgmt_eth_data = &priv->mgmt_eth_data; struct sk_buff *skb = skb_copy(read_skb, GFP_KERNEL); + struct dsa_switch *ds = priv->ds; bool ack; int ret; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the copy pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -480,6 +472,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, struct sk_buff *write_skb, *clear_skb, *read_skb; struct qca8k_mgmt_eth_data *mgmt_eth_data; u32 write_val, clear_val = 0, val; + struct dsa_switch *ds = priv->ds; struct net_device *mgmt_master; int ret, ret1; bool ack; @@ -540,17 +533,13 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, clear_skb->dev = mgmt_master; write_skb->dev = mgmt_master; - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the write pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(write_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(write_skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, write_skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -569,7 +558,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, ret = read_poll_timeout(qca8k_phy_eth_busy_wait, ret1, !(val & QCA8K_MDIO_MASTER_BUSY), 0, QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC, false, - mgmt_eth_data, read_skb, &val); + priv, read_skb, &val); if (ret < 0 && ret1 < 0) { ret = ret1; @@ -577,17 +566,14 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, } if (read) { - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the read pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(read_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(read_skb); - - ret = wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + ret = dsa_switch_inband_tx(ds, read_skb, + &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); ack = mgmt_eth_data->ack; @@ -606,17 +592,13 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, kfree_skb(read_skb); } exit: - reinit_completion(&mgmt_eth_data->rw_done); - /* Increment seq_num and set it in the clear pkt */ mgmt_eth_data->seq++; qca8k_mdio_header_fill_seq_num(clear_skb, mgmt_eth_data->seq); mgmt_eth_data->ack = false; - dev_queue_xmit(clear_skb); - - wait_for_completion_timeout(&mgmt_eth_data->rw_done, - QCA8K_ETHERNET_TIMEOUT); + dsa_switch_inband_tx(ds, clear_skb, &mgmt_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); mutex_unlock(&mgmt_eth_data->mutex); @@ -1528,7 +1510,7 @@ static void qca8k_mib_autocast_handler(struct dsa_switch *ds, struct sk_buff *sk exit: /* Complete on receiving all the mib packet */ if (refcount_dec_and_test(&mib_eth_data->port_parsed)) - complete(&mib_eth_data->rw_done); + dsa_switch_inband_complete(ds, &mib_eth_data->rw_done); } static int @@ -1543,8 +1525,6 @@ qca8k_get_ethtool_stats_eth(struct dsa_switch *ds, int port, u64 *data) mutex_lock(&mib_eth_data->mutex); - reinit_completion(&mib_eth_data->rw_done); - mib_eth_data->req_port = dp->index; mib_eth_data->data = data; refcount_set(&mib_eth_data->port_parsed, QCA8K_NUM_PORTS); @@ -1562,8 +1542,8 @@ qca8k_get_ethtool_stats_eth(struct dsa_switch *ds, int port, u64 *data) if (ret) goto exit; - ret = wait_for_completion_timeout(&mib_eth_data->rw_done, QCA8K_ETHERNET_TIMEOUT); - + ret = dsa_switch_inband_tx(ds, NULL, &mib_eth_data->rw_done, + QCA8K_ETHERNET_TIMEOUT); exit: mutex_unlock(&mib_eth_data->mutex); -- 2.25.1