netdev - [PATCH 11/20] ethernet: jme: convert tasklets to use new tasklet

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Date:   Mon, 17 Aug 2020 13:54:25 +0530
From:   Allen Pais <allen.lkml@...il.com>
To:     jes@...ined-monkey.org, davem@...emloft.net, kuba@...nel.org,
        kda@...ux-powerpc.org, dougmill@...ux.ibm.com,
        cooldavid@...ldavid.org, mlindner@...vell.com, borisp@...lanox.com
Cc:     keescook@...omium.org, linux-acenic@...site.dk,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org, linux-rdma@...r.kernel.org,
        oss-drivers@...ronome.com, Allen Pais <allen.lkml@...il.com>,
        Romain Perier <romain.perier@...il.com>
Subject: [PATCH 11/20] ethernet: jme: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@...il.com>
Signed-off-by: Allen Pais <allen.lkml@...il.com>
---
 drivers/net/ethernet/jme.c | 40 +++++++++++++++-----------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index ddc757680089..e9efe074edc1 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1187,9 +1187,9 @@ jme_shutdown_nic(struct jme_adapter *jme)
 }
 
 static void
-jme_pcc_tasklet(unsigned long arg)
+jme_pcc_tasklet(struct tasklet_struct *t)
 {
-	struct jme_adapter *jme = (struct jme_adapter *)arg;
+	struct jme_adapter *jme = from_tasklet(jme, t, pcc_task);
 	struct net_device *netdev = jme->dev;
 
 	if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) {
@@ -1265,10 +1265,9 @@ jme_stop_shutdown_timer(struct jme_adapter *jme)
 	jwrite32f(jme, JME_APMC, apmc);
 }
 
-static void
-jme_link_change_tasklet(unsigned long arg)
+static void jme_link_change_tasklet(struct tasklet_struct *t)
 {
-	struct jme_adapter *jme = (struct jme_adapter *)arg;
+	struct jme_adapter *jme = from_tasklet(jme, t, linkch_task);
 	struct net_device *netdev = jme->dev;
 	int rc;
 
@@ -1345,9 +1344,9 @@ jme_link_change_tasklet(unsigned long arg)
 }
 
 static void
-jme_rx_clean_tasklet(unsigned long arg)
+jme_rx_clean_tasklet(struct tasklet_struct *t)
 {
-	struct jme_adapter *jme = (struct jme_adapter *)arg;
+	struct jme_adapter *jme = from_tasklet(jme, t, rxclean_task);
 	struct dynpcc_info *dpi = &(jme->dpi);
 
 	jme_process_receive(jme, jme->rx_ring_size);
@@ -1380,9 +1379,9 @@ jme_poll(JME_NAPI_HOLDER(holder), JME_NAPI_WEIGHT(budget))
 }
 
 static void
-jme_rx_empty_tasklet(unsigned long arg)
+jme_rx_empty_tasklet(struct tasklet_struct *t)
 {
-	struct jme_adapter *jme = (struct jme_adapter *)arg;
+	struct jme_adapter *jme = from_tasklet(jme, t, rxempty_task);
 
 	if (unlikely(atomic_read(&jme->link_changing) != 1))
 		return;
@@ -1392,7 +1391,7 @@ jme_rx_empty_tasklet(unsigned long arg)
 
 	netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n");
 
-	jme_rx_clean_tasklet(arg);
+	jme_rx_clean_tasklet(&jme->rxclean_task);
 
 	while (atomic_read(&jme->rx_empty) > 0) {
 		atomic_dec(&jme->rx_empty);
@@ -1416,10 +1415,9 @@ jme_wake_queue_if_stopped(struct jme_adapter *jme)
 
 }
 
-static void
-jme_tx_clean_tasklet(unsigned long arg)
+static void jme_tx_clean_tasklet(struct tasklet_struct *t)
 {
-	struct jme_adapter *jme = (struct jme_adapter *)arg;
+	struct jme_adapter *jme = from_tasklet(jme, t, txclean_task);
 	struct jme_ring *txring = &(jme->txring[0]);
 	struct txdesc *txdesc = txring->desc;
 	struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi;
@@ -1834,14 +1832,10 @@ jme_open(struct net_device *netdev)
 	jme_clear_pm_disable_wol(jme);
 	JME_NAPI_ENABLE(jme);
 
-	tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
-		     (unsigned long) jme);
-	tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet,
-		     (unsigned long) jme);
-	tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet,
-		     (unsigned long) jme);
-	tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet,
-		     (unsigned long) jme);
+	tasklet_setup(&jme->linkch_task, jme_link_change_tasklet);
+	tasklet_setup(&jme->txclean_task, jme_tx_clean_tasklet);
+	tasklet_setup(&jme->rxclean_task, jme_rx_clean_tasklet);
+	tasklet_setup(&jme->rxempty_task, jme_rx_empty_tasklet);
 
 	rc = jme_request_irq(jme);
 	if (rc)
@@ -3040,9 +3034,7 @@ jme_init_one(struct pci_dev *pdev,
 	atomic_set(&jme->tx_cleaning, 1);
 	atomic_set(&jme->rx_empty, 1);
 
-	tasklet_init(&jme->pcc_task,
-		     jme_pcc_tasklet,
-		     (unsigned long) jme);
+	tasklet_setup(&jme->pcc_task, jme_pcc_tasklet);
 	jme->dpi.cur = PCC_P1;
 
 	jme->reg_ghc = 0;
-- 
2.17.1