Subject: [PATCH 01/20] ethernet: alteon: convert tasklets to use new tasklet_setup() API

From: Allen Pais <[email-masked]>
Date: Mon, 17 Aug 2020 13:54:14 +0530

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 <[email-masked]>
Signed-off-by: Allen Pais <[email-masked]>
---
 drivers/net/ethernet/alteon/acenic.c | 9 +++++----
 drivers/net/ethernet/alteon/acenic.h | 2 +-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c
index ac86fcae1582..8a4c2319953d 100644
--- a/drivers/net/ethernet/alteon/acenic.c
+++ b/drivers/net/ethernet/alteon/acenic.c
@@ -1562,10 +1562,11 @@ static void ace_watchdog(struct net_device *data, unsigned int txqueue)
 }

-static void ace_tasklet(unsigned long arg)
+static void ace_tasklet(struct tasklet_struct *t)
 {
-	struct net_device *dev = (struct net_device *) arg;
-	struct ace_private *ap = netdev_priv(dev);
+	struct ace_private *ap = from_tasklet(ap, t, ace_tasklet);
+	struct net_device *dev = (struct net_device *)((char *)ap -
+				ALIGN(sizeof(struct net_device), NETDEV_ALIGN));
 	int cur_size;
 
 	cur_size = atomic_read(&ap->cur_rx_bufs);
@@ -2269,7 +2270,7 @@ static int ace_open(struct net_device *dev)
 	/*
 	 * Setup the bottom half rx ring refill handler
 	 */
-	tasklet_init(&ap->ace_tasklet, ace_tasklet, (unsigned long)dev);
+	tasklet_setup(&ap->ace_tasklet, ace_tasklet);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/alteon/acenic.h b/drivers/net/ethernet/alteon/acenic.h
index c670067b1541..4b02c705859c 100644
--- a/drivers/net/ethernet/alteon/acenic.h
+++ b/drivers/net/ethernet/alteon/acenic.h
@@ -776,7 +776,7 @@ static int ace_open(struct net_device *dev);
 static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 				  struct net_device *dev);
 static int ace_close(struct net_device *dev);
-static void ace_tasklet(unsigned long dev);
+static void ace_tasklet(struct tasklet_struct *t);
 static void ace_dump_trace(struct ace_private *ap);
 static void ace_set_multicast_list(struct net_device *dev);
 static int ace_change_mtu(struct net_device *dev, int new_mtu);
-- 
2.17.1