timer: Remove init_timer_deferrable() in favor of timer_setup()

This refactors the only users of init_timer_deferrable() to use
the new timer_setup() and from_timer(). Removes definition of
init_timer_deferrable().

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David S. Miller <davem@davemloft.net> # for networking parts
Acked-by: Sebastian Reichel <sre@kernel.org> # for drivers/hsi parts
Cc: linux-mips@linux-mips.org
Cc: Petr Mladek <pmladek@suse.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: linux1394-devel@lists.sourceforge.net
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: linux-s390@vger.kernel.org
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Ursula Braun <ubraun@linux.vnet.ibm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Harish Patil <harish.patil@cavium.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Manish Chopra <manish.chopra@cavium.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-pm@vger.kernel.org
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Mark Gross <mark.gross@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-wireless@vger.kernel.org
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Michael Reed <mdr@sgi.com>
Cc: netdev@vger.kernel.org
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lkml.kernel.org/r/1507159627-127660-6-git-send-email-keescook@chromium.org

3 files changed, 11 insertions, 17 deletions

diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 9feec7009443..29fea74bff2e 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -4725,9 +4725,9 @@ static const struct net_device_ops qlge_netdev_ops = {
 	.ndo_vlan_rx_kill_vid	= qlge_vlan_rx_kill_vid,
 };
 
-static void ql_timer(unsigned long data)
+static void ql_timer(struct timer_list *t)
 {
-	struct ql_adapter *qdev = (struct ql_adapter *)data;
+	struct ql_adapter *qdev = from_timer(qdev, t, timer);
 	u32 var = 0;
 
 	var = ql_read32(qdev, STS);
@@ -4806,11 +4806,8 @@ static int qlge_probe(struct pci_dev *pdev,
 	/* Start up the timer to trigger EEH if
 	 * the bus goes dead
 	 */
-	init_timer_deferrable(&qdev->timer);
-	qdev->timer.data = (unsigned long)qdev;
-	qdev->timer.function = ql_timer;
-	qdev->timer.expires = jiffies + (5*HZ);
-	add_timer(&qdev->timer);
+	timer_setup(&qdev->timer, ql_timer, TIMER_DEFERRABLE);
+	mod_timer(&qdev->timer, jiffies + (5*HZ));
 	ql_link_off(qdev);
 	ql_display_dev_info(ndev);
 	atomic_set(&qdev->lb_count, 0);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index d7c49cf1d5e9..3247d2feda07 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2325,9 +2325,9 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
 }
 
 /* Walk the forwarding table and purge stale entries */
-static void vxlan_cleanup(unsigned long arg)
+static void vxlan_cleanup(struct timer_list *t)
 {
-	struct vxlan_dev *vxlan = (struct vxlan_dev *) arg;
+	struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer);
 	unsigned long next_timer = jiffies + FDB_AGE_INTERVAL;
 	unsigned int h;
 
@@ -2647,9 +2647,7 @@ static void vxlan_setup(struct net_device *dev)
 	INIT_LIST_HEAD(&vxlan->next);
 	spin_lock_init(&vxlan->hash_lock);
 
-	init_timer_deferrable(&vxlan->age_timer);
-	vxlan->age_timer.function = vxlan_cleanup;
-	vxlan->age_timer.data = (unsigned long) vxlan;
+	timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE);
 
 	vxlan->dev = dev;
 
diff --git a/drivers/net/wireless/ath/ath6kl/recovery.c b/drivers/net/wireless/ath/ath6kl/recovery.c
index 3a8d5e97dc8e..c09e40c9010f 100644
--- a/drivers/net/wireless/ath/ath6kl/recovery.c
+++ b/drivers/net/wireless/ath/ath6kl/recovery.c
@@ -60,9 +60,9 @@ void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie)
 		ar->fw_recovery.hb_pending = false;
 }
 
-static void ath6kl_recovery_hb_timer(unsigned long data)
+static void ath6kl_recovery_hb_timer(struct timer_list *t)
 {
-	struct ath6kl *ar = (struct ath6kl *) data;
+	struct ath6kl *ar = from_timer(ar, t, fw_recovery.hb_timer);
 	int err;
 
 	if (test_bit(RECOVERY_CLEANUP, &ar->flag) ||
@@ -104,9 +104,8 @@ void ath6kl_recovery_init(struct ath6kl *ar)
 	recovery->seq_num = 0;
 	recovery->hb_misscnt = 0;
 	ar->fw_recovery.hb_pending = false;
-	ar->fw_recovery.hb_timer.function = ath6kl_recovery_hb_timer;
-	ar->fw_recovery.hb_timer.data = (unsigned long) ar;
-	init_timer_deferrable(&ar->fw_recovery.hb_timer);
+	timer_setup(&ar->fw_recovery.hb_timer, ath6kl_recovery_hb_timer,
+		    TIMER_DEFERRABLE);
 
 	if (ar->fw_recovery.hb_poll)
 		mod_timer(&ar->fw_recovery.hb_timer, jiffies +