chelsio: Convert timers to use timer_setup()
authorKees Cook <keescook@chromium.org>
Tue, 17 Oct 2017 00:29:08 +0000 (17:29 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 18 Oct 2017 11:39:38 +0000 (12:39 +0100)
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/chelsio/cxgb/sge.c

index 75e4399..30de26e 100644 (file)
@@ -1882,10 +1882,10 @@ send:
 /*
  * Callback for the Tx buffer reclaim timer.  Runs with softirqs disabled.
  */
-static void sge_tx_reclaim_cb(unsigned long data)
+static void sge_tx_reclaim_cb(struct timer_list *t)
 {
        int i;
-       struct sge *sge = (struct sge *)data;
+       struct sge *sge = from_timer(sge, t, tx_reclaim_timer);
 
        for (i = 0; i < SGE_CMDQ_N; ++i) {
                struct cmdQ *q = &sge->cmdQ[i];
@@ -1978,10 +1978,10 @@ void t1_sge_start(struct sge *sge)
 /*
  * Callback for the T2 ESPI 'stuck packet feature' workaorund
  */
-static void espibug_workaround_t204(unsigned long data)
+static void espibug_workaround_t204(struct timer_list *t)
 {
-       struct adapter *adapter = (struct adapter *)data;
-       struct sge *sge = adapter->sge;
+       struct sge *sge = from_timer(sge, t, espibug_timer);
+       struct adapter *adapter = sge->adapter;
        unsigned int nports = adapter->params.nports;
        u32 seop[MAX_NPORTS];
 
@@ -2021,10 +2021,10 @@ static void espibug_workaround_t204(unsigned long data)
        mod_timer(&sge->espibug_timer, jiffies + sge->espibug_timeout);
 }
 
-static void espibug_workaround(unsigned long data)
+static void espibug_workaround(struct timer_list *t)
 {
-       struct adapter *adapter = (struct adapter *)data;
-       struct sge *sge = adapter->sge;
+       struct sge *sge = from_timer(sge, t, espibug_timer);
+       struct adapter *adapter = sge->adapter;
 
        if (netif_running(adapter->port[0].dev)) {
                struct sk_buff *skb = sge->espibug_skb[0];
@@ -2075,18 +2075,15 @@ struct sge *t1_sge_create(struct adapter *adapter, struct sge_params *p)
                        goto nomem_port;
        }
 
-       setup_timer(&sge->tx_reclaim_timer, sge_tx_reclaim_cb,
-                   (unsigned long)sge);
+       timer_setup(&sge->tx_reclaim_timer, sge_tx_reclaim_cb, 0);
 
        if (is_T2(sge->adapter)) {
-               init_timer(&sge->espibug_timer);
+               timer_setup(&sge->espibug_timer,
+                           adapter->params.nports > 1 ? espibug_workaround_t204 : espibug_workaround,
+                           0);
 
-               if (adapter->params.nports > 1) {
+               if (adapter->params.nports > 1)
                        tx_sched_init(sge);
-                       sge->espibug_timer.function = espibug_workaround_t204;
-               } else
-                       sge->espibug_timer.function = espibug_workaround;
-               sge->espibug_timer.data = (unsigned long)sge->adapter;
 
                sge->espibug_timeout = 1;
                /* for T204, every 10ms */