IB/qib: Eliminate 64-bit jiffies use

The qib driver makes use of the the 64-bit jiffies API.

Code inspection reveals that that version of the API is not really
required.  This patch converts to use the "normal" jiffies.

Reviewed-by: Ram Vepa <ram.vepa@qlogic.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

4 files changed, 20 insertions, 22 deletions

diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h
index 21f374aa063..a5356cb4252 100644
--- a/drivers/infiniband/hw/qib/qib_7220.h
+++ b/drivers/infiniband/hw/qib/qib_7220.h
@@ -97,7 +97,7 @@ struct qib_chippport_specific {
         u64 iblnkerrsnap;
         u64 ibcctrl; /* kr_ibcctrl shadow */
         u64 ibcddrctrl; /* kr_ibcddrctrl shadow */
-        u64 chase_end;
+        unsigned long chase_end;
         u32 last_delay_mult;
 };
 
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 439d3c503cd..9dd886cc633 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -1051,7 +1051,7 @@ static void reenable_7220_chase(unsigned long opaque)
 static void handle_7220_chase(struct qib_pportdata *ppd, u64 ibcst)
 {
         u8 ibclt;
-        u64 tnow;
+        unsigned long tnow;
 
         ibclt = (u8)SYM_FIELD(ibcst, IBCStatus, LinkTrainingState);
 
@@ -1066,9 +1066,9 @@ static void handle_7220_chase(struct qib_pportdata *ppd, u64 ibcst)
         case IB_7220_LT_STATE_CFGWAITRMT:
         case IB_7220_LT_STATE_TXREVLANES:
         case IB_7220_LT_STATE_CFGENH:
-                tnow = get_jiffies_64();
+                tnow = jiffies;
                 if (ppd->cpspec->chase_end &&
-                    time_after64(tnow, ppd->cpspec->chase_end)) {
+                    time_after(tnow, ppd->cpspec->chase_end)) {
                         ppd->cpspec->chase_end = 0;
                         qib_set_ib_7220_lstate(ppd,
                                 QLOGIC_IB_IBCC_LINKCMD_DOWN,
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 1d5895941e1..abd218d429f 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -615,8 +615,8 @@ struct qib_chippport_specific {
         u64 ibmalfsnap;
         u64 ibcctrl_a; /* krp_ibcctrl_a shadow */
         u64 ibcctrl_b; /* krp_ibcctrl_b shadow */
-        u64 qdr_dfe_time;
-        u64 chase_end;
+        unsigned long qdr_dfe_time;
+        unsigned long chase_end;
         u32 autoneg_tries;
         u32 recovery_init;
         u32 qdr_dfe_on;
@@ -1672,7 +1672,8 @@ static void reenable_chase(unsigned long opaque)
                 QLOGIC_IB_IBCC_LINKINITCMD_POLL);
 }
 
-static void disable_chase(struct qib_pportdata *ppd, u64 tnow, u8 ibclt)
+static void disable_chase(struct qib_pportdata *ppd, unsigned long tnow,
+                u8 ibclt)
 {
         ppd->cpspec->chase_end = 0;
 
@@ -1688,7 +1689,7 @@ static void disable_chase(struct qib_pportdata *ppd, u64 tnow, u8 ibclt)
 static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
 {
         u8 ibclt;
-        u64 tnow;
+        unsigned long tnow;
 
         ibclt = (u8)SYM_FIELD(ibcst, IBCStatusA_0, LinkTrainingState);
 
@@ -1703,9 +1704,9 @@ static void handle_serdes_issues(struct qib_pportdata *ppd, u64 ibcst)
         case IB_7322_LT_STATE_CFGWAITRMT:
         case IB_7322_LT_STATE_TXREVLANES:
         case IB_7322_LT_STATE_CFGENH:
-                tnow = get_jiffies_64();
+                tnow = jiffies;
                 if (ppd->cpspec->chase_end &&
-                     time_after64(tnow, ppd->cpspec->chase_end))
+                     time_after(tnow, ppd->cpspec->chase_end))
                         disable_chase(ppd, tnow, ibclt);
                 else if (!ppd->cpspec->chase_end)
                         ppd->cpspec->chase_end = tnow + QIB_CHASE_TIME;
@@ -2714,7 +2715,7 @@ static noinline void unknown_7322_gpio_intr(struct qib_devdata *dd)
                         pins >>= SYM_LSB(EXTStatus, GPIOIn);
                         if (!(pins & mask)) {
                                 ++handled;
-                                qd->t_insert = get_jiffies_64();
+                                qd->t_insert = jiffies;
                                 queue_work(ib_wq, &qd->work);
                         }
                 }
@@ -4794,7 +4795,7 @@ static void qib_get_7322_faststats(unsigned long opaque)
                     (ppd->lflags & (QIBL_LINKINIT | QIBL_LINKARMED |
                                     QIBL_LINKACTIVE)) &&
                     ppd->cpspec->qdr_dfe_time &&
-                    time_after64(get_jiffies_64(), ppd->cpspec->qdr_dfe_time)) {
+                    time_is_before_jiffies(ppd->cpspec->qdr_dfe_time)) {
                         ppd->cpspec->qdr_dfe_on = 0;
 
                         qib_write_kreg_port(ppd, krp_static_adapt_dis(2),
@@ -5240,7 +5241,7 @@ static int qib_7322_ib_updown(struct qib_pportdata *ppd, int ibup, u64 ibcs)
                         /* schedule the qsfp refresh which should turn the link
                            off */
                         if (ppd->dd->flags & QIB_HAS_QSFP) {
-                                qd->t_insert = get_jiffies_64();
+                                qd->t_insert = jiffies;
                                 queue_work(ib_wq, &qd->work);
                         }
                         spin_lock_irqsave(&ppd->sdma_lock, flags);
@@ -5592,7 +5593,7 @@ static void qsfp_7322_event(struct work_struct *work)
 {
         struct qib_qsfp_data *qd;
         struct qib_pportdata *ppd;
-        u64 pwrup;
+        unsigned long pwrup;
         unsigned long flags;
         int ret;
         u32 le2;
@@ -5620,8 +5621,7 @@ static void qsfp_7322_event(struct work_struct *work)
                  * to insertion.
                  */
                 while (1) {
-                        u64 now = get_jiffies_64();
-                        if (time_after64(now, pwrup))
+                        if (time_is_before_jiffies(pwrup))
                                 break;
                         msleep(20);
                 }
@@ -7506,7 +7506,7 @@ static int serdes_7322_init_old(struct qib_pportdata *ppd)
 
 static int serdes_7322_init_new(struct qib_pportdata *ppd)
 {
-        u64 tstart;
+        unsigned long tend;
         u32 le_val, rxcaldone;
         int chan, chan_done = (1 << SERDES_CHANS) - 1;
 
@@ -7611,10 +7611,8 @@ static int serdes_7322_init_new(struct qib_pportdata *ppd)
         msleep(20);
         /*       Start Calibration */
         ibsd_wr_allchans(ppd, 4, (1 << 10), BMASK(10, 10));
-        tstart = get_jiffies_64();
-        while (chan_done &&
-               !time_after64(get_jiffies_64(),
-                        tstart + msecs_to_jiffies(500))) {
+        tend = jiffies + msecs_to_jiffies(500);
+        while (chan_done && !time_is_before_jiffies(tend)) {
                 msleep(20);
                 for (chan = 0; chan < SERDES_CHANS; ++chan) {
                         rxcaldone = ahb_mod(ppd->dd, IBSD(ppd->hw_pidx),
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.h b/drivers/infiniband/hw/qib/qib_qsfp.h
index 46002a9417c..91908f533a2 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.h
+++ b/drivers/infiniband/hw/qib/qib_qsfp.h
@@ -177,7 +177,7 @@ struct qib_qsfp_data {
         struct qib_pportdata *ppd;
         struct work_struct work;
         struct qib_qsfp_cache cache;
-        u64 t_insert;
+        unsigned long t_insert;
         u8 modpresent;
 };