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>
diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h
index 21f374a..a5356cb 100644
--- a/drivers/infiniband/hw/qib/qib_7220.h
+++ b/drivers/infiniband/hw/qib/qib_7220.h
@@ -97,7 +97,7 @@
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 439d3c5..9dd886c 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -1051,7 +1051,7 @@
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 @@
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 1d58959..abd218d 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -615,8 +615,8 @@
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 @@
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 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 @@
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 @@
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 @@
(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 @@
/* 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 @@
{
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 @@
* 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_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 @@
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 46002a9..91908f5 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.h
+++ b/drivers/infiniband/hw/qib/qib_qsfp.h
@@ -177,7 +177,7 @@
struct qib_pportdata *ppd;
struct work_struct work;
struct qib_qsfp_cache cache;
- u64 t_insert;
+ unsigned long t_insert;
u8 modpresent;
};