From 8482d5d1bc18c17429a89ad37f8b74d5a16de239 Mon Sep 17 00:00:00 2001 From: Mike Marciniszyn Date: Wed, 9 Nov 2011 13:36:08 -0500 Subject: 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 Signed-off-by: Mike Marciniszyn Signed-off-by: Roland Dreier --- drivers/infiniband/hw/qib/qib_7220.h | 2 +- drivers/infiniband/hw/qib/qib_iba7220.c | 6 +++--- drivers/infiniband/hw/qib/qib_iba7322.c | 32 +++++++++++++++----------------- drivers/infiniband/hw/qib/qib_qsfp.h | 2 +- 4 files changed, 20 insertions(+), 22 deletions(-) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h index 21f374aa0631..a5356cb4252e 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 439d3c503cd5..9dd886cc633a 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 1d5895941e19..abd218d429fe 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 46002a9417c0..91908f533a2b 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; }; -- cgit v1.2.3