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USB: ueagle-atm: use system_wq instead of dedicated workqueues 

With cmwq, there's no reason to use separate workqueues.  Drop
uea_softc->work_q and use system_wq instead.  The used work item is
sync flushed on driver detach.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Tejun Heo 2011-01-03 14:49:42 +01:00 committed by Greg Kroah-Hartman
parent ef58d97a30
commit 9abff15dd6
1 changed files with 5 additions and 14 deletions
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19
drivers/usb/atm/ueagle-atm.c
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@ -168,7 +168,6 @@ struct uea_softc {
union cmv_dsc cmv_dsc;
struct work_struct task;
struct workqueue_struct *work_q;
u16 pageno;
u16 ovl;
@ -1879,7 +1878,7 @@ static int uea_start_reset(struct uea_softc *sc)
/* start loading DSP */
sc->pageno = 0;
sc->ovl = 0;
queue_work(sc->work_q, &sc->task);
schedule_work(&sc->task);
/* wait for modem ready CMV */
ret = wait_cmv_ack(sc);
@ -2091,14 +2090,14 @@ static void uea_schedule_load_page_e1(struct uea_softc *sc,
{
sc->pageno = intr->e1_bSwapPageNo;
sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
queue_work(sc->work_q, &sc->task);
schedule_work(&sc->task);
}
static void uea_schedule_load_page_e4(struct uea_softc *sc,
struct intr_pkt *intr)
{
sc->pageno = intr->e4_bSwapPageNo;
queue_work(sc->work_q, &sc->task);
schedule_work(&sc->task);
}
/*
@ -2170,13 +2169,6 @@ static int uea_boot(struct uea_softc *sc)
init_waitqueue_head(&sc->sync_q);
sc->work_q = create_workqueue("ueagle-dsp");
if (!sc->work_q) {
uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n");
uea_leaves(INS_TO_USBDEV(sc));
return -ENOMEM;
}
if (UEA_CHIP_VERSION(sc) == ADI930)
load_XILINX_firmware(sc);
@ -2225,7 +2217,6 @@ err1:
sc->urb_int = NULL;
kfree(intr);
err0:
destroy_workqueue(sc->work_q);
uea_leaves(INS_TO_USBDEV(sc));
return -ENOMEM;
}
@ -2246,8 +2237,8 @@ static void uea_stop(struct uea_softc *sc)
kfree(sc->urb_int->transfer_buffer);
usb_free_urb(sc->urb_int);
/* stop any pending boot process, when no one can schedule work */
destroy_workqueue(sc->work_q);
/* flush the work item, when no one can schedule it */
flush_work_sync(&sc->task);
if (sc->dsp_firm)
release_firmware(sc->dsp_firm);