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Run pseye_transfer_thread at a higher priority to ensure that we don't

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receive partial frames in our bulk xfer.
This commit is contained in:
jmcneill 2008-09-08 22:28:53 +00:00
parent f2efa49e4e
commit 6ea027b866
1 changed files with 5 additions and 3 deletions
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8
sys/dev/usb/pseye.c
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@ -1,4 +1,4 @@
/* $NetBSD: pseye.c,v 1.3 2008/09/08 22:13:26 jmcneill Exp $ */
/* $NetBSD: pseye.c,v 1.4 2008/09/08 22:28:53 jmcneill Exp $ */
/*-
* Copyright (c) 2008 Jared D. McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pseye.c,v 1.3 2008/09/08 22:13:26 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: pseye.c,v 1.4 2008/09/08 22:28:53 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -51,6 +51,8 @@ __KERNEL_RCSID(0, "$NetBSD: pseye.c,v 1.3 2008/09/08 22:13:26 jmcneill Exp $");
#include <dev/video_if.h>
#define PRI_PSEYE PRI_BIO
/* Bulk-in buffer length */
#define PSEYE_BULKIN_BUFLEN (640 * 480 * 2)
@ -745,7 +747,7 @@ pseye_start_transfer(void *opaque)
mutex_enter(&sc->sc_mtx);
if (sc->sc_running == 0) {
sc->sc_running = 1;
err = kthread_create(PRI_NONE, 0, NULL, pseye_transfer_thread,
err = kthread_create(PRI_PSEYE, 0, NULL, pseye_transfer_thread,
opaque, NULL, device_xname(sc->sc_dev));
} else
aprint_error_dev(sc->sc_dev, "transfer already in progress\n");