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Make sure we don't have any pending softintrs when entering polling mode. 

Thanks to Darrin for finding and fixing this problem when using USB
keyboards in DDB.
This commit is contained in:
augustss 2001-12-30 20:26:59 +00:00
parent 776b0e7851
commit ff21b251a0
1 changed files with 5 additions and 2 deletions
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7
sys/dev/usb/usbdi.c
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@ -1,4 +1,4 @@
/* $NetBSD: usbdi.c,v 1.93 2001/12/24 21:36:15 augustss Exp $ */
/* $NetBSD: usbdi.c,v 1.94 2001/12/30 20:26:59 augustss Exp $ */
/* $FreeBSD: src/sys/dev/usb/usbdi.c,v 1.28 1999/11/17 22:33:49 n_hibma Exp $ */
/*
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.93 2001/12/24 21:36:15 augustss Exp $");
__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.94 2001/12/30 20:26:59 augustss Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1088,6 +1088,9 @@ usbd_set_polling(usbd_device_handle dev, int on)
dev->bus->use_polling++;
else
dev->bus->use_polling--;
/* When polling we need to make sure there is nothing pending to do. */
if (dev->bus->use_polling)
dev->bus->methods->soft_intr(dev->bus);
}