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Merge from NetBSD: revs 1.89 and 1.90.

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Also, add some 'const's to supress warnings. (Submitted back to NetBSD).

The original logs from NetBSD:

	----------------------------
	revision 1.90
	date: 2001/12/03 01:47:12;  author: augustss;  lines: +4 -4
	Handle vendor/product lookup with a common routine.
	----------------------------
	revision 1.89
	date: 2001/12/02 23:25:25;  author: augustss;  lines: +18 -2
	Add a subroutine to search for a vendor/product pair.
	----------------------------
This commit is contained in:
Josef Karthauser 2002-02-11 10:09:29 +00:00
parent fef3edecbb
commit d41fcbf0d0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90526
1 changed files with 16 additions and 0 deletions
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16
sys/dev/usb/usbdi.c
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@ -1094,6 +1094,22 @@ usbd_get_endpoint_descriptor(iface, address)
return (0);
}
/*
* Search for a vendor/product pair in an array. The item size is
* given as an argument.
*/
const struct usb_devno *
usb_match_device(const struct usb_devno *tbl, u_int nentries, u_int sz,
u_int16_t vendor, u_int16_t product)
{
while (nentries-- > 0) {
if (tbl->ud_vendor == vendor && tbl->ud_product == product)
return (tbl);
tbl = (const struct usb_devno *)((const char *)tbl + sz);
}
return (NULL);
}
#if defined(__FreeBSD__)
int
usbd_driver_load(module_t mod, int what, void *arg)